What was found
AFTER LEVEL-OFF A/C LEAK RE-DEVELOPED AND SLOW STEADY PRESSURE DROP. LOCATED OXYGEN HOSE LEAK AT PRESSURE REGULATOR. REPLACED HOSE AND SERVICED CREW OXYGEN BOTTLE.
- Difficulty date
- April 21, 2005
- Submitted
- May 10, 2005
- Operation
- Air carrier
- Aircraft
- N176UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24383
- Aircraft time
- 55,190 hours, 6,315 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Hose
- Part number
- 964312
- Condition
- Leaking
- 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.