SDR UALA2010061102049

Service difficulty report · Hose · Boeing 767322

Difficulty date: June 11, 2010
Submitted: June 11, 2010
Operation: Air carrier
Aircraft: N677UA
Make and model: Boeing 767322
Aircraft serial: 30029
Aircraft time: 31,929 hours, 8,053 cycles
Engine: Pwa PW4056
System (JASC): 3510 · Crew Oxygen System
Part: Hose
Condition: Kinked
Location: Crew Oxygen
Stage of operation: NR
How discovered: 9
Nature of condition: O
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CAPTS O2 MASK LOSES 10 PSI EVERY :02. DURING TROUBLESHOOTING, FOUND 2ND OBSERVER'S O-2 SUPPLY HOSE KINKED, LEAKING AT CROSS THREADED TEE FTG. REPLACED SUPPLY HOSE, PCN=192-2103 P/N 38001-606. REPLACED OTBD TEE FITTING, PCN =710-2303. ACP POST INSTALLATION LEAK CHECK ON BOXES, MASKS & REPLACED HARDWARE. NO LEAKS FOUND.