Service difficulty report · Bleed Valve · Boeing 737890

Difficulty date
February 22, 2013
Submitted
February 26, 2013
Operation
Air carrier
Aircraft
N508AS
Make and model
Boeing 737890
Aircraft serial
35691
Aircraft time
17,567 hours, 5,512 cycles
Engine
Cfmint CFM567B273
Part
Bleed Valve
Part number
32144464
Part serial
6182
Condition
Leaking
Location
Nr 2 Engine
Part time
48,033 hours, 18,038 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

RIGHT BLEED TRIP OFF LIGHT ILLUMINATED AT TOP OF DESCENT. RESET IAW QRH- LIGHT WENT OUT. PERFORMED FIM TASK 36-10-/801, FAILED STEP F-7 HIGH STAGE BLEED VALVE LEAK. REPLACED HIGH STAGE VALVE REF AMM 36-11-06 LEAK CHECKED AND OPS CKD OK . AS PRECAUTION ALSO CHGD HIGH STAGE REG. IAW AMM 36-11-07 AND THE PRECOOLER CONT VALVE REF AMM 36-12-02. ALL ITEMS LK CKD AND OPS CKD OK. PERF. ENG BLEED CROSSOVER OPS TEST GROUND VERIFICATION CKD GOOD, REF AMM 36-11-00-710-801.