Service difficulty report · O-Ring · Boeing 757222

Difficulty date
June 20, 2013
Submitted
July 12, 2013
Operation
Air carrier
Aircraft
N519UA
Make and model
Boeing 757222
Aircraft serial
24872
Aircraft time
74,186 hours, 27,698 cycles
Engine
Pwa PW2040
Part
O-Ring
Part number
MS938505
Part serial
UNKNOWN
Condition
Leaking
Location
Oxygen System
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

CREW OXYGEN REGULATOR AT E-5 RACK UNION LEAKS. REPLACED O-RINGS AT OXYGEN BOTTLE REGULATOR, NO LEAKS.