Service difficulty report · Shutoff Valve · Boeing 7673P6

Difficulty date
March 29, 2025
Submitted
March 31, 2025
Operation
Air carrier
Aircraft
N763CK
Make and model
Boeing 7673P6
Aircraft serial
26233
Aircraft time
92,219 hours, 29,481 cycles
Part
Shutoff Valve
Part number
8021709
Part serial
940628
Condition
Frozen
Location
Rt Engine
Stage of operation
TX
How discovered
V
Nature of condition
J
Precautionary procedure
C

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

What was found

DURING TAXI OUT, RT ENG PRV ON TAKEOFF. ABORTED TAKEOFF ABOUT 120 KTS. RIGHT BRAKES UP TO 9 ON TEMP. REUTRNED TO BLOCKS (BTB). REMOVED AND REPLACED RT ENGINE PRESSURE REGULATING VALVR PER B767 AMM 36-11-18. OPS AND LEAK CK GOOD. A/C REMAINS NO ETOPS. REF LP 38815-81/2 FOR BRAKE CONDITIONAL INSP. PERFORMED HIGH ENERGY STOP INSPECTION PER AMM 05-51-14. NO DEFECTS NOTED.

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