As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE PERFORMING TSR701958 FOUND NR 1 ENG EGT EXCEEDANCE. GROUNDED - YES. ACCOMPLISHED EEC TEST REF FIM 71-06-805 NO FAULTS FOUND PERFORMED STEP 2. ACCOMPLISHED NR 1 ENGINE HPT BLADES BORESCOPE INSPECTION REF AMM 72-00-00-200-807-F00 NO DAMAGE NOTED. ACCOMPLISHED TEST 1 PNEUMATIC LEAK CHECK ON NR 1 ENG & FOUND PRSOV AND HSV TO HAVE LEAKS AT BUTTERFLY SHAFT BLEED HOLE & SEVERAL SMALL LEAKS AT UNIONS. REMOVED & REPLACED BOTH REF AMM 36-11-04 & 36-11-06.