What was found
AIRCRAFT IN BASE MAINTENANCE: EMERGENCY LIGHTING BATTERY PACK POWER SUPPLY M1674 FAILS OPERATIONAL TEST. REPLACED POWER SUPPLY.
- Difficulty date
- December 18, 2022
- Submitted
- December 21, 2022
- Operation
- Air carrier
- Aircraft
- N933NN
- Make and model
- Boeing 7378
- Aircraft serial
- 31173
- Aircraft time
- 27,954 hours, 11,790 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- D71702001
- Condition
- Inoperative
- Location
- Zone 200 - Fuse
- 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.