What was found
EMERGENCY LIGHT POWER SUPPLY UNIT M33409 FAILED TO TEST. REPLACED THE POWER SUPPLY IAW AMM 33-51-06-960-803.
- Difficulty date
- May 31, 2018
- Submitted
- June 4, 2018
- Operation
- Air carrier
- Aircraft
- N770AN
- Make and model
- Boeing 777223
- Aircraft serial
- 29578
- Aircraft time
- 76,695 hours, 9,626 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D71702001
- Part serial
- 18320
- 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.