Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
June 24, 2022
Submitted
June 28, 2022
Operation
Air carrier
Aircraft
N948WN
Make and model
Boeing 7377H4
Aircraft serial
36662
Aircraft time
39,248 hours, 23,793 cycles
Part
Battery Pack
Condition
Failed
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 LIGHT BATTERY PACK AT 17A FAILED CAPACITY TEST / [01] FOUND BATTERY PACK DISLODGED; MOUNT HARDWARE LOOSE. SECURED HARDWARE AND PACK. CAPACITY CHECKS GOOD PER AMM 33-51-00

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