Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
May 10, 2024
Submitted
June 12, 2024
Operation
Air carrier
Aircraft
N479WN
Make and model
Boeing 7377H4
Aircraft serial
33990
Aircraft time
65,876 hours, 39,680 cycles
Part
Battery Pack
Part number
UNKNOWN
Condition
Discharged
Location
Emergency Lights
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

DISCHARGED BATTERY PACK EMERGENCY LIGHT BTW STA 597 TO STA 616 RH SIDE AT PASSENGER CABIN (1 EA). REPLACED BATTERY PACK EMERGENCY LIGHT BTW STA 597 TO STA 616 RH SIDE AT PASSENGER CABIN (1 EA) IAW AMM 33-51-06-960-805, AMM 33-51-06-960-805. PERFORMED BATTERY PACK TEST. TESTED OK.

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