What was found
DIVERTED DUE TO OXYGEN PRESSURE AT ZERO DURING NORMAL INSTRUMENT SCAN DURING CRUISE. CREW OXYGEN BOTTLE REPLACED AND A LEAK CHECK PERFORMED. FOUND A LOOSE B-NUT BEHIND SECOND OBSERVER`S SEAT.
- Difficulty date
- January 16, 2018
- Submitted
- January 19, 2018
- Operation
- Air carrier
- Aircraft
- N1607B
- Make and model
- Boeing 767332
- Aircraft serial
- 30388
- Aircraft time
- 78,601 hours, 10,321 cycles
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- B-Nut
- Condition
- Loose
- Location
- Crew Oxygen
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.