Service difficulty report · Battery Pack · Boeing 7377Q8

Difficulty date
March 5, 2024
Submitted
March 12, 2024
Operation
Air carrier
Aircraft
N7873A
Make and model
Boeing 7377Q8
Aircraft serial
29350
Aircraft time
54,831 hours, 30,421 cycles
Part
Battery Pack
Part number
UNKNOWN
Condition
Inoperative
Location
Exterior 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

L2 DOOR EXTERIOR EMERGENCY LIGHT DOESN'T ILLUMINATE.<[01] REMOVED AND REPLACED BATTERY PACK (M1672). OPERATIONAL TEST PASSED PER REF AMM 33-51-06-960-805.PERFORMED EMERGENCY LIGHTS OPERATIONAL TEST AS PER B737 AMM 33-51-00-710-801. TEST PASSED.;[02] CERTIFIED WORK STEPS ACCOMPLISHED.

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