SDR I5EA2020071500002

Service difficulty report · Unknown · Boeing 737484

Difficulty date: July 15, 2020
Submitted: July 15, 2020
Operation: Air carrier
Aircraft: N313XA
Make and model: Boeing 737484
Aircraft serial: 25313
Aircraft time: 60,255 hours, 38,574 cycles
System (JASC): 2130 · Cabin Pressure Control System
Part: Unknown
Condition: Malfunctioned
Location: Cabin Pressure
Stage of operation: CR
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 FROM FL330 TO FL350, CABIN ALTITUDE BEGAN TO CLIMB RAPIDLY, AUTO FAIL LIGHT ILLUMINATED, CABIN ALT HORN SOUNDED, SELECTED, SELECTED "STBY" MODE AND CONTROLLED CABIN FOR APPROX 2 MIN THEN RAPIDLY CLIMB, SELECT "MAIN" AC, REFER TO QRH PROCEDURE 2-1.