Service difficulty report · Battery Pack · Boeing 73779P

Difficulty date
July 29, 2023
Submitted
July 31, 2023
Operation
Air carrier
Aircraft
N7820L
Make and model
Boeing 73779P
Aircraft serial
28253
Aircraft time
58,531 hours, 37,703 cycles
Part
Battery Pack
Part number
UNKNOWN
Condition
Inoperative
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

FWD ENTRY DOOR AND SERVICE DOOR EXIT EMERGENCY LIGHTS INOP<[01] R/R THE BATTERY PACKS IAW AMM 33-51-06 . OPS CHECK GOOD.

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