What was found
AIRCRAFT WAS GROUNDED. R3 DOOR EMERGENCY POWER SUPPLY UNIT M33401 FAILED TO TEST. REPLACED EMERGENCY LIGHT POWER SUPPLY ASSEMBLY LOCATED AT DOOR 3R IAW 33-51-06.
- Difficulty date
- July 28, 2020
- Submitted
- July 30, 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
- Part serial
- 53991
- Condition
- No Test
- 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.