Narrative:

Departed. At climb thrust call (1000 ft AGL) both pilots noticed high frequency flutter from the engines. Noise dissipated after a few mins. Commented that it 'sounded like we had a propeller.' intermediate leveloff at 17000 ft; #1 engine flamed out with no indications or secondary problems. Circled at 17000 ft and carried out QRH procedures for engine failure/shutdown; in-flight engine restart (N1 would not rise above 25%; only one try). Declared an emergency with center and requested a block altitude of 17000 ft to FL180. Advised flight attendants to suspend service and that we would likely be returning to ZZZ. Contacted dispatch through operations frequency and concurred to return to base ZZZ. Advised passenger of the situation. Completed the 1 engine inoperative checklist and flew an ILS runway 24 to uneventful landing; broke out about 1200 ft AGL. Taxied to the gate unassisted and disembarked passenger after brief explanation.

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Original NASA ASRS Text

Title: B737-700 FLT CREW HAS ENG FAILURE; DECLARES EMER AND RETURNS TO DEP ARPT FOR LNDG.

Narrative: DEPARTED. AT CLB THRUST CALL (1000 FT AGL) BOTH PLTS NOTICED HIGH FREQ FLUTTER FROM THE ENGS. NOISE DISSIPATED AFTER A FEW MINS. COMMENTED THAT IT 'SOUNDED LIKE WE HAD A PROP.' INTERMEDIATE LEVELOFF AT 17000 FT; #1 ENG FLAMED OUT WITH NO INDICATIONS OR SECONDARY PROBS. CIRCLED AT 17000 FT AND CARRIED OUT QRH PROCS FOR ENG FAILURE/SHUTDOWN; INFLT ENG RESTART (N1 WOULD NOT RISE ABOVE 25%; ONLY ONE TRY). DECLARED AN EMER WITH CTR AND REQUESTED A BLOCK ALT OF 17000 FT TO FL180. ADVISED FLT ATTENDANTS TO SUSPEND SVC AND THAT WE WOULD LIKELY BE RETURNING TO ZZZ. CONTACTED DISPATCH THROUGH OPS FREQ AND CONCURRED TO RETURN TO BASE ZZZ. ADVISED PAX OF THE SIT. COMPLETED THE 1 ENG INOP CHKLIST AND FLEW AN ILS RWY 24 TO UNEVENTFUL LNDG; BROKE OUT ABOUT 1200 FT AGL. TAXIED TO THE GATE UNASSISTED AND DISEMBARKED PAX AFTER BRIEF EXPLANATION.

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.