Service difficulty report · Shutoff Valve · Boeing 737890

Difficulty date
February 19, 2013
Submitted
February 22, 2013
Operation
Air carrier
Aircraft
N586AS
Make and model
Boeing 737890
Aircraft serial
35189
Aircraft time
20,645 hours, 6,497 cycles
Part
Shutoff Valve
Part number
32145526
Part serial
4479
Condition
Failed
Location
Nr 2 Engine
Part time
47,984 hours, 24,510 cycles
Stage of operation
CL
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

AFTER DEPARTURE, DUCT PRESSURE INDICATED 55 PSI IN LT DUCT, 22PSI IN RT DUCT, GOT BETTER AS FLIGHT CONTINUED. REF MM 36-11-00-700-804, FOUND PRSOV BAD. REPLACED PRSOV REF MM 36-11-04-400-801. LEAK & OPS CHECKED GOOD. ACCOMPLISHED ENGINE BLEED AIR CROSSOVER OPS TEST RUNNING BOTH ENGINES & OPS TEST. TESTED GOOD REF AMM 36-11-00-710-801.