What was found
AIRCRAFT IN BASE MAINTENANCE - EMERGENCY LIGHT POWER SUPPLY M33094 INOPERATIVE. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT (EPSU) ASSEMBLY, M33094, PER AMM 33-51-06, OPERATIONAL TEST GOOD.
- Difficulty date
- April 15, 2020
- Submitted
- April 29, 2020
- Operation
- Air carrier
- Aircraft
- N754AN
- Make and model
- Boeing 777223
- Aircraft serial
- 30262
- Aircraft time
- 73,436 hours, 9,336 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D71702001
- Part serial
- 12791
- Condition
- Inoperative
- Location
- Cabin
- 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.