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SDR ASAA2020072832943

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Service difficulty report · Terminal · Boeing 737890

FAA SDR system

Difficulty date
July 28, 2020
Submitted
July 28, 2020
Operation
Air carrier
Aircraft
N587AS
Make and model
Boeing 737890
Aircraft serial
35684
Aircraft time
47,738 hours, 13,885 cycles
System (JASC)
2697 · Fire Protection System Wiring
Part
Terminal
Part number
3250276060
Condition
Loose
Location
Fire Loop
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

ACCOMPLISHED TROUBLESHOOTING RECOMMENDATIONS PER TSR705030 FOR HISTORY OF #1 ENGINE B LOOP NOT TESTING PROPERLY AND CAUSING DELAYS. RESISTANCE CHECK OF ENG 1 LOOP B FROM CONNECTOR D1002. CHECKS WITHIN LIMITS. REF B737-800 FIM 26-10 TASK 805. RIGHT CORE DETECTOR TERMINAL FOUND LOOSE ON MW0326 HARNESS. GROUNDED - YES. REINSTALLED M279 AND SECURED. REPLACED MW0326 HARNESS. OPERATIONAL TEST PASSES REF B737-800 AMM 26-11-02/401.