SDR HALA2011052400225

Service difficulty report · Controller · Boeing 76733A

Difficulty date: May 24, 2011
Submitted: May 25, 2011
Operation: Air carrier
Aircraft: N583HA
Make and model: Boeing 76733A
Aircraft serial: 25531
Aircraft time: 82,894 hours, 14,946 cycles
System (JASC): 2150 · Cabin Cooling System
Part: Controller
Condition: Malfunctioned
Location: Pack Temp
Stage of operation: DE
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

ETOPS SIGNIFICANT SYS - ON DESCENT AT 10,000 FT RT PACK TEMP EICAS MSG FOR AT 5 SECS-RT PACK BITE-RT PACK TEMP ON LOWER EICAS AFTER BLOCK IN. PERFORMED BITE TEST IAW FIM 21-51-00/101, FIG 103. FAULTS CONTROLLER AND RAM AIR IN ACTUATOR, PERFORMED VERIFY CHECKED NORMAL, MSG CLEARED, BITE TEST OK.

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