SDR SWAA2016110909548

Service difficulty report · Controller · Boeing 7377H4

Difficulty date: November 8, 2016
Submitted: November 9, 2016
Operation: Air carrier
Aircraft: N718SW
Make and model: Boeing 7377H4
Aircraft serial: 27852
Aircraft time: 65,299 hours, 38,420 cycles
System (JASC): 2131 · Cabin Pressure Controller
Part: Controller
Part number: 71211997101AC
Part serial: 9712091
Condition: Faulty
Location: Cabin Pressure
Stage of operation: NR
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

CABIN PRESSURE FAILED AT TOD, THROTTLES RETARDED AND CABIN PRESSURE WAS LOST. MANUAL SELECTED & CABIN PRESSURE RISE STOPPED AT 11,000 MSL, THEN PRESSURE RECOVERED TO 5000' EMERGENCY DESCENT CONTINUE TO 24,000 THEN FURTHER TO 16000'. DECLARED EMERGENCY. R & R NR 1 CABIN PRESSURE CONTROLLER IAW AMM.

More about the Boeing 737-7H4