Service difficulty report · Battery Pack · Boeing 73776N

Difficulty date
March 28, 2024
Submitted
April 4, 2024
Operation
Air carrier
Aircraft
N7731A
Make and model
Boeing 73776N
Aircraft serial
32677
Aircraft time
55,832 hours, 28,606 cycles
Part
Battery Pack
Part number
UNKNOWN
Condition
Inoperative
Location
Emergency Lights
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

ALL EMERGENCY LIGHTS ASSOCIATED WITH EMERGENCY LIGHT BATTERY PACK M1668 INOP<[01] UPDATED PART REQUIREMENTS BLOCK;[02] REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK (M1668) AND ALL 4 FUSES AND PERFORMED A GOOD TEST IAW AMM 33-51-06-960-805 AND AMM 33-51-06-960-804.;[03] CERTIFY ALL WORK AND GOOD OP TEST PERFORMED AS PER AMM 33-51-06-960-805 AND AMM 33-51-06-960-804.;[04] VERIFIED CORRECTIVE ACTION 2 AND 3

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