What was found
AIRCRAFT GROUNDED. FIRST CLASS CEILING EMERGENCY EXIT LIGHTS AT ROWS 3 THROUGH 6 STAY ON AFTER POWER DOWN SWITCH WAS IN OFF POSITION. REMOVED AND REPLACED BATTERY ASSEMBLY B5-100 IAW AMM 33-53-00. OPERATIONAL CHECK GOOD.
- Difficulty date
- December 2, 2016
- Submitted
- December 6, 2016
- Operation
- Air carrier
- Aircraft
- N9621A
- Make and model
- Doug DC983
- Aircraft serial
- 53592
- Aircraft time
- 51,812 hours, 25,230 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part serial
- 15273
- Condition
- Discharged
- Location
- Cabin
- Part time
- 22,671 hours, 12,381 cycles
- Stage of operation
- UK
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.