SDR CA110715006

Service difficulty report · Skin · Dhav DHC6*

Difficulty date: July 15, 2011
Submitted: September 9, 2011
Operation: Air carrier
Make and model: Dhav DHC6*
System (JASC): 5730 · Wing, Plate/Skin
Part: Skin
Condition: Misrepaired
Location: Wing
Stage of operation: NR
How discovered: V
Nature of condition: W
Precautionary procedure: O

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

What was found

DETERMINED THAT -4 DIAMETER FASTENERS MAY HAVE BEEN INSTALLED IN AS MANY AS 4 RIB TO REAR SPAR JUNCTIONS AT STN 47.5 85.00 ON RECENTLY MFG WING BOX ASSEMBLIES. DWG C6W1002 CALLS FOR -5 DIAMETER FASTENERS IN THESE LOCATIONS. ISSUING A SB TO HAVE IN-SERVICE WINGS INSPECTED AND DISCREPANT FASTENERS REPLACED WITH THE CORRECT SIZE FASTENER.