What was found
AIRCRAFT WAS GROUNDED: DURING IN FLIGHT APU START BATTERY SWITCH -OFF- LIGHT ILLUMINATED AND STAYED ILLUMINATED. DECESION MADE TO RETURN TO DFW. MAINTENANCE (REF TSI 0144388) REPLACED ELECTRICAL CONTROL PANEL IAW AMM 24-22-01.
- Difficulty date
- July 13, 2026
- Submitted
- July 15, 2026
- Operation
- Air carrier
- Aircraft
- N835AN
- Make and model
- Boeing 7879
- Aircraft serial
- 40655
- Aircraft time
- 31,263 hours, 3,782 cycles
- System (JASC)
- 2420 · AC Generation System
- Part
- Control Panel
- Part number
- 410100002
- Condition
- Faulted
- Location
- Zone 200
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.