What was found
EMERGENCY LIGHT POWER PACK (M7927) FOUND TEST FAILED.EMERGENCY LIGHT POWER PACK (M7927) REPLACED AND OPERATIONAL TEST RESULT NORMAL AS PER AMM 33-51-04.
- Difficulty date
- April 1, 2021
- Submitted
- April 1, 2021
- Operation
- Air carrier
- Aircraft
- N480MC
- Make and model
- Boeing 747422
- Aircraft serial
- 28812
- Aircraft time
- 77,180 hours, 8,804 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- AD20131A
- Part serial
- 148927
- 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.