SDR ASAA2016121619058

Service difficulty report · Terminal · Boeing 737890

Difficulty date: December 16, 2016
Submitted: December 19, 2016
Operation: Air carrier
Aircraft: N588AS
Make and model: Boeing 737890
Aircraft serial: 35685
Aircraft time: 34,744 hours, 10,564 cycles
System (JASC): 2697 · Fire Protection System Wiring
Part: Terminal
Condition: Loose
Location: Detector
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

MAINT ENTRY: DURING FIRE TEST OF FIRE DISCHARGE HANDLES, NR 1 FIRE DISCHARGE HANDLE LIGHTS INOPERATIVE. ACFT GROUNDED. TROUBLESHOT IAW FIM 26-10 TASK 801, FAULT 31 ENG WIRING OPEN FOR DETECTOR FAULT A LOOP. GVI DETECTOR LOOP A, FOUND LOOSE TERMINAL ON LT CORE DETECTOR M1759 LOWER TERMINAL. CLEANED TERMINAL AND SECURED IAW AMM 26-11-01-400-801. BITE TEST AND SYS GROUND VERIFICATION TEST OK IAW AMM 26-11-00-710-801.