What was found
R1 EMERGENCY LIGHT DOESN'T STAY ON FOR THE COMPLETE LIGHT TEST. L1 LIGHT NORMAL. AMM 33-51-07-2 REMOVED POWER SUPPLY BATTERY PACK, HAS POWER AT POWER SUPPLY, REPLACED BATTERY PACK, OPS NORMAL. OK TO CONTINUE.
- Difficulty date
- June 27, 2026
- Submitted
- June 29, 2026
- Operation
- Air carrier
- Aircraft
- N930FD
- Make and model
- Boeing 7572Y0
- Aircraft serial
- 25240
- Aircraft time
- 68,703 hours, 26,339 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 20131A
- Part serial
- 27864
- Condition
- Failed
- 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.