Narrative:

Holding short, #1 for takeoff for runway 22L at ZZZ, at approximately XA14 on may/sun/03, we saw a small balloon drifting across the runway toward us. It blew underneath the nose, drifting to our right and we lost sight of it. We noted no changes on the engine instruments, but queried the air carrier Y behind us. They reported seeing debris come out #2 engine. We informed tower and parked in the run-up pad until we had coordinated with maintenance. We returned to the gate area for a visual inspection by station maintenance. Engine remained in idle until shutdown on taxi back for inspection. After visual inspection (maintenance reported debris came out of engine as we parked), station maintenance cleared us. We contacted maintenance for clearance to proceed. After approval, we restarted #2, taxied and flew remainder of flight uneventful. No engine deviations noted. Engineering note entered in logbook.

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Original NASA ASRS Text

Title: A B737-300,, WHILE HOLDING FOR TKOF, INGESTED A BALLOON INTO THE R ENG. ENG CHKED BY MAINT AND FOUND ENG OK FOR SVC.

Narrative: HOLDING SHORT, #1 FOR TKOF FOR RWY 22L AT ZZZ, AT APPROX XA14 ON MAY/SUN/03, WE SAW A SMALL BALLOON DRIFTING ACROSS THE RWY TOWARD US. IT BLEW UNDERNEATH THE NOSE, DRIFTING TO OUR R AND WE LOST SIGHT OF IT. WE NOTED NO CHANGES ON THE ENG INSTS, BUT QUERIED THE ACR Y BEHIND US. THEY RPTED SEEING DEBRIS COME OUT #2 ENG. WE INFORMED TWR AND PARKED IN THE RUN-UP PAD UNTIL WE HAD COORDINATED WITH MAINT. WE RETURNED TO THE GATE AREA FOR A VISUAL INSPECTION BY STATION MAINT. ENG REMAINED IN IDLE UNTIL SHUTDOWN ON TAXI BACK FOR INSPECTION. AFTER VISUAL INSPECTION (MAINT RPTED DEBRIS CAME OUT OF ENG AS WE PARKED), STATION MAINT CLRED US. WE CONTACTED MAINT FOR CLRNC TO PROCEED. AFTER APPROVAL, WE RESTARTED #2, TAXIED AND FLEW REMAINDER OF FLT UNEVENTFUL. NO ENG DEVS NOTED. ENGINEERING NOTE ENTERED IN LOGBOOK.

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.