Service difficulty report · Battery Pack · Boeing 7572T7

Difficulty date
September 18, 2019
Submitted
September 19, 2019
Operation
Air carrier
Aircraft
N935FD
Make and model
Boeing 7572T7
Aircraft serial
22780
Aircraft time
92,290 hours, 36,216 cycles
Part
Battery Pack
Part number
20131A
Part serial
66775
Condition
Discharged
Location
Cabin
Part time
1,943 hours, 1,375 cycles
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

MDIS 935 33-50 8397 18SEP19 ABE FACT U L1 DOOR EMERGENCY EXIT LIGHT INOP ON POST FLIGHT CHECK. FACT 18SEP19 15:33 ABE REMOVED AND REPLACED #1 EMERGENCY LIGHT BATTERY PACK. REF AMM 33-51-07-2. OPS CHECK GOOD. NEW BATTERY PACK MPN -2013-1ASMI, S/N 4286 OLD BATTERY PACK MPN - 2013-1A, S/N 66775.

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