What was found
AIRCRAFT WAS NOT GROUNDED: AUXILIARY POWER UNIT DISCHARGE LIGHT ON, ON OVERHEAD FIRE PANEL. REPLACED AUXILIARY POWER UNIT FIRE EXTINGUISHER BOTTLE AND CARTRIDGE PER AMM 26-22-41.
- Difficulty date
- March 19, 2021
- Submitted
- March 22, 2021
- Operation
- Air carrier
- Aircraft
- N128UW
- Make and model
- Airbus A320214
- Aircraft serial
- 4242
- Aircraft time
- 30,090 hours, 16,283 cycles
- System (JASC)
- 2621 · Fire Bottle, Fixed
- Part
- Extinguisher
- Part number
- 336000053
- Part serial
- 65332D1
- Condition
- Discharged
- Location
- Apu Bay
- Part time
- 32,732 hours, 15,174 cycles
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.