Service difficulty report · Engine · Boeing 78710

Difficulty date
October 26, 2023
Submitted
November 3, 2023
Operation
Air carrier
Aircraft
N91007
Make and model
Boeing 78710
Aircraft serial
40929
Aircraft time
18,829 hours, 2,958 cycles
Part
Engine
Part number
GENX1B76P2G01
Part serial
958057
Condition
Fod
Location
Nr 2
Part time
23,517 hours, 2,502 cycles
Stage of operation
UK
How discovered
9
Nature of condition
C
Precautionary procedure
O

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

What was found

REF LOG 6126157 EGC FOR ENGINE 2 DMS INSPECTION, BASED ON UPDATED FINDINGS NEED TO ACCOMPLISH AMM G79-00-00-03B-280B-A PARA 1.B. 2) (FLAKES,MORE THAN 6) IMAGE ATTACHED. E2 ESN 958057 HAS HAD AN DMS CHIP COUNT INCREASE FROM THE LAST FLIGHT. PLEASE PERFORM AMM 79-00-00-03B-280B, DEBRIS MONITORING S YSTEM SENSOR - DETAILED INSPECTION. REMOVED ENG 2 DMS REF AMM 79-00-00-03B-280B. FOUND DEBRIS ON DMS. PHOTOS INCLUDED. DMS SENSOR NEEDS TO BE REINSTALLED, ADD EMP:U108905 PENDING EVALUATION OF DEBRIS. IDT REQUIREMENTS COMPLIED WITH PER GMM 09-10-05 REINSTALLED #2 ENG DEBRIS MONITOR SENSOR REF AMM G79-21-12-01A-720A-A. RESET DMS COUNT PER AMM. DEBRIS SAMPLE HANDED OVER TO LOCAL MANAGEMENT FOR SHIPPING. SEE LP6128407 FOR ADDITIONAL INSPECTIONS. ACCOMPLISHED IDT INSPECTION OF #2 ENG DMS INSTALLATION. PLEASE DO NOT CLEAR THIS L/P UNTIL FINAL DISPOSITION FROM EMC. UNLOCK FOR INSPECTION. ACCOMPLISHED ENGINE OIL SYSTEM SCAVENGE OIL INLET SCREENS, MAGNETIC CHIP DETECTORS, AND OIL FILTER DETAILED INSPECTION REF.AMM 79-00-00-04A-280B-A WITH NO DEFECTS NOTED.

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