SDR FDEA201604281421

Service difficulty report · Warning System · Boeing 75728A

Difficulty date: April 28, 2016
Submitted: April 28, 2016
Operation: Air carrier
Aircraft: N968FD
Make and model: Boeing 75728A
Aircraft serial: 26274
Aircraft time: 72,553 hours, 19,682 cycles
System (JASC): 2130 · Cabin Pressure Control System
Part: Warning System
Condition: False Activation
Location: Cockpit
Stage of operation: DE
How discovered: O
Nature of condition: N
Precautionary procedure: G

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

What was found

MASTER WARNING & CABIN ALTITUDE EICAS CAME ON JUST PRIOR TO DESCENT. DONNED OXYGEN MASKS & COMPLIED WITH QRH. RECEIVED DESCENT FROM ATC & WARNING WENT AWAY DESCENDING THROUGH 15,000. LEVELED AT 13,000 & REMAINDER OF FLIGHT WAS UNEVENTFUL. COMPLIED WITH AUTO 1 & 2 CABIN PRESS CONTROLLER BITE TEST, PRESSURIZATION SYS ADJUSTMENT & TEST. OPERATIONS CHECKED NORMAL, BOTH CONTROLLERS SHOWING NO FAULTS. NO EICAS MSGS PRESENT & NO HISTORY 90 DAYS.

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