What was found
DCA - THE EMERGENCY POWER SUPPLY UNIT AT THE MID LEFT POSITION FAILED THE SYSTEM TEST. MAINTENANCE REPLACED THE MID LEFT EMERGENCY POWER SUPPLY UNIT. OPERATIONALLY TESTED OK.
- Difficulty date
- October 20, 2005
- Submitted
- October 24, 2005
- Operation
- Air carrier
- Aircraft
- N172US
- Make and model
- Airbus A321211
- Aircraft serial
- 1472
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Epsu
- Part number
- 32145510
- Condition
- Faulty
- Location
- Emergency Light
- Part time
- 16,169 hours
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.