SDR ASAA2015050911650

Service difficulty report · Cabin Pressure · Boeing 737990ER

Difficulty date: May 9, 2015
Submitted: May 11, 2015
Operation: Air carrier
Aircraft: N461AS
Make and model: Boeing 737990ER
Aircraft serial: 36363
Aircraft time: 4,381 hours, 1,457 cycles
System (JASC): 2130 · Cabin Pressure Control System
Part: Cabin Pressure
Condition: Malfunctioned
Stage of operation: TX
How discovered: 9
Nature of condition: J
Precautionary procedure: O

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

What was found

DURING TAXI AUTO FAIL LIGHT ILLUMINATED AND ALTN FOR PRESSURIZATION SYS. ACFT GROUNDED. FAULT OCCURED ON THE GROUND, MODE SELECTOR MOMENTARILY SELECTED TO MANUAL THEN BACK TO AUTO, AUTO FAIL LIGHT EXTINGUISHED, NO FURTHER FAULTS FOUND, NO HISTORY FOR 30 DAYS.