SDR UIEA2013080100421

Service difficulty report · Actuator · Boeing 7673S1

Difficulty date: August 1, 2013
Submitted: August 1, 2013
Operation: Air carrier
Aircraft: N640GT
Make and model: Boeing 7673S1
Aircraft serial: 25221
Aircraft time: 72,343 hours, 15,229 cycles
System (JASC): 2150 · Cabin Cooling System
Part: Actuator
Part number: 20224324
Part serial: 403390
Condition: Inoperative
Location: Lt A/C Pack
Stage of operation: TX
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

LEFT A/C PACK INOPERATIVE LIGHT ILLUMINATED. OUTLET RAM ACTUATOR FAULT LIGHT ILLUMINATED ON LT PACK DURING BITE CHECK. REPLACED OUTLET RAM AIR DOOR ACTUATOR IAW AMM 21-53-04, OPS CHECK NORMAL. REPLACED THE STBY COMPRESSOR SENSOR IAW AMM 21-51-06, OPS CHECK NORMAL, THIS CLEARS MDDR 41735. PLACARD REMOVED.

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