Service difficulty report · Stator · Boeing 727232

Difficulty date
January 16, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N10791
Make and model
Boeing 727232
Aircraft serial
20645
Engine
Pwa JT8D15
Part
Stator
Condition
Migrated
Location
Nr 3 Engine
Stage of operation
CL
Nature of condition
E, M, T
Precautionary procedure
A, E

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

What was found

ENGINE NUMBER THREE FAILED ON CLIMB-OUT. CONSTANT VIBRATION, OVER TEMP, ENGINE SHUT DOWN IN FLIGHT. AIRCRAFT RETURNED TO LAS. ENGINE AND DAMAGED COWLING REPLACED AND AIRCRAFT RETURNED TO SERVICE. PRELIMINARY ENGINE INSPECTION REVEALED A FAILURE IN THE HIGH PRESSURE COMPRESSOR SECTION AND AN UNCONTAINED CASE PENETRATION IN THE PRBC AREA CAUSING COWL DAMAGE. SDR TO REMAIN OPEN PENDING ENGINEERING INVESTIGATION AND ENGINE TEARDOWN. TEARDOWN FINDINGS REVEALED C12 STATOR MIGRATION AS THE PRIMARY CAUSE OF ENGINE FAILURE.