Service difficulty report · Controller · Boeing 767231

Difficulty date
July 11, 1997
Submitted
June 7, 2000
Operation
Air carrier
Aircraft
N606TW
Make and model
Boeing 767231
Aircraft serial
22569
Engine
Pwa JT9D7R4D
Engine time
44,283 hours, 11,393 cycles
Part
Controller
Part number
162T11201
Part serial
4612
Condition
Worn
Location
Nr 2 Engine
Stage of operation
CR
How discovered
O
Nature of condition
R, J
Precautionary procedure
E, A

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

What was found

DURING CLIMB NUMBER 2 ENGINE STALLED THEN SURGED DURING DECELERATION. ENGINE WAS SHUT DOWN. REPLACED THE ENGINE VANE AND BLEED CONTROL (EVBC). CHECK-C 5-17-97 LAX. S/D. TEST OF THE EVBC FOUND IT OUT OF LIMITS, AND CAUSED THE ENGINE SURGE.