SDR SWAA106532

Service difficulty report · Controller · Boeing 7375H4

Difficulty date: October 18, 2010
Submitted: October 22, 2010
Operation: Air carrier
Aircraft: N526SW
Make and model: Boeing 7375H4
Aircraft serial: 26568
Aircraft time: 57,882 hours, 55,183 cycles
System (JASC): 2130 · Cabin Pressure Control System
Part: Controller
Part number: 7638106
Part serial: C94020017
Condition: Failed
Location: Cockpit
Stage of operation: CR
How discovered: O
Nature of condition: P
Precautionary procedure: O

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

What was found

DECLARED EMERGENCY, CABIN ALTITUDE HORN SOUNDED IN CRUISE, 34,000FT, CABIN ALTITUDE SHOWED 10,000 CLIMBING FORM 1,000FPM. NO AUTO FAIL LIGHT. COMPLIED WITH QRH. FOUND PRESSURE CONTROLLER FAILED PER MT. REMOVED AND REPLACED CONTROLLER PER MM.

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