As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) NON APPROVED AS21040 BOLT WAS FOUND. BOLT HEAD WAS MACHINED TO ADD PN AS21040. BOLT END ALSO MACHINED WITH A CENTER HOLE, THREAD LENGTH SHORTER AND DIAMETER OF BOLT IS UNDERSIZE. BOLT LOCATIONS ON ENGINE; CLIPPING POINT FOR P3 AIR TUBE TO FFR UNION P3 LIMITER, IP BLEED VALVE CLAMPING SEAL/RETAINING SEAL AND LP FUEL FILTER MOUNTING BOLT. (TC NR 20061002001)