SDR ASAA0956250

Service difficulty report · Shutoff Valve · Boeing 737890

Difficulty date: July 22, 2009
Submitted: July 27, 2009
Operation: Air carrier
Aircraft: N560AS
Make and model: Boeing 737890
Aircraft serial: 35179
Aircraft time: 11,298 hours, 3,584 cycles
System (JASC): 3610 · Pneumatic Distribution System
Part: Shutoff Valve
Part number: 32145525
Part serial: 4532
Condition: Failed
Location: Nr 1 Engine
Part time: 36,497 hours, 17,896 cycles
Stage of operation: IN
How discovered: C
Nature of condition: O
Precautionary procedure: K

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

What was found

NUMBER 1 ENGINE PRSOV FAILED HEALTH CHECK. REMOVED AND REPLACED NUMBER 1 ENG PRSOV VALVE IAW 737 NG AMM 36 11 04 000 801 AND AMM 36 11 04 400 801 A,B,C (1)(2)(4)(9) A,B,C,D,E AND F (1)(2)(3) G (1)(8). ACCOMPLISHED NR 1 ENGINE PRSOV INSTALLATION TEST PER MM 36 11 04 84 400 801 STEP H, TESTS GOOD.