SDR GLBA2015033000508

Service difficulty report · Acm · Beech 1900D

Difficulty date: March 27, 2015
Submitted: March 30, 2015
Operation: Air carrier
Aircraft: N201GL
Make and model: Beech 1900D
Aircraft serial: UE201
Aircraft time: 38,090 hours, 46,347 cycles
System (JASC): 2150 · Cabin Cooling System
Part: Acm
Part number: 7756355
Part serial: WCF3301
Condition: Worn
Part time: 8,524 hours, 9,854 cycles
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

PILOT REPORTED THAT THE PRESSURIZATION OPERATIONS CHECKED GOOD DURING RUN-UP, UPON CLIMB PRESSURIZED TO APPROX DIFF OF 3.0 & FAILED TO FURTHER PRESSURIZE. CABIN ALTITUDE HIGH ANNUNCIATOR ILLUMINATED, DEPLOYED OXYGEN MASKS, DECLARED AN EMERGENCY & RETURNED. R & R ACM IAW MM 21-51-01. OPS CHECKED GOOD.

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