What was found
**SUPPLEMENTAL SDR** FAULT - FOUND EMERGENCY LIGHT DID NOT STAY ON FOR 15 MINUTES (REPLACE). I.A.W AMM 33-51-07-022-001, 33-51-07-422-012 REV. 147 REPLACED THE BATTERY PACK, AND CONDITION CHECK NORMAL. REVIEW COMPLETE
- Difficulty date
- March 2, 2026
- Submitted
- March 17, 2026
- Operation
- Air carrier
- Aircraft
- N348UP
- Make and model
- Boeing 76734AF
- Aircraft serial
- 37872
- Aircraft time
- 32,538 hours, 12,153 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 20131A
- Part serial
- 44854
- Condition
- Inoperative
- Location
- Zone 200
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.