SDR TWAA9771001

Service difficulty report · Engine · Boeing 767231

Difficulty date: June 20, 1997
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N610TW
Make and model: Boeing 767231
Aircraft serial: 22573
Engine: Pwa JT9D7R4D
System (JASC): 7200 · Engine (Turbine/Turboprop)
Part: Engine
Condition: Surged
Location: Right
Stage of operation: CR
Nature of condition: O
Precautionary procedure: O

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

What was found

DTW - FLT 720 - DURING CRUISE, RIGHT ENGINE SURGED WHILE IN TURBULENCE. INSPECTED INLET AND EXHAUST AND 3.5 BLEED VALVE. ALSO, CHECKED 5TH, 6TH, AND 7TH IVG UNISON RING VANE AND ARMS, ALL FOUND NORMAL. REMOVED AND REPLACED MAIN OIL SCREEN FOUND CLEAN. OPERATIONAL CHECKS NORMAL. (M)