As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE CURRENT MAINTENANCE CHECK, S.B. 170-57-0078 CALLS FOR 3 FASTENER HOLES TO BE ADDED TO THE NEW RIB THAT WOULD ATTACH TO THE S.B 170-57-0066 QUADRANT FITTING. THIS S.B. 170-57-0066 HAS NOT BEEN ACCOMPLISHED ON THIS AIRCRAFT AND THE EXISTING FITTING DOES NOT EXTEND DOWN TO PICK UP THESE FASTENER HOLES. OMITTED FASTENERS CALL OUT FOR IN S.B.