As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING T/S ON NR 1 ENG, FOUND DAMAGE ON LEFT T/R FIRE BLANKET ALSO FOUND HIGH PRESS COMPRESSOR BOROSCOPE PLUG MISSING ON LEFT SIDE (8TH STAGE VANE H.P.C ROTOR). INSTALLED REPLACEMENT BOROSCOPE PLUG (J) PER AMM 72-00-00-290 812-G00, (NOTE) FIRE BLANKET DAMAGE TRANSFER TO L/P 4523119,20 AND 21.