SDR 97ZZZX488

Service difficulty report · Compressor · Boeing 767205

Difficulty date: January 12, 1996
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N650TW
Make and model: Boeing 767205
Aircraft serial: 23057
Engine: Pwa JT9D7R4D
System (JASC): 7230 · Turbine Engine Compressor Section
Part: Compressor
Condition: Failed
Location: Nr 1 Engine
Stage of operation: CL
Nature of condition: R
Precautionary procedure: O

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

What was found

SEA - FLT 740 - DURING CLIMB, NR 1 ENGINE, SN 4603, SURGED. POWER WAS REDUCED TO IDLE. CHANGED NR 1 ENGINE. ENGINE TOTAL TIME: 29,752 HOURS; 8,040 CYCLES. INVESTIGATION REVEALED THE HIGH PRESSURE COMPRESSOR HAD NON-CONCENTRIC RUBBING OF RUBSTRIPS ON THE 11TH THROUGH 15TH STAGES. THE HIGH PRESSURE COMPRESSOR 'B' MODULE WAS REPLACED AND ENGINE, SN 4603, WAS RETURNED TO SERVICE.