SDR UIEA2019121806098

Service difficulty report · Sensor · Boeing 7673S1

Difficulty date: December 17, 2019
Submitted: December 23, 2019
Operation: Air carrier
Aircraft: N640GT
Make and model: Boeing 7673S1
Aircraft serial: 25221
Aircraft time: 89,930 hours, 19,146 cycles
System (JASC): 3610 · Pneumatic Distribution System
Part: Sensor
Part number: 7732846
Part serial: 920816
Condition: Failed
Location: Temp
Stage of operation: IN
How discovered: V
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 RH PRSOV REPLACEMENT FOUND FATS 1X SOLENOID WIRE DAMAGED. REMOVED AND REPLACED THE RT FAN AIR MODULATOR VALVE TEMP SENSOR IAW AMM 36-11-17-001. LEAK CHECKED GOOD, BITE CHECKED GOOD, FAN AIR VALVE UNLOCKED FROM INTERMEDIATE POSITION.

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