Service difficulty report · Valve · Boeing 737890

Difficulty date
September 9, 2013
Submitted
September 11, 2013
Operation
Air carrier
Aircraft
N568AS
Make and model
Boeing 737890
Aircraft serial
35183
Aircraft time
25,557 hours, 7,953 cycles
Part
Valve
Condition
Open
Location
Anti-Ice System
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

NR 1 COWL ANTI-ICE VALVE & WING CTL FOUND OPEN. ENG NR 2 ANTI-ICE & RAIN CTL (C149) FOUND OPEN. ACFT GROUNDED. INSPECTED WIRING AT P18-3 & NR 1 ENG VALVE ANTI-ICE. NO DEFECTS NOTED. ALSO INSPECTED AT P5-11. NO DEFECTS NOTED. RESET C/BS ENG NR 1 COWL ANTI-ICE VALVE & ENG & WING CTL ENG NR 1, REF MM 20-60-01 & WDM 30-21-11. ACCOMPLISHED ENG NR 1 COWL ANTI ICING OPS TEST, REF MM 30-21-00. NR 1 GROUND VERIFICATION GOOD. INSPECTED WIRING AT PIN-3 & NR 2 ENG NACELLE ANTI-ICE VALVE. NO DEFECTS NOTED. INSPECTED WIRING AT P5-11. NO DEFECTS NOTED. ACCOMPLISHED ENG NR 2 COWL ANTI-ICING OPS TEST REF MM 30-21-00 AND OPS CHECKS GOOD.