SDR WRNA201412080026

Service difficulty report · Warning Message · Boeing 7474R7F

Difficulty date: December 4, 2014
Submitted: December 8, 2014
Operation: Air carrier
Aircraft: N901AR
Make and model: Boeing 7474R7F
Aircraft serial: 25868
Aircraft time: 86,372 hours, 16,313 cycles
System (JASC): 2130 · Cabin Pressure Control System
Part: Warning Message
Condition: Activated
Location: Cabin Pressure
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

DURING CLIMB AT 9000 FT AGL, THERE WAS A CABIN ATTITUDE WARNING WITH AUDIO WARNING. PERFORMED QRH. PROCEEDED TO LEVEL OFF AT 14000' DUE TO TERRAIN. RETURNED TO AIRPORT. ALL CHECKLIST WERE COMPLETED. ACCOMPLISHED FIM 21-31, TASK 840, UNTIL STEP 3, PERFORMED CPCS GROUND TEST IAW AMM 21-31-00. SYSTEM OK.

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