What was found
DURING SCHEDULED MTC, CAPT. OXYGEN MASK DOES NOT TEST PROPERLY.MTX REMOVED AND REPLACED CAPT OXYGEN MASK STOWAGE BOX IAW AMM 35-11-51. OPS CHK AND LEAK CHK GOOD.A/C RETURNED TO SERVICE .
- Difficulty date
- October 4, 2026
- Submitted
- October 6, 2026
- Operation
- Air carrier
- Aircraft
- N317CM
- Make and model
- Boeing 767338
- Aircraft serial
- 24317
- Aircraft time
- 115,041 hours, 34,334 cycles
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Oxygen Mask
- Part number
- MXP147
- Part serial
- S9365
- Condition
- No Test
- Location
- Zone 200
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.