A300 flight crew reported a fuel clog warning during climb and subsequent return to base.

Narrative:

On climb out passing 10;500 feet MSL at climb power; pilot flying identified fuel clog light illuminated on number 1 engine without ECAM message. We elected to level off at 12;000 feet MSL and as the thrust reduced the fuel clog light extinguished. Once stabilized at altitude and on a vector with ATC; we searched the QRH guidance regarding a fuel clog. We could not find direction other than systems knowledge and we determined there was potential for contaminated fuel. We contacted maintenance personnel but they did not have additional guidance. We elected to return to ZZZ. We coordinated an in-flight divert but did not request assistance or priority. The approach and landing were completed without further incident. From an operations point of view it would be nice to have something in the QRH with some guidance. In my view; any light or ECAM message that can possibly come up or illuminate should have a reference in the QRH. Even if it is minimal; it would give us as aircrew a starting point. We can always execute judgment; but would be nice to know what the company and engineers have to say about a specific malfunction. If they thought it was important enough to install a light in the cockpit; there should be guidance to the pilots on how to interpret that light.

Original NASA ASRS Text

Title: A300 flight crew reported a FUEL CLOG warning during climb and subsequent return to base.

Narrative: On climb out passing 10;500 feet MSL at climb power; Pilot Flying identified FUEL CLOG light illuminated on number 1 engine without ECAM message. We elected to level off at 12;000 feet MSL and as the thrust reduced the FUEL CLOG light extinguished. Once stabilized at altitude and on a vector with ATC; we searched the QRH guidance regarding a fuel clog. We could not find direction other than systems knowledge and we determined there was potential for contaminated fuel. We contacted maintenance personnel but they did not have additional guidance. We elected to return to ZZZ. We coordinated an in-flight divert but did not request assistance or priority. The approach and landing were completed without further incident. From an operations point of view it would be nice to have something in the QRH with some guidance. In my view; any light or ECAM message that can possibly come up or illuminate should have a reference in the QRH. Even if it is minimal; it would give us as aircrew a starting point. We can always execute judgment; but would be nice to know what the company and engineers have to say about a specific malfunction. If they thought it was important enough to install a light in the cockpit; there should be guidance to the pilots on how to interpret that light.

Data retrieved from NASA's ASRS site 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.

Attributes
ACN	1450878
Time
Date	201705
Local Time Of Day	0001-0600
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	VMC
Aircraft 1
Make Model Name	A300
Operating Under FAR Part	Part 121
Flight Phase	Climb
Flight Plan	IFR
Component
Aircraft Component	Powerplant Fuel System
Person 1
Function	Pilot Not Flying First Officer
Qualification	Flight Crew Air Transport Pilot (ATP)
Person 2
Function	Pilot Flying Captain
Qualification	Flight Crew Air Transport Pilot (ATP)
Events
Anomaly	Aircraft Equipment Problem Less Severe