Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
August 4, 2023
Submitted
August 23, 2023
Operation
Air carrier
Aircraft
N413WN
Make and model
Boeing 7377H4
Aircraft serial
29819
Aircraft time
72,820 hours, 42,792 cycles
Part
Battery Pack
Part number
UNKNOWN
Condition
Unknown
Location
Zn 200 Fus Top
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

REMOVE AND REPLACE EMERGENCY EXIT LIGHT BATTERIES PRIOR TO AIRCRAFT DEPARTURE<[01] DOCUMENTATION OF INSTALLED PARTS;[02] ALL STEPS COMPLETE;[03] VERIFIED ALL PARTIAL STEPS COMPLETE; CARD COMPLETE; EXCEPT AMT MISSING FINAL ?SUMMARY OF WORK ACCOMPLISHED? PER MPM. ALSO; AMT FAILED TO ADD A 'SELECTED REFERENCE' FIELD.;[04] REMOVED AND REPLACED EMERGENCY EXIT BATTERY PACKS AND PERFORMED GOOD TEST PER AMM 33-51-00-710-801;[05] CARD COMPLETE

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