What was found
CANNOT STOP FLOW OF O2 ON S/O ON REG AT 100 PERCENT EMERG IAW AOM CHECK PROCEDURES. REMOVED AND REPLACED O2 REGULATOR P/N ON/OFF 28000-1 S/N ON 7879 OFF 8278.
- Difficulty date
- December 18, 1997
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N681UP
- Make and model
- Boeing 747121
- Aircraft serial
- 19661
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Oxy Regulator
- Part number
- 280001
- Condition
- Malfunctioned
- Location
- Cockpit
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.