What was found
RT AFT NACELLE LIGHT DOES NOT ILLUMINATE WITH EMERGENCY LIGHT SWITCH. FOUND DURING SERVICE CHECK. MX REPLACED THE EMERGENCY POWER SUPPLY IAW MM33-53-00. ACFT RETURNED TO SERVICE.
- Difficulty date
- November 25, 2010
- Submitted
- November 29, 2010
- Operation
- Air carrier
- Aircraft
- N231US
- Make and model
- Doug DC931
- Aircraft serial
- 48114
- Aircraft time
- 61,762 hours, 64,877 cycles
- Engine
- Pwa JT8D9A
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 604777
- Part serial
- 1215
- Condition
- Discharged
- Location
- Emergency Lights
- 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.