What was found
ON PREFLIGHT LEVEL 1 EMER LTS BAT 1LO WHILE TESTING THE EMERGENCY LIGHTS. R&R THE EMERGENCY LIGHTING BATTERY POWER SUPPLY AND DID OPERATIONAL TEST THE BATTERY PACK, TEST PASSED PER AMM 33-51-01-4.
- Difficulty date
- January 3, 2022
- Submitted
- April 1, 2022
- Operation
- Air carrier
- Aircraft
- N594FE
- Make and model
- Doug MD11
- Aircraft serial
- 48552
- Aircraft time
- 90,001 hours, 18,931 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- None
- Part number
- 6044115
- Part serial
- 0636
- Condition
- Failed
- Location
- N/A
- Part time
- 26,672 hours, 7,719 cycles
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- J, O
- Precautionary procedure
- H
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.