What was found
DURING SERVICING OF O2 CYLINDER, IT WAS DISCOVERED THAT A LOUD STREAM OF AIR WAS ESCAPING FROM SMALL HOLE IN BACK OF CYLINDER VALVE NECK. REMOVED AND REPLACED O2 CYLINDER. PERFORMED LEAK CHECK WITH NO LEAKS DETECTED.
- Difficulty date
- July 23, 2021
- Submitted
- July 26, 2021
- Operation
- Air carrier
- Aircraft
- N914FX
- Make and model
- Aerosp ATR42300
- Aircraft serial
- 293
- Aircraft time
- 27,564 hours, 29,680 cycles
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Oxygen Bottle
- Part number
- 89131114
- Part serial
- M502226
- Condition
- Leaking
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.