SDR 2003FA0001262

Service difficulty report · Vent · Aviat A1A

Difficulty date: November 20, 2003
Submitted: December 22, 2003
Operation: General aviation
Aircraft: N49349
Make and model: Aviat A1A
Aircraft serial: 1149
Engine: Lyc O360*
System (JASC): 2820 · Aircraft Fuel Distribution System
Part: Vent
Condition: Obstructed
Location: Fuel System
Stage of operation: NR
How discovered: 9
Nature of condition: O
Precautionary procedure: O

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

What was found

ON RUNUP, ENGINE WOULD QUIT. ALLOWED TO SIT APPROX 3 MINUTES, IT WOULD START AND RUN, THEN QUIT. WHEN FUEL CAP WAS REMOVED A WHOOSH OF INCOMING AIR WAS HEARD. ENGINE RAN WITH THE CAP OFF. SUSPECT ICE BLOCKING FUEL VENT LINES INSIDE WING. AFTER OVERNIGHT IN HANGER, BOTH VENTS FREE.

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