SDR CA081127010

Service difficulty report · Shaft

Difficulty date: June 11, 2008
Submitted: December 18, 2008
Operation: General aviation
System (JASC): 6320 · Main Rotor Gearbox
Part: Shaft
Part number: 7635109028105
Condition: Corroded
Location: M/R Gearbox
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) EXCESSIVE CORROSION FOUND ON NEW QUILL SHAFT. MAIN GEARBOX O/H PN:76351-09500-044, SN:A081-00058 DURING CLEAN-UP AND INSP OF NEW QUILL SHAFT (PN, SN MENTIONED BELOW) MULTIPLE CORROSION PITTING CLUSTERS FOUND ON INTERNAL SPLINES AND ID OF PART. RETURN TO VENDOR FOR FULL WARRANTY UNSERVICEABLE QUILL SHAFT RETURN TO VENDOR AWAITING WARRANTY RMA NR COMPANY SQID NR 08-04306.