What was found
F/O O2 MASK DURING TEST, ANTI SUFFOCATION VALVE WOULD NOT RELEASE. REMOVED AND REPLACED MASK, OPS CK GOOD IAW MM 35-11-0.
- Difficulty date
- November 13, 2001
- Submitted
- November 13, 2001
- Operation
- Air carrier
- Aircraft
- N740DH
- Make and model
- Boeing 7272Q9
- Aircraft serial
- 21930
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Oxygen Mask
- Condition
- Defective
- Location
- Cockpit
- 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.