SDR CA020503001

Service difficulty report · Duct · Cessna 500CESSNA

Difficulty date: April 3, 2002
Submitted: May 31, 2002
Operation: Air carrier
Make and model: Cessna 500CESSNA
Aircraft time: 9,831 hours
Engine: Pwa JT15D1A
System (JASC): 7270 · Turbine Engine Bypass Section
Part: Duct
Part number: 3021436
Condition: Cracked
Location: Lt Engine
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

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

What was found

(CAN) DURING PHASE I & II INSPECTION, LT ENGINE FRONT & REAR INNER BYPASS DUCT FOUND CRACKED. PARTS REMOVED FROM ENGINE INSPECTED & FOUND PARTS HAD BEEN REPAIRED PREVIOUSLY, WELDED AT OVERHAUL & CRACK NEXT TO WELDED AREA.PROBABLE CAUSE, HI-TIME PARTS, PREVIOUSLY REPAIR, CRACKED, METAL FATIGUE. INNER BYPASS DUCT P/N 3021436 AND 3020330