What was found
CAPT O2 MASK 100% SWITCH STICKING. MASK EXTREMELY HARD TO BREATH THROUGH. NEEDS TO BE REPLACED.(<P>REMOVED AND REPLACED CAPT O2 MASK IAW AMM 35-11-51. OPS CHECK GOOD. NO FURTHER DEFECTS NOTED.</P>)
- Difficulty date
- September 10, 2021
- Submitted
- September 14, 2021
- Operation
- Air carrier
- Aircraft
- N1399A
- Make and model
- Boeing 767306
- Aircraft serial
- 27959
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Oxygen Mask
- Part number
- MC1008109
- Part serial
- 47457
- Condition
- Failed
- Location
- Captain'S
- Stage of operation
- TX
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.