What was found
CREW REPORT, SERVICE COCKPIT O2, 820 PSI AT 6C. FOUND LEAK AT EXTERNAL FILLER VALVE. REPLACED VALVE ASSEMBLY PER MM35-12-81. SERVICED TO 1800 PSI NO LEAKS. AC OK FOR SERVICE.
- Difficulty date
- April 30, 2008
- Submitted
- May 2, 2008
- Operation
- Air carrier
- Aircraft
- N303UA
- Make and model
- Boeing 737322
- Aircraft serial
- 23644
- Aircraft time
- 61,271 hours, 36,068 cycles
- Engine
- Ge CFM56*
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Valve
- Part number
- S417N4402
- Condition
- Leaking
- Location
- Crew Oxygen
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.