Service difficulty report · Engine · Doug MD9030

Difficulty date
July 18, 2009
Submitted
July 23, 2009
Operation
Air carrier
Aircraft
N911DA
Make and model
Doug MD9030
Aircraft serial
53391
Aircraft time
37,207 hours, 20,014 cycles
Engine
Iae V2528D5
Engine time
31,720 hours, 17,004 cycles
Part
Engine
Part number
1685MK7
Part serial
V20079
Condition
Dirty
Location
Nr 1
Part time
31,720 hours, 17,004 cycles
Stage of operation
DE
How discovered
O
Nature of condition
J
Precautionary procedure
E

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

What was found

DESCENT AT 15000 TO LEVEL OFF POWER INCREASE GOT STATUS MSG LT STATOR VANE FAIL THEN CREW NOTIFICATION OF LOUD POPPING NOISES ON LEFT AFT SIDE, THEN LEFT ENGINE RPM DECREASED TO 35 PCT N1 AND EGT NEAR 600C. OIL PRESS AT 85 PSI. SHUTDOWN WAS 620C NO OTHER ABNORMAL ENG VIBRATION INDICATIONS. EXAMINED INLET EXHAUST AND BLEED VLVS. NO FOREIGN MATERIAL. ACCOMPLISHED BOROSCOPE OF 3 AND 6 STAGES - NO ITEMS. REPLACED VSV ACTUATOR PER MM, RAN GAT TEST-PASSED. REPLACED EEC, CHECKS GOOD POWER ASSURANCE CHECKS GOOD.

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