SDR UIEA2018110102476

Service difficulty report · Sensor · Boeing 76731A

Difficulty date: September 28, 2018
Submitted: November 1, 2018
Operation: Air carrier
Aircraft: N662GT
Make and model: Boeing 76731A
Aircraft serial: 27619
Aircraft time: 73,158 hours, 14,421 cycles
System (JASC): 2160 · Cabin Temperature Control System
Part: Sensor
Condition: Malfunctioned
Location: Cockpit Temp
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

DURING ENGINE RUNS WITH PACKS OPERATING, THE LEFT PACK OUT TEMP READS -12. TROUBLESHOT IAW FIM 21-61-FT, AND FIM 21-61-FT803. FOUND THE FLIGHT DECK ZONE TEMP SENSOR WITH A FAULT INDICATION. PERFORMED A BITE TEST & RESET THE CONTROLLER IAW AMM 21-51-14-705-035. PERFORMED A COOLING PACK TEST IAW AMM 21-51-03-404-016. OPS CHECKED GOOD.

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