Service difficulty report · Valve · Boeing 737890

Difficulty date
June 4, 2015
Submitted
June 8, 2015
Operation
Air carrier
Aircraft
N516AS
Make and model
Boeing 737890
Aircraft serial
39044
Aircraft time
24,589 hours, 7,583 cycles
Part
Valve
Part number
32144464
Part serial
11245
Condition
Failed
Location
Nr 2 Engine
Part time
24,578 hours, 7,579 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

RIGHT DUCT PRESSURE READS 5 PSI IN FLIGHT GROUNDED. RETURNED TO DEPARTURE. DIVERSION TIME - 38 MINUTES. PERFORMED ENGINE BLEED HEALTH CHECK REF. T/C NG-36WC-00001 IAW STEP .04, HIGH STAGE VALVE FAILED WRENCH CHECK. REPLACED NR 2 ENGINE HIGH STAGE VALVE IAW AMM 36-11-06-000-801 AND 36-11-06-400-801. LEAK CHECK GOOD. PERFORMED ENGINE BLEED AIR CROSSOVER OPS TEST REF AMM 36-11-00-710-801. OPS CHECKED GOOD.