What was found
RT FWD EXTERNAL EMERGENCY LIGHT INOPERATIVE. DID NOT WORK WITH BATTERY PWR BUT DID WORK WITH GPU. REPLACED BATTERY PACK AT EMERGENCY PWR SUPPLY NR 43WL IAW ATR 72 MM 33-51-21. OPS CHECK OK.
- Difficulty date
- December 7, 2009
- Submitted
- December 9, 2009
- Operation
- Air carrier
- Aircraft
- N540AM
- Make and model
- Aerosp ATR72212A
- Aircraft serial
- 540
- Aircraft time
- 19,815 hours, 22,462 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 3013017
- Part serial
- 3843
- Condition
- Failed
- Location
- Emergency Lights
- Stage of operation
- TX
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.