SDR 98ZZZX3595

Service difficulty report · Studs · Skrsky S76A

Difficulty date: August 6, 1998
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N22342
Make and model: Skrsky S76A
Aircraft serial: 760096
Engine: Allsn 250C30
System (JASC): 7230 · Turbine Engine Compressor Section
Part: Studs
Condition: Loose
Location: Compressor
Part time: 11,510 hours
Stage of operation: CR
Nature of condition: J
Precautionary procedure: A

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

What was found

IN CRUISE, 400 FEET, 80 KNOTS, PILOT REPORTED SEVERALS SHUDDERS, THEN NR 2 ENGINE TOT PEGGED TO THE HIGH SIDE. SECURED ENGINE, RETURNED TO BASE AND MADE UNEVENTFUL LANDING. MAINTENANCE REMOVED AND REPLACED ENGINE DUE TO N1 AND N2 SEIZURE. SUBMITTER STATED NR 2 COMPRESSOR SCROLL MOUNTING STUDS PULLED OUT.