SDR P5CA2020091870315

Service difficulty report · Fire Loop · Boeing 7673Y0

Difficulty date: September 17, 2020
Submitted: September 18, 2020
Operation: Air carrier
Aircraft: N642GT
Make and model: Boeing 7673Y0
Aircraft serial: 26207
Aircraft time: 80,584 hours, 22,112 cycles
System (JASC): 2611 · Smoke Detection
Part: Fire Loop
Condition: Inoperative
Location: Lt Engine
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

LEFT ENG LP 1 FIRE LOOP INOP. TRANSFERRED TO MEL NR 26-11-01-01, MDDR NR 134556, CAT C, DUE DATE 27 SEP 20. T/S PER FIM 26-11 FAULT TREE 805, FOUND RESISTANCE ON LOOP AS FOLLOWS: F I D LOWER 4119/4-494K. DMI REMAINS AFT LOWER 4.487/4.492K OPEN. T/S PER FIM 26-11 FT 805 - NO MORE FAULTS FOUND AND PERFORMED OPERATIONAL TEST, PER AMM 26-11-00-705-001, ALL TESTS OK. THIS CLEARS MDDR 134556, PLACARDS REMOVED, MCC ADVISED.

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