Service difficulty report · Shutoff Valve · Boeing 737752

Difficulty date
October 10, 2014
Submitted
January 5, 2015
Operation
Air carrier
Aircraft
N788XA
Make and model
Boeing 737752
Aircraft serial
33788
Aircraft time
36,724 hours, 18,827 cycles
Part
Shutoff Valve
Part number
3214552
Part serial
7855
Condition
Failed
Location
Bleed Air Sys
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

AIRCRAFT REJECTED TAKE OFF AT 50 KNOTS, DUE TO BLEED TRIP OFF LIGHT TURNED ON. DEFERRED THE LT ENG PRSOV IAW MEL 36-5-2 CAT C. THE LT ENG PRSOV WAS REPLACED IAW AMM 36-11-04 & HIGH STAGE VLV OF THE LT ENG WAS REPLACED IAW AMM 36-11-06. TESTED CORRECT & THE REPORT WAS CLOSED. THE HIGH ENERGY STOP INSPECTION WAS NOT NECESSARY DUE TO THE MAXIMUM GROSS WEIGHT 65 000 KG & BRAKES ON SPEED 110 KNOTS WERE NOT EXCEEDED IAW MM 05-51-07.