Service difficulty report · Wire Harness · Boeing 73779P

Difficulty date
August 15, 2026
Submitted
August 20, 2026
Operation
Air carrier
Aircraft
N7861J
Make and model
Boeing 73779P
Aircraft serial
33008
Aircraft time
58,215 hours, 39,119 cycles
Part
Wire Harness
Condition
Broken
Location
Fire Loop
Stage of operation
TX
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

NR 2 ENGINE -A- FIRE DETECTION LOOP INOP T/S PER FIM 26-10 TASK 801. FOUND ENGINE #2 LOOP A CORE LEFT HARNESS BROKEN AT LOOP ELEMENT. REMAINING HARNESS TOO SHORT FOR REPAIR. REQUIRES HARNESS CHANGE/CORE HARNESS MOD. REMAINS ON MEL. OPENED ENGINE PER AMM 71-11-02 AND CHECKED FIRE HARNESS WRONG PARTS SENT PART REQUIRED PER AIPC 26-11-02-01 PLACED ON ORDER. PERFORMED MW0325 LOOP A MOD IAW AMM 26-11-02 AND TASK 2611-C-00009-NG OPS CHECKS GOOD. REF. LP 2909679& TTG8Q01DU0N8 FOR FURTHER OPERATIONAL CHECKS AND RII REQUIREMENTS PERFORMED MW0325 LOOP A MOD IAW AMM 26-11-02 AND TASK 2611-C-00009-NG OPS CHECKS GOOD. REF. LP 2909679& TTG8Q01DU0N8 FOR FURTHER OPS CHKD AND RII REQUIREMENTS.

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