Service difficulty report · Valve · Boeing 737890

Difficulty date
October 18, 2012
Submitted
October 23, 2012
Operation
Air carrier
Aircraft
N565AS
Make and model
Boeing 737890
Aircraft serial
35181
Aircraft time
22,684 hours, 7,017 cycles
Part
Valve
Part number
32895625
Part serial
10989
Condition
Malfunctioned
Location
#1 Engine
Part time
17,556 hours, 5,582 cycles
Stage of operation
DE
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

NR 1 BLEED TRIP LIGHT DESCENDING THRU 37000 THROTTLE AT 60 N1 LIGHT EXTINGUISHED ON RESET. ACCOMPLISHED QUICK FIM TASK 36-10 VISUAL INSPECTION FOUND NR 1 PRE-COOLER VALVE KISS SEAL SCREWS LOOSE AND HOLES ELONGATED. REPLACED NR 1 PRE-COOLER VALVE AND KISS SEAL REF; MM 36-12-02. ACCOMPLISHED POWER RUN OPS NORMAL.