What was found
UPPER DECK CEILING LIGHT ASSY INOPERATIVE. REPLACED THE LIGHT ASSY AND OPS CHECKED IAW AMM 33-28-05, FOUND ABNORMAL. REPLACED THE CEILING BATTERY ASSY AND OPS CHECKED IAW AMM 33-51-04 FOUND NORMAL.
- Difficulty date
- April 1, 2026
- Submitted
- April 1, 2026
- Operation
- Air carrier
- Aircraft
- N702CA
- Make and model
- Boeing 747412
- Aircraft serial
- 27217
- Aircraft time
- 95,599 hours, 14,889 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- BPS73
- Part serial
- 50867
- Condition
- Inoperative
- 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.