What was found
5X EMERGENCY LIGHTS ON UPPER DECK CEILING INOP UPPER DECK BATTERY ASSY REPLACED IAW AMM 33-51-04-201 REV 107.00. OPS TEST SATIS
- Difficulty date
- April 15, 2023
- Submitted
- April 17, 2023
- Operation
- Air carrier
- Aircraft
- N577UP
- Make and model
- Boeing 74744AF
- Aircraft serial
- 35666
- Aircraft time
- 53,392 hours, 8,219 cycles
- System (JASC)
- 3300 · Lighting System
- Part
- Light
- Part number
- 20131A
- Part serial
- 103614
- Condition
- Inoperative
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.