Service difficulty report · Battery Pack · Boeing 7377BD

Difficulty date
October 16, 2023
Submitted
October 19, 2023
Operation
Air carrier
Aircraft
N7720F
Make and model
Boeing 7377BD
Aircraft serial
33922
Aircraft time
57,303 hours, 30,551 cycles
Part
Battery Pack
Part number
UNKNOWN
Condition
Failed
Location
Zn 200 Fus Top
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

DO NOT WORK CORRECTLY EMERGENCY LIGHT 2023-610156<[01] PERFORMED CHARGE BATTERY PACKS IAW B737-700 AMM 33-51-06-610-802 AND PERFORMED OPERATIONAL TEST IAW B737-700 AMM 33-51-00-710-801. TEST IS OK;[02] CERTIFIED STEP 1 COMPLETED <BR>TEST OK

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