Service difficulty report · Boot · Boeing 777222

Difficulty date
March 9, 2010
Submitted
March 10, 2010
Operation
Air carrier
Aircraft
N778UA
Make and model
Boeing 777222
Aircraft serial
26940
Aircraft time
56,115 hours, 10,187 cycles
Engine
Pwa PW4077
Part
Boot
Condition
Damaged
Location
Pnuematic Sys
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

PNEUMATIC DUCT PRESSURIZATION BOOT FOUND CRACKED (TORN) AT LT FUSELAGE AFT WING TO BODY FAIRING JUST ABOVE ADP EXHAUST DUCTS. AFT DUCT AND BOOT REMOVED AWAITING PARTS, THIS IS THE DUCT THAT GOES TO THE LOWER C1 ADP. REPLACED BOTH FWD AND AFT BOOTS.