What was found
AIRCRAFT WAS GROUNDED. R3 DOOR EMERGENCY POWER SUPPLY UNIT M33404 FAILED TEST. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY ASSEMBLY LOCATED ABOVE DOOR R3 (M33404) IAW AMM 33-51-06.
- Difficulty date
- July 28, 2020
- Submitted
- July 31, 2020
- Operation
- Air carrier
- Aircraft
- N782AN
- Make and model
- Boeing 777223
- Aircraft serial
- 30003
- Aircraft time
- 81,251 hours, 9,803 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D71702001
- Condition
- Inoperative
- Location
- Emergency Lights
- 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.