Service difficulty report · Battery Pack · Boeing 73776N

Difficulty date
September 24, 2021
Submitted
April 27, 2022
Operation
Air carrier
Aircraft
N7822A
Make and model
Boeing 73776N
Aircraft serial
32596
Aircraft time
59,949 hours, 29,584 cycles
Part
Battery Pack
Condition
Inoperative
Location
Cabin
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

RIGHT OVERDOOR EXIT SIGN DOES NOT ILLUMINATE; OTHER LIGHTS RELATED TO M1675 BATT PACK OPERATE CORRECTLY. ; / [01] FOUND 7822 CAME IN WITH D40042J CONNECTOR PART NUMBER BACC65AK221P SHOULD BE BACC65AK211P PER WDM EQUIPMENT LIST. CONNECTOR DID NOT MATE PROPERLY WITH THE PLUG-SIDE CONNECTOR AND THUS WOULD HAVE ONLY WORKED INTERMITTENTLY. REMOVED AND REPLACED D40042J INSTALLING CORRECT PN CONNECTOR PER WDM 33-1-12 AND SWPM 20-72-24. PERFORMED A GOOD OPS CHECK OF L1063 PER AMM 33-51-00-710-801; [02] VERIFIED CORRECTIVE ACTION 1. CHECKS GOOD.

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