Service difficulty report · Egt Indication · Boeing 737924ER

Difficulty date
May 30, 2022
Submitted
May 30, 2022
Operation
Air carrier
Aircraft
N37474
Make and model
Boeing 737924ER
Aircraft serial
31648
Aircraft time
29,639 hours, 10,434 cycles
Engine
Cfmint CFM567B27E
Part
Egt Indication
Part number
NA
Part serial
NA
Condition
Overtemp
Location
#1 Eng
Stage of operation
TO
How discovered
O
Nature of condition
M
Precautionary procedure
A

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

What was found

LEFT ENG EGT OVERTEMP ON TAKEOFF. 961 FOR 28 SECONDS. STAYED WIT HIN LIMITS AT TH REDUCTION PARAGRAPH 5 B REQUESTING A D.I.P TO BE ACCOMPLISHED WITHIN FIVE DAYS. REF AMM 71-00-00-800-804-F00 PARAGRAPH 5F PERFORMED EEC BITE TEST, NO FAULTS FOUND , ENGINE EXCEEDANCES PAGE SHOWED 961 DEGS FOR 17 SECONDS, DURING TAKEOFF. PER TOMC APPROVES DIP FOR #1 ENG EGT AREA ''A'' T/O EXCEEDANCE . IAW TOMC-APPROVAL FROM SC1ELBYC COMMENT AMM 71-00-00-800-804-F00 PARA F.5 PERFORM T/S ON #1 ENG WITHIN 5 DAYS. COMPLETE FIM 71-06 TASK 805-F00 , STEPS F(2), (3) AND (4), DISCONNECT, CLEAN AND RECONNECT ALL EGT RELATED CONNECTIONS PER EC7710-01089 , PERFORM ENG WATER WASH IF NOT PREVIOUSLY DONE IN THE LAST 90 DAYS. C/W AMM 71-00-00-700-813-F00 TEST 5 ALSO INSPECTED THE INLET AND EXHAUST OF THE #1 ENGINE NO QC DISCREPANCIES FOUND AND NO HISTORY OF ANY ENGINE EXCEEDS QC REVIEWED. INSPECTIONS CREATED BY AUTODIP PENDING AIRCRAFT RECORDS AUDIT & UPDATE. TOMCQC REV PERFORMED THIS DIP BEING CLOSED UPON TRANSFER TO ELB LOG 8706363 FOR #1 ENGINE SERIAL NUMBER 896656 THAT WAS REMOVED FROM AIRCRAFT 0474.