Service difficulty report · Shutoff Valve · Boeing 737752

Difficulty date
October 10, 2014
Submitted
October 13, 2014
Operation
Air carrier
Make and model
Boeing 737752
Aircraft serial
33789
Aircraft time
36,724 hours, 18,827 cycles
Engine
Cfmint CFM567B22
Engine time
17,054 hours, 8,860 cycles
Part
Shutoff Valve
Part number
3214552
Part serial
7855
Condition
Failed
Location
Lt Engine
Part time
35,779 hours, 17,754 cycles
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

ACFT REJECTED TAKEOFF AT 50 KNOTS, DUE TO BLEED TRIP OFF LIGHT TURNED ON. THE LEFT ENGINE PRSOV WAS REPLACED IAW AMM 36-11-04 AND HIGH STAGE VALVE IAW AMM 36-11-06, ENGINE 001, TESTED CORRECT AND THE REPORT WAS CLOSED. THE HIGH ENERGY STOP INSPECTION WAS NOT NECESSARY DUE TO THE MAXIMUM GROSS WEIGHT 65,000 KG AND BRAKES ON SPEED 110 KNOTS WERE NOT EXCEEDED IAW MM 05-51-07.