SDR AALA201907229022

Service difficulty report · Warning System · Boeing 737823

Difficulty date: July 20, 2019
Submitted: July 23, 2019
Operation: Air carrier
Aircraft: N844NN
Make and model: Boeing 737823
Aircraft serial: 33212
Aircraft time: 28,904 hours, 11,673 cycles
System (JASC): 2130 · Cabin Pressure Control System
Part: Warning System
Condition: False Activation
Location: Cockpit
Stage of operation: CL
How discovered: O
Nature of condition: N
Precautionary procedure: O

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

What was found

AIRCRAFT NOT GROUNDED: PILOT REPORTS ON CLIMBOUT, PASSING 10,000 FT, CABIN ALTITUDE WARNING LIGHT ILLUMINATED AND HORN WENT OFF. PF LEVELLED AIRCRAFT AT 10,000 FT. PNF RAN QRH TO COMPLETION, REGAINING PRESSURIZATION CONTROL IN MANUAL MODE. MAINTENANCE PERFORMED BITE TEST ON DCPC 1 AND 2 IAW FIM 21-31-00-810-801. NO FAULTS NOTED. TEST OKAY.