Narrative:

Climbing through FL260, we received an aft cargo door caution and a proximity system fault status message. We complied with the appropriate aom volume 1 procedures, and the cabin pressure was normal. I contacted dispatch and moc. Dispatch requested we return to ZZZ. Returned to ZZZ and made a normal landing.

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Original NASA ASRS Text

Title: A CANADAIR CL-65 IN CLB PASSING FL260 DIVERTED DUE TO AN AFT CARGO DOOR WARNING LIGHT. CABIN PRESSURE WAS NORMAL.

Narrative: CLBING THROUGH FL260, WE RECEIVED AN AFT CARGO DOOR CAUTION AND A PROX SYS FAULT STATUS MESSAGE. WE COMPLIED WITH THE APPROPRIATE AOM VOLUME 1 PROCS, AND THE CABIN PRESSURE WAS NORMAL. I CONTACTED DISPATCH AND MOC. DISPATCH REQUESTED WE RETURN TO ZZZ. RETURNED TO ZZZ AND MADE A NORMAL LNDG.

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.