Service difficulty report · Engine · Boeing 737824

Difficulty date
July 20, 2020
Submitted
July 27, 2020
Operation
Air carrier
Aircraft
N73275
Make and model
Boeing 737824
Aircraft serial
31593
Aircraft time
60,392 hours, 20,527 cycles
Engine
Cfmint CFM567B262
Part
Engine
Condition
Unknown
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

EGT, FF, OIL PRESSURE, AND OIL TEMPERATURE INDICATIONS CONTINUE TO SHOW AFTER ENGINE SHUTDOWN LEFT ENGINE ON MAX THRUST BLDS OFF T/O...EGT ENG 1 EXCEEDED LIMIT TO 988 AT ROTATION UNTIL THRUST REDUCTION CREW REPORTED EXTREMELY HOT DAY IN DEN, EGT SLOWLY CLIMBED DURING TAKE-OFF AND EGT INDICATION TURNED RED ALL OTHER ENG PARAMETERS NORMAL. SEE PHOTO OF THE ENG EXCEEDANCES PAGE. ACPD EEC BITE, NO EGT FAULTS #1 ENG. INPUT MONITORING ALL WITHIN LIMITS PER FIM77-21-00-810-803-FOO PARA E(1)F PG3. INSPECTION OF INLET AND EXHAUST AREAS OF THE ENG NO DESCRIPENCIES FOUND. OPEN ENG FOR BOROSCOPE INSPECTION OF HPT BLADES REF TASK72-00-00-200-807-F00 AND STAGE 1 LPT BLADES REF REF TASK 71-06-00-810-805-F00 AND TASK 71-00-00-800-804-F00 ACP TASK72-00-00-200-808-F00. ACP''D ENGINE #1 HPT BLADES BORO INSPECTION REF TASK NOTED. BLADES OKAY FOR CONTINUED SERVICE. INSPECTION REF TASK 72-00-00-200-808-F00. NO LIMITING DEFECTS 72-00-00-200-807-F00 AND ENGINE #1 STAGE 1 - 3 LPT BLADES BORO REFERENCED MM. INSTALLED BORO PLUGS AND GEARBOX DRIVEPAD COVER AS PER QC VERIFIED INSTALL OF BORO PLUGS AND CRANK PAD COVER ON #1 ENG. PER IDT LIST GMM 09-10-05. AND RII LIST GMM 09-25-05. IGNITION SYSTEM AUDIBLE TEST AS PER TASK 74-00-00-750-801-F00. ALL CHKS GOOD. DUE TO IGNITER PLUG REMOVAL FOR BOROSCOPE INSPECTION ACP''P PER FIM TASK 71-06-00-801-805-F00 COMPLETED ITEM F. (3)(A) TEST 1 PNEUMATIC LEAK CHECK AS PER TASK 71-00-00-700-809-F00. NO LEAKS FOUND ON THE ENG OR UPSTREAM OF THE PRSOV. ACP''D ENG BLD A