Service difficulty report · Bolt

Difficulty date
November 19, 2010
Submitted
March 15, 2011
Operation
Air carrier
Engine
Pwc PW610FA
Part
Bolt
Part number
MS967707
Condition
Mismanufactured
Location
Gas Gen
Part time
1 hours
Stage of operation
IN
How discovered
9
Nature of condition
W
Precautionary procedure
K

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

What was found

(CAN) A BATCH OF 310 GAS GENERATOR CASE P3 CABIN BLEED RETAINING BOLTS (P/N MS9677-07) WERE DELIVERED TO MANUFACTURER THAT DO NOT MEET THE ASME DRAWING REQUIREMENTS. THE SCALLOPS ON THE HEAD OF THE BOLT ARE NOT OF SUFFICIENT LENGTH. THESE SCALLOPS ARE REQUIRED TO EASE THE CRIMPING OF THE KEY WASHER. THE APPROPRIATE FIELD DOCUMENTATION HAS BEEN RAISED.