SDR SWIA201436001

Service difficulty report · Controller · Emb EMB120ER

Difficulty date: January 11, 2014
Submitted: January 17, 2014
Operation: Air carrier
Aircraft: N308SW
Make and model: Emb EMB120ER
Aircraft serial: 120326
Aircraft time: 37,091 hours, 47,746 cycles
System (JASC): 2131 · Cabin Pressure Controller
Part: Controller
Condition: Failed
Location: Cabin Pressure
Stage of operation: CL
How discovered: O
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

AFTER TAKEOFF, CABIN PRESSURE DESCENDS GREATER THAN 2000 FEET PER MINUTE FOLLOWED BY A GREATER THAN 2000 FEET PER MINUTE CLIMB. RATE STABILIZES AFTER POWER REDUCTION & ABOVE 10,000 FT MSL. FLT 7387 REPLACED MANUAL CONTROLLER IAW AMM & ALTITUDE ECU IAW AMM. PN 912R0201, SN ON 01055, SN OFF 890, PN: 22201T011400, SN ON 381 & SN OFF 249.

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