SDR ASAA2016101318331

Service difficulty report · Warning Light · Boeing 737890

Difficulty date: October 13, 2016
Submitted: October 17, 2016
Operation: Air carrier
Aircraft: N517AS
Make and model: Boeing 737890
Aircraft serial: 35197
Aircraft time: 30,068 hours, 8,962 cycles
System (JASC): 2130 · Cabin Pressure Control System
Part: Warning Light
Condition: False Activation
Location: Cabin Pressure
Stage of operation: NR
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

PRESSURIZATION "AUTO FAIL" LIGHT ON, "ALTN" LIGHT ON. ACFT GROUNDED. NR 1 CABIN PRESSURE CONTROLLER BITE SHOWS OFV LRU FAIL CODE 76 FOR PREVIOUS FLT LEG. ACCOMPLISHED PRESSURIZATION SYSTEM GROUND TEST IAW AMM 21-31-00, TEST PASSED, MESSAGES CLEARED, NO HISTORY PAST 90 DAYS.