Service difficulty report · Control Valve · Boeing 737824

Difficulty date
March 5, 2012
Submitted
March 5, 2012
Operation
Air carrier
Aircraft
N13227
Make and model
Boeing 737824
Aircraft serial
28788
Aircraft time
42,112 hours, 15,321 cycles
Part
Control Valve
Part number
32895626
Part serial
11991
Condition
Malfunctioned
Location
Bleed Air Sys
Part time
6,700 hours, 2,213 cycles
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

NR 1 BLEED TRIP OF LIGHT ILLUMINATED DURING CLIMB. T/S PER WDM 39-11-11. FOUND PIN 9 AND 10 SHOWING CLOSED ON BAR REPLACE BAR PER AMM 36-11-03. ENGINE RUN TO 93.3% N1. NO BLEED SPLIT AND NO BLEED TRIP END ROTABLE PARTS CHANGE WAS INDICATED. REMOVE AND REPLACE CONTROL VALVE PER TASK 36-12-02.