What was found
AIRCRAFT IN BASE MAINTENANCE: EMERGENCY LIGHT POWER SUPPLY M33408 FAILS OPERATIONAL CHECK. REPLACED POWER SUPPLY PER AMM 33-51-06-960-803.
- Difficulty date
- June 7, 2022
- Submitted
- June 9, 2022
- Operation
- Air carrier
- Aircraft
- N794AN
- Make and model
- Boeing 777223
- Aircraft serial
- 30256
- Aircraft time
- 81,949 hours, 10,659 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D71702001
- Condition
- Failed
- 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.