What was found
AIRCRAFT NOT GROUNDED: MAINTENANCE REPORTS EPSU 10WL FAIL MESSAGE ON TEST. REMOVED AND REPLACED EMERGENCY POWER SUPPLY UNIT AND BATTERY IAW AMM 33-51-38. OPS CHECK GOOD. (SEE SDR # AALA201910249007)
- Difficulty date
- October 22, 2019
- Submitted
- October 24, 2019
- Operation
- Air carrier
- Aircraft
- N157AA
- Make and model
- Airbus A321231
- Aircraft serial
- 6998
- Aircraft time
- 11,633 hours, 4,438 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 321431
- Part serial
- 843744
- Condition
- No Test
- 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.