What was found
EMERGENCY POWER SUPPLY UNIT FAULT DURING EMERGENCY EXIT LIGHT TEST. R & R ESPU IAW MM 33-51-38-401. A BAD FUSE DETERMINTED TO BE ROOT CAUSE OF FAILURE.
- Difficulty date
- June 6, 2013
- Submitted
- August 15, 2013
- Operation
- Air carrier
- Aircraft
- N193UW
- Make and model
- Airbus A321211
- Aircraft serial
- 3584
- Aircraft time
- 16,733 hours, 6,107 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Fuse
- Part number
- 77943573
- Part serial
- 044275
- Condition
- Inoperative
- Location
- Emergency Light
- Stage of operation
- NR
- 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.