What was found
LEFT ENG EGT OVERTEMP DURING AIR RESTART. ENGINE EXCEEDANCES ON E1, PEAK: 795.5 AND RED: 725.0 0:15.6 SECONDS. PERFORMED HPT AND LPT STAGES 1-3 BOROSCOPE WITH NO LIMITING FINDINGS OBSERVERED. REMOVED NR 1 ENGINE HMU IAW AMM 73-21-10/401. IAW FIM TASK 80-05-803 INSPECTION AFTER ENGINE OPS ABOVE THE LIMITS AND HIGH ENGINE STRESS IAW AMM 71-00-00-800-804-F00. INSTALLED HMU IAW AMM. 73-21-10-400-801-F00 UP TO AND INCLUDING STEPS G. (1) (G) 2). VERIFIED THE REPLACEMENT OF O-RINGS AND INSTALLATION OF THE HMU IAW AMM 73-21-10-400-801-F00 COMPLETION OF THE INSTALLATION TESTS FOR THE NR 1 ENG HMU IAW AMM 73-21-10-400-801-F00. OPS CHECKS GOOD, NO LEAKS NOTED.