SDR ANCF200700019

Service difficulty report · Fire Loop · Boeing 757236

Difficulty date: July 26, 2007
Submitted: July 27, 2007
Operation: Air carrier
Aircraft: N522NA
Make and model: Boeing 757236
Aircraft serial: 25133
Aircraft time: 36,937 hours, 16,284 cycles
Engine: Rroyce RB211*
System (JASC): 2611 · Smoke Detection
Part: Fire Loop
Condition: Malfunctioned
Location: Nr 1 Nacelle
Stage of operation: CL
How discovered: O
Nature of condition: N
Precautionary procedure: F, A

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

What was found

PILOT REPORT: RT ENGINE FIRE AT MDE THE FAULT WAS PRESENTED AFTER 5 MIN OF DEPARTURE. BOTTLE NR 1 WAS DISCHARGED AND RETURNED TO MDE WITH NORMAL LANDING FLIGHT TIME WITH SINGLE ENG +/- 13 MTS. INSPECTED RT ENGINE IAW AMM 71-00-00 PAGE 604. NO FIRE EVIDENCE FOUND. REPLACED FIRE LOOP HARNESS BETWEEN DETECTOR N 3 AND 4. CVR REPLACED IN ACCORDANCE WITH AMM 23-71-01 INSTALLATION TEST OK FDR REPLACED IAW AMM 31-31-01 INSTALLATION TEST OKREPLACED N.1 ENGINE FIRE EXTINGUISHER BOTTLE IAW AMM 26-21-01 PAGE 401.