What was found
AIRCRAFT WAS NOT GROUNDED: APU DISCHARGE LIGHT ILLUMINATED. LIGHT WAS NOT ILLUMINATED WHEN MAINTENANCE ARRIVED AT AIRCRAFT. BOTTLE NOT DISCHARGED. ACCOMPLISHED TEST OF APU FIRE LOOP PER AMM 26-27-00 NO FAULTS NOTED.
- Difficulty date
- December 17, 2021
- Submitted
- December 20, 2021
- Operation
- Air carrier
- Aircraft
- N135NN
- Make and model
- Airbus A321231
- Aircraft serial
- 6520
- Aircraft time
- 20,960 hours, 7,340 cycles
- System (JASC)
- 2621 · Fire Bottle, Fixed
- Part
- Warning Message
- Condition
- False Indication
- Location
- Apu Fire Bottle
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- N
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.