SDR ASAA2013010593611

Service difficulty report · Warning Light · Boeing 737890

Difficulty date: January 5, 2013
Submitted: January 8, 2013
Operation: Air carrier
Aircraft: N563AS
Make and model: Boeing 737890
Aircraft serial: 35180
Aircraft time: 23,626 hours, 7,350 cycles
System (JASC): 2150 · Cabin Cooling System
Part: Warning Light
Condition: Intermittent
Location: Lt A/C Pack
Stage of operation: TX
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

WHEN PRESSING MASTER RECALL, LT PACK LIGHT ILLUMINATES. WHEN PRESSED AGAIN, PACK LIGHT EXTINGUISHES, REF CHECKLIST. PERFORMED PACK ZONE TEMP CONTROLLER BITE REF MM 21-62, TASK 801. BITE CHECKED OK. RAN LT PACK THEN REACCOMPLISHED BITE, BITE PASSES, INTERMITTENT FAULT. NO HISTORY 30 DAYS.