An A300 aircraft was found with pressure fueling caps missing on block-in.

Attributes
ACN	742645
Time
Date	200706
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : ont.airport
State Reference	CA
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	tower : zzz.tower
Operator	common carrier : air carrier
Make Model Name	A300
Operating Under FAR Part	Part 121
Flight Phase	ground : preflight
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
ASRS Report	742645
Events
Anomaly	aircraft equipment problem : less severe non adherence : far non adherence : published procedure
Independent Detector	aircraft equipment other aircraft equipment : fuel cap not installed
Resolutory Action	none taken : detected after the fact
Consequence	other
Factors
Maintenance	performance deficiency : installation performance deficiency : non compliance with legal requirements
Supplementary
Problem Areas	Aircraft Maintenance Human Performance
Primary Problem	Maintenance Human Performance

Narrative:

Fuel caps left off for flight. Aircraft was still being fueled during captain's walkaround. Caps discovered missing on block-in.

Original NASA ASRS Text

Title: AN A300 ACFT WAS FOUND WITH PRESSURE FUELING CAPS MISSING ON BLOCK-IN.

Narrative: FUEL CAPS LEFT OFF FOR FLT. ACFT WAS STILL BEING FUELED DURING CAPT'S WALKAROUND. CAPS DISCOVERED MISSING ON BLOCK-IN.

Data retrieved from NASA's ASRS site as of January 2009 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.