Service difficulty report · Battery Pack · Boeing 7377H4

Difficulty date
November 7, 2020
Submitted
November 16, 2020
Operation
Air carrier
Aircraft
N727SW
Make and model
Boeing 7377H4
Aircraft serial
27859
Aircraft time
73,855 hours, 43,794 cycles
Part
Battery Pack
Condition
No Test
Location
Emergency Lights
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

DURING EMERGENCY LIGHTING TEST L1067, L730,ND L1065 ARE INOPERABLE AT STA 429. REPLACED AND PERFORMED GOOD TEST OF BATTERY PACK M1674, PER AMM 33-51-06-960-805.

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