What was found
AIRCRAFT NOT GROUNDED - CIDS (CABIN INTERCOMMUNICATION DATA SYSTEM) 1 TEST FAILS, EPSU (EMERGENCY POWER SUPPLY UNIT) 15WL BATTERY. REMOVED AND REPLACED EPSU 15WL PER AMM 33-51-38, OPERATIONAL CHECKS NORMAL.
- Difficulty date
- May 19, 2020
- Submitted
- May 22, 2020
- Operation
- Air carrier
- Aircraft
- N991AU
- Make and model
- Airbus A321231
- Aircraft serial
- 7131
- Aircraft time
- 11,643 hours, 4,443 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 32146210
- Part serial
- 151998
- Condition
- Failed
- Location
- Cabin
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.