SDR ABXA9600030

Service difficulty report · C1 Disk · Doug DC863

Difficulty date: January 14, 1996
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N823AX
Make and model: Doug DC863
Aircraft serial: 46122
Engine: Pwa JT3D7
System (JASC): 7230 · Turbine Engine Compressor Section
Part: C1 Disk
Part number: 739201ABX7
Condition: Cracked
Location: Nr 2 Engine
Stage of operation: IN
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

DURING COMPLIANCE OF AD 80-12-51, PRATT AND WHITNEY SB 5136, FOUND CRACK INDICATIONS IN C-1 DISK, FIRST STAGE FAN BLADES. REPLACED C-1 DISK, FIRST STAGE FAN BLADES IAW ABX TEST AND MAINTENANCE RECORD WORK SHEETS, BS374A, BS375A, BS376A AND BS377A.

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