Service difficulty report · Valve · Boeing 737*

Difficulty date
April 10, 2007
Submitted
April 13, 2007
Operation
Air carrier
Aircraft
N997AM
Make and model
Boeing 737*
Aircraft serial
30283
Aircraft time
15,015 hours, 9,929 cycles
Engine
Cfmint CFM567B22
Engine time
12,174 hours, 7,948 cycles
Part
Valve
Part number
32144464
Part serial
7543
Condition
Failed
Location
Rt Precooler
Part time
12,163 hours, 7,941 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

AIRCRAFT AIR-TURNED BACK DUE TO RT ENGINE BLEED TRIP OFF LIGHT, TURNED ON. AT CUU, TECH PERSONNEL DEFERRED REPORT IAW MEL 36-8. DURING OVERNIGHT CHECK; RT HIGH STAGE PRECOOLER VALVE WAS REPLACED IAW MM 36-11-06, TESTED CORRECT. OVERWEIGHT INSPECTION WAS NOT REQUIRED DUE TO AIRCRAFT LANDED WITH 53,315 KILOGRAMS AND THE MAXIMUM LANDING WEIGHT IS 58,059 KILOGRAMS.