SDR CALA2024081902231

Service difficulty report · Control Panel · Boeing 737824

Difficulty date: August 15, 2024
Submitted: August 19, 2024
Operation: Air carrier
Aircraft: N7312
Make and model: Boeing 737824
Aircraft serial: 64609
Aircraft time: 4,031 hours, 1,423 cycles
System (JASC): 2130 · Cabin Pressure Control System
Part: Control Panel
Part number: 10194392001
Part serial: 7156057
Condition: Faulted
Location: Cockpit
Part time: 4,028 hours, 1,421 cycles
Stage of operation: CR
How discovered: O
Nature of condition: J
Precautionary procedure: B

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

What was found

AUTOFAIL LIGHT AND ALTN LIGHT ILLUMINATED AT CRZ FL360 BOTH CPC FAULTING MANUAL SWITCH, AND PANEL. REPLACED OVERHEAD CP CONTROL MODULE AND TESTED OK, REF AMM21-31-02-000-801. PARTS USED: 29-2131-9-0006,QTY :1 1553009,QTY :1 ADD EMP:U037824 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1553009 SN OFF 6057 PANEL, PRESS, C OFF 29-2131-9-0006 6057 ON 29-2131-9-0006 8139