Service difficulty report · Battery Pack · Boeing 7377Q8

Difficulty date
April 13, 2022
Submitted
April 18, 2022
Operation
Air carrier
Aircraft
N7877H
Make and model
Boeing 7377Q8
Aircraft serial
29359
Aircraft time
50,381 hours, 27,028 cycles
Part
Battery Pack
Condition
Faulty
Location
Aft Cabin
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

EMERGENCY EXIT LIGHTS AT AFT 2 LT OVHD BINS AND AFT LAV WALL COME ON THEN GO OUT. / [01] REMOVED; REPLACED AND PERFORMED GOOD OPS TEST OF M1673 BATTERY PACK PER AMM 33-51-06-960-805.;[02] VERIFIED CORRECTIVE ACTION 1.

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