Service difficulty report · Seal · Boeing 777222

Difficulty date
August 9, 2012
Submitted
August 31, 2012
Operation
Air carrier
Aircraft
N795UA
Make and model
Boeing 777222
Aircraft serial
26927
Aircraft time
65,626 hours, 9,411 cycles
Engine
Pwa PW40903
Part
Seal
Condition
Ruptured
Location
Bleed Duct
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

BLEED LEAK R DUCT LEAK IN BLEED AIR DUCTING IN RIGHT WING INBOARD FIXED LEADING EDGE, OR RIGHT PACK BAY UP TO CENTER ISOLATION VALVE. REPLACED RT PACK PLENUM DUE TO DUCT SEAL RUPTURE. REPLACED RT PACK DIFFUSER ASSY, OPS CHECKED GOOD.