What was found
ON FIRST FLIGHT OF THE DAY, CABIN EMER LIGHTS WILL NOT TEST IN ARM PRIOR TO APU START. STARTED THE APU AND ALLOWED AT LEAST 10MIN TO CHARGE. AFTER A FULL SHUT DOWN , CABIN EMER LIGHTS WILL WORK IN ARM AGAIN.
- Difficulty date
- December 26, 2025
- Submitted
- December 29, 2025
- Operation
- Air carrier
- Aircraft
- N957QS
- Make and model
- Cessna 680A
- Aircraft serial
- 680A0405
- Aircraft time
- 1,535 hours, 1,015 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- Discharged
- 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.