Service difficulty report · Line · Boeing 777222

Difficulty date
June 12, 2009
Submitted
June 12, 2009
Operation
Air carrier
Aircraft
N778UA
Make and model
Boeing 777222
Aircraft serial
26940
Aircraft time
53,046 hours, 9,692 cycles
Engine
Pwa PW4077
Part
Line
Condition
Damaged
Location
Hydraulic Sys
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
D

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

What was found

BLEED LOSS BODY RIGHT EICAS. FOUND 2 BLOWN PNEUMATIC DUCTS AND 2 HYD LINES DENTED. REPLACED BOTH DAMAGE HYD LINES WITH NEW LINES. LT WHEEL WELL AT STA 1266 ADP PNEUMATIC DUCT SUPPORT CLAMP DAMAGED. REPLACED SUPPORT CLAMP. LT WHEEL WELL ADP AIR SUPPLY DUCT CRACKED AT AFT FLANGE. LOCATED AT STA 1238.77 TO STA 1266. REPLACED DUCT. ACCOMPLISHED HIGH POWER RUN TO VERIFY PROPER BLEED FUNCTION AND DUE TO PNEUMATIC DUCT REPLACEMENT. ACP'D HIGH POWER RUN. ALL BLEED INDICATIONS NORMAL.