Service difficulty report · Battery Pack · Boeing 767332

Difficulty date
November 8, 2025
Submitted
November 12, 2025
Operation
Air carrier
Aircraft
N171DZ
Make and model
Boeing 767332
Aircraft serial
29690
Aircraft time
104,133 hours, 21,988 cycles
Part
Battery Pack
Condition
Inoperative
Location
Zone 200
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

UNDER SEAT EMERGENCY LIGHTS INOP BETWEEN 34FG-43FG. FOUND M9009 POWER SUPPLY @ FAULT. R & R BATTERY M9009 + POWER SUPPLY PER WDM 33-51-31 + AMM 33-51. LIGHTS OPS CHK GOOD. (7673354)