\
americanairiines
esn:695587
apu
&
engine
preservation
and
storage
this form must be attached to any serviceable spare engine or apu. this form provides instructions to maintain preservation
requirements on engines and apu’s. refer to gpm 08.03 for policies regarding engine and apu preservation. references for
specific engine and apu preservation procedures can also be found in the amm tasks, em tasks, cmm tasks, and/or job card
procedures.
engine
install desiccant in completed qec or bare engines orapu’s priorto shipping. complete
the preservation blocks listed below on this form once the engine or apu is ready to
ship. if the engine or apu was not preserved by the repair facility or during removal
from an aircraft ensure the removal date is noted and the preservation expiration date
is calculated from the table 1 of this form for tracking purposes. repetitively check
preservation monthly (per gpm 08.03 requirements) on the serviceable spare engines
and apu’s stored on property of an american airlines engine shop facility. see note 8.
shop
line and heaw
maintenance
complete monthly (per gpm 08.03 requirements) rechecks of each spare serviceable
engine or apu using this form.
upon installation of a spare engine or apu on an aircraft complete the “date of
installation” line on this form and forward the form with the engine/apu serviceable
papen/vorkto records.
upon removal of a serviceable engine orapu (time continued/rob) complete the “date
of removal” line on this form and complete the preservation blocks below. place this
form with the engine/apu serviceable paperwork and follow gpm 08.03 guidance
regarding a time continued engine or apu. verify whether or not the engine or apu
removal.
was preserved on-wing prior to removal or off-wi'ng'aft‘er
retain this completed form with the engine/apu records package for the engine orapu
which was just installed.
records
engine/apu
type
cf6-80c2 b6
engine/apu
sin
695587
preservation
accomplished
date of preservation
(n/a if not preserved)
190012018
,
yes
e] no
accomplished by
(vendor, aa, or n/a)
(check one)
verified by (sign, date, and
employee # or stamp)
preservation
expiration date“)
19oct2019
note (1): the preservation expiration date is determined from the chart on this form. any deviations or extensions must be
approved by powerplant/apu engineering.
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r8 08/18
\
americanairlines
esn:695587
engine
&
apu
preservation
and
storage
date of engine/apu
removal from an
date of engine/apu
installation on an a/c
note (2): this block should only be completed for time continued/robbed engines orapu’s. n/a block if the engine or apu was
preserved at the shop visit.
table 1
max days
max days
m
preservation
preservation
preserved
jt8d~200
28
90
no limit
26
cfm56-5bl-7b
30
30
365
cf6-8002
3o
30
365
rb211-535
30
90
trent 772
trent 892
30
max
engine type
pounds of
desrccant
lnlet(3>
pounds of
desiccant
exhaust<3l
pounds of
desicc-ant
core
26
n/a
20
10
n/a
60
27
n/a
730
90
90
90
90
730
100
100
100
30
90
730
100
100
100
30
365
20
20
20
45
730
10
10
10
35
15
35
n/a
pw4168a
30
cf34-10e
45
v2500
180
180 (4)
730
genx-1 b
30
30
730
35
15
ge90-115b
90
30
730
25
11
n/a
70
35
n/a
70
<5)
35
<5)
n/a
leap-1a
3o
30
365
leap-1 b
30
30
365
apu’s
n/a
n/a
730
n/a
note (3): these are minimum amounts of desiccant.
note (4): the engine oil tank must be fully drained.
note (5): 131-9b model apu requires 2 pounds of desiccant in the inlet and 2 pounds in the exhaust area. the aps5000 and
131-9aapu‘s require 4 pounds located in the shipping container. the other apu models (36-300a, ap82300, 3315008, 331-200er, 331—3500,85-98dhf, and 36-2800) do not require desiccant to be installed.
note (6): apu’s which are stored inside a warehouse location and in a sealed container do not have to be unboxed for the
monthly rechecks unless damage or deterioration is noted to the box, no action required for monthly health checks.
note (7): monthly checks of engines (and unboxed apu’s) should be completed in accordance with the guidance of gpm
08.033. and documented in table 3 of this form.
note (8): engines and apu’s made serviceable and left in a controlled environment, do not need to have the monthly desiccant
check log performed until the day the engine or apu is distributed to the field, per gpm 08.033.
note (9): complete table 2 when engine/apu is serviceable and is leaving the controlled environment as an operational spare
for the field.
note (10): controlled environment is defined as the following locations; inside pp overhaul buildings, designated air conditioned line mtx storage locations inside a controlled access room. hangar storage locations are not considered a
controlled environment.
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americanairiines
esn:695537
engine
&
apu
preservation
and
\
storage
table 2
engine
date desiccant installed
23oct2018
shop initial
desiccant
installation
amount of desiccant installed
log
checked
87lbs
(sign or stamp)
\l/
table 3
storage
date
checked
3/3
checked by
(sign or stamp)
location
monthly
desiccant
'(yes or no)
desiccant
date
checked
check
log
‘6’")
checked by
(sign or stamp)
desiccant replaced
(yes or no)
me-0051
r8 08/18