SDR HALA0800549

Service difficulty report · Shutoff Valve · Boeing 7673G5

Difficulty date: April 28, 2008
Submitted: April 29, 2008
Operation: Air carrier
Aircraft: N586HA
Make and model: Boeing 7673G5
Aircraft serial: 24259
Aircraft time: 83,562 hours, 15,924 cycles
Engine: Pwa PW4060
System (JASC): 3610 · Pneumatic Distribution System
Part: Shutoff Valve
Condition: Malfunctioned
Location: Left
Stage of operation: TO
How discovered: O
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

ETOPS SIGNIFICANT SYSTEM, ATO, LT HPSOV EICAS MSG UPON SPOOL-UP FOR TAKEOFF, ABORTED TAKEOFF, AT 60-80 KNOTS AIRSPEED. LOCKED-OUT HPSOV VALVE PER MEL MPCW, ALSO ACCOMPLISHED HIGH ENERGY STOP INSPECTION, FOR ABORTED T/O PER TASK 05-51-14-212-089. OK TO CONTINUE PER FIG 201. ALL CHECKS ARE OK.

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