What was found
AIRCRAFT IN BASE MAINTENANCE, EPSU (EMERGENCY POWER SUPPLY UNIT) 13WL, PAX CABIN, DID NOT TEST. REMOVED AND REPLACED EPSU 13WL PER AMM TASK 33-51-38-400-001-A. PERFORMED SATISFACTORY OPERATIONAL CHECK PER AMM TASK 33-51-00-710-001-A.
- Difficulty date
- June 23, 2020
- Submitted
- June 25, 2020
- Operation
- Air carrier
- Aircraft
- N119NN
- Make and model
- Airbus A321231
- Aircraft serial
- 6222
- Aircraft time
- 19,963 hours, 5,636 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32146210
- Part serial
- 146110
- Condition
- Defective
- Location
- Cabin
- Part time
- 21,101 hours, 8,152 cycles
- 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.