What was found
EMER POWER SUPPLY M33407 FAIL CAPACITY CHECK EMER POWER SUPPLY. M33407 POWER SUPPLY ASSY REPLACED AND INSTALLATION TEST CARRIED OUT NORMAL AS PER AMM 33-51-06.
- Difficulty date
- October 30, 2018
- Submitted
- November 3, 2018
- Operation
- Air carrier
- Aircraft
- N774UA
- Make and model
- Boeing 777222
- Aircraft serial
- 26936
- Aircraft time
- 89,773 hours, 16,190 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D71702100
- Condition
- Inoperative
- Location
- L4 Door
- 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.