SDR UIEA2015111000634

Service difficulty report · Oxygen Mask · Boeing 747409

Difficulty date: November 6, 2015
Submitted: November 10, 2015
Operation: Air carrier
Aircraft: N249BA
Make and model: Boeing 747409
Aircraft serial: 24309
Aircraft time: 74,151 hours, 14,613 cycles
System (JASC): 3510 · Crew Oxygen System
Part: Oxygen Mask
Part number: MF100211
Part serial: 100102
Condition: Leaking
Location: Cockpit
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

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

What was found

FOUND CREW OXYGEN MASK, REGULATOR LEAK AT FIRST OFFICERS. IAW AMM 35-11-18-004-017 REV 84 & AMM 35-11-18-404-024 REV 84 REPLACED FIRST OFFICERS OXYGEN MASK REGULATOR. IAW AMM 35-11-18-212-008 REV 84 STOWAGE FIRST OFFICERS OXYGEN MASK REGULATOR. IAW AMM 35-11-00-715-036 REV 84 PFM CREW OXYGEN MASK REGULATOR TEST THAT THE RESULT WAS SATISFACTORY. IAW AMM 35-11-00-795-033 REV 84 PFM CREW OXYGEN MASK & REGULATOR LEAK TEST RESULT WAS NO LEAK FOUND. JOB COMPLETED & CONDITION CHECKED NORMAL.