Narrative:

During preflight examination of aircraft log, I noticed maintenance had been on the aircraft the night before changing a start switch. I briefly mentioned this to the captain, because several switches were in the wrong position. He acknowledged and we proceeded to our first stop. After a brief stop we began the pushback and the #1 engine shut down on its own. We restarted the engine and continued on. During the climb out I remembered the write-up from the night before and realized it was the same problem. In retrospect we should have had maintenance look at the engine before we continued on. On this final leg a check airman was line checking the captain. I didn't voice my concern because of 2 check airmen in command of the aircraft. I should have voiced my concern. Callback conversation with reporter revealed the following information: the reporter stated the aircraft was a B737-300 with cfm 56-3B engines. The reporter said on the second start and with the engine hesitating when moving the power lever off idle he became concerned. The reporter said after 1 rollback, flameout and the hesitation at idle power, the engine operated normally the remainder of the day.

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Original NASA ASRS Text

Title: A B737-300 DURING PUSHBACK THE #1 ENG ROLLED BACK AND FLAMED OUT. ENG WAS RESTARTED AND HESITATED BTWN 50-60% WHEN ADVANCING THE PWR LEVER. ENG OPERATED NORMALLY ABOVE IDLE PWR.

Narrative: DURING PREFLT EXAMINATION OF ACFT LOG, I NOTICED MAINT HAD BEEN ON THE ACFT THE NIGHT BEFORE CHANGING A START SWITCH. I BRIEFLY MENTIONED THIS TO THE CAPT, BECAUSE SEVERAL SWITCHES WERE IN THE WRONG POS. HE ACKNOWLEDGED AND WE PROCEEDED TO OUR FIRST STOP. AFTER A BRIEF STOP WE BEGAN THE PUSHBACK AND THE #1 ENG SHUT DOWN ON ITS OWN. WE RESTARTED THE ENG AND CONTINUED ON. DURING THE CLBOUT I REMEMBERED THE WRITE-UP FROM THE NIGHT BEFORE AND REALIZED IT WAS THE SAME PROB. IN RETROSPECT WE SHOULD HAVE HAD MAINT LOOK AT THE ENG BEFORE WE CONTINUED ON. ON THIS FINAL LEG A CHK AIRMAN WAS LINE CHKING THE CAPT. I DIDN'T VOICE MY CONCERN BECAUSE OF 2 CHK AIRMEN IN COMMAND OF THE ACFT. I SHOULD HAVE VOICED MY CONCERN. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE ACFT WAS A B737-300 WITH CFM 56-3B ENGS. THE RPTR SAID ON THE SECOND START AND WITH THE ENG HESITATING WHEN MOVING THE PWR LEVER OFF IDLE HE BECAME CONCERNED. THE RPTR SAID AFTER 1 ROLLBACK, FLAMEOUT AND THE HESITATION AT IDLE PWR, THE ENG OPERATED NORMALLY THE REMAINDER OF THE DAY.

Data retrieved from NASA's ASRS site as of July 2007 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.