What was found
DR 4R M33408 EMER LIGHT POWER SUPPLY TEST FAIL TRANSFER REF. NON-ROUTINE HX NRC WO.4095953 DR 4R M33404 EMER LIGHT POWER SUPPLY REPLACED AND TESTED NORMAL IAW AMM 33-51-06
- Difficulty date
- December 2, 2024
- Submitted
- December 2, 2024
- Operation
- Air carrier
- Aircraft
- N780UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26944
- Aircraft time
- 101,365 hours, 18,343 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D71702001
- Condition
- No Test
- 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.