What was found
AIRCRAFT WAS NOT GROUNDED: DURING EMERGENCY LIGHT TEST PER PS CK FOUND POWER SUPPLY M33424 AT 1L OVERDOOR PANEL FAULTY. MAINTENANCE REPLACED POWER SUPPLY M33424 AT 1L OVERDOOR PANEL IAW AMM 33-51-06.
- Difficulty date
- July 9, 2026
- Submitted
- July 10, 2026
- Operation
- Air carrier
- Aircraft
- N732AN
- Make and model
- Boeing 777323ER
- Aircraft serial
- 31549
- Aircraft time
- 47,200 hours, 5,522 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Condition
- Faulted
- 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.