B737-300 EXPERIENCES A #1 ENG OVERHEAT WARNING ON CLBOUT FROM ALB. SLOW ENG FAULT RESPONSE TO CHKLIST USE. RETURN LAND WITH EMER DECLARED. FAULT FINALLY CORRECTED ITSELF. LANDED ALB.

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DURING CLB THE FIRE WARNING 'FAULT' LIGHT FLICKERED. CAPT TESTED THE FIRE WARNING AND DETERMINED WE HAD A BAD 'B' LOOP ON #2. RETESTED WITH SELECTOR ON 'A' AND GOT GOOD TEST; MOMENTS LATER WE OBSERVED A #1 ENG OVERHEAT. PROCEEDED WITH THE ENG OVERHEAT PROC. WHEN THE LIGHT DID NOT GO OUT; CAPT STARTED A TURN BACK TO ALB AND PROCEEDED WITH THE ENG FIRE/SEVERE DAMAGE OR SEPARATION CHKLIST. AS WE WERE ABOUT TO START THE CHKLIST; THE OVERHEAT LIGHT WENT OUT. WE CONTINUED TO ALB; DECLARED AN EMER; AND LANDED UNEVENTFULLY WITH BOTH ENGS RUNNING. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: RPTR STATED THAT THE POSTFLT INSPECTION FOUND SOME GREASE ON THE LOOP CONNECTORS ON THE #1 ENG. THE PAX WERE PROTECTED ON ANOTHER FLT. AFTER MAINT WAS COMPLETED THE ACFT WAS REPOSITIONED ON A NON REVENUE FLT TO BOS; THE ORIGINAL DEST ARPT. THE AIRLINE SAID THAT THEY DID NOT WANT THE FIRST FLT AFTER CORRECTIVE MAINT TO BE CARRYING PAX. A MODIFIED FERRY FLT SO TO SPEAK. THE LOOP ON #2 ENG WAS IN PROPER WORKING ORDER. THERE WAS NO COMMON ANOMALY THAT CREATED THESE SEPARATE INDICATION PROBS.