Narrative:

On ILS runway 10 sju level 2000 ft aircraft was climbing into our altitude on same path. I broke off approach with climbing left turn. ATC was notified. Approach operations error was indicated. No TCASII advisories. Aircraft passed within 1/2 mi same altitude. ATC was no help. Aircraft was military transport. IMC conditions prevailed.

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Original NASA ASRS Text

Title: AN APCH WAS ABANDONED AT LUIS MUNOZ MARIN INTL ARPT SAN JUAN, PUERTO RICO WHEN UNRPTED TFC IS OBSERVED.

Narrative: ON ILS RWY 10 SJU LEVEL 2000 FT ACFT WAS CLBING INTO OUR ALT ON SAME PATH. I BROKE OFF APCH WITH CLBING L TURN. ATC WAS NOTIFIED. APCH OPS ERROR WAS INDICATED. NO TCASII ADVISORIES. ACFT PASSED WITHIN 1/2 MI SAME ALT. ATC WAS NO HELP. ACFT WAS MIL TRANSPORT. IMC CONDITIONS PREVAILED.

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.