As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SECOND ENG START THE DUCT PRESS BOTH LT & RT STARTED TO FLUCTUATE BETWEEN 30PSI & 5PSI. N2 ROTATION SLOWER THAN NORMAL. EGT DURING START WAS HIGHER THAN FIRST ENG START BUT WITHIN LIMITS. TROUBLE SHOT IAW FIM 36-11 FT831 & 841, NO TROUBLE FOUND. INDICATION NORMAL & AIR SUPPLY LEAKAGE TEST NO FAULT FOUND IAW 36-11-00 501. AIR SUPPLY BITE MODULE SHOWED NO FAULT IAW 36-20 804. VISUALLY CHECKED PNEUMATIC DUCT NO FAULTS FOUND IAW 36-11-01-601.