What was found
APU FIRE EXTINGUISHING BOTTLE DISCHARGED WHEN PERFORMING PRESSURE SWITCH OPERATIONAL TEST. REPLACED AUXILIARY POWER UNIT FIRE EXTINGUISHING BOTTLE.
- Difficulty date
- August 17, 2011
- Submitted
- August 19, 2011
- Operation
- Air carrier
- Aircraft
- N778AN
- Make and model
- Boeing 777223
- Aircraft serial
- 29587
- Aircraft time
- 51,072 hours, 6,418 cycles
- System (JASC)
- 2621 · Fire Bottle, Fixed
- Part
- Fire Bottle
- Condition
- Discharged
- Location
- Apu Bay
- 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.