Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
February 20, 2024
Submitted
February 23, 2024
Operation
Air carrier
Aircraft
N424WN
Make and model
Boeing 7377H4
Aircraft serial
29828
Aircraft time
71,917 hours, 42,688 cycles
Part
Battery Pack
Part number
UNKNOWN
Condition
Inoperative
Location
Emergency Light
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

#2 & #3 RH BINS LIGHTS ARE INOP.<[01] REPLACED EMERGENCY LIGHTS ON RH BINS #2 & #3; BOTH STILL INOPERATIVE PER AMM 33-51-03-960-801;[02] VERIFIED;[03] VERIFIED CORRECTIVE ACTION 1;[04] EMERGENCY LIGHT BATTERY PACK M1674 WAS REMOVED AND REPLACED PER AMM 33-51-06-960-805 ON FAULT TTG8Q00RNQ81. PERFORMED SATISFACTORY OPERATIONAL TEST OF EMERGENCY LIGHT BATTERY PACK M1674 PER AMM 33-51-06-960-805. <BR><BR>#2 AND #3 RH BIN LIGHTS ARE NOW OPERATIONAL.;[05] VERIFIED CORRECTIVE ACTION ENTRY 4. COMPLETED THROUGH STEPS 1-2

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