Service difficulty report · Battery Pack · Boeing 7374B7

Difficulty date
March 27, 2024
Submitted
March 27, 2024
Operation
Air carrier
Aircraft
N458UW
Make and model
Boeing 7374B7
Aircraft serial
25022
Aircraft time
56,179 hours, 40,630 cycles
Part
Battery Pack
Part number
20131ASM1
Part serial
11728
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

EMERGENCY LIGHT INOP AT STA 639L BULLNOSE. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK M1136 AT STA. 753L IAW B737-400 AMM 33-51-51. TEST OK.

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