Narrative:

Our originating flight was delayed over four hours out of ZZZ. Company maintenance was working the problem of a fuel leak on the number 2 (right) engine. Company maintenance signed-off the leak as 'within limits' on the [log] page prior to the contract maintenance write-up stating that the leak was out of limits. We questioned the mechanic about the seemingly backwards write-up; and were told that it was satisfactory. Upon arriving at ZZZ1; the engine was still leaking and maintenance informed us that the write-up was not satisfactory and the aircraft was taken out of service. [Recommend to] double check with maintenance control if you have questions. Improper mechanic logbook sign-off.

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Original NASA ASRS Text

Title: After arrival; a Captain and First Officer were informed by Company Base Maintenance personnel that Logbook Corrective Action entries at their previous departing station for Number 2 (Right) Engine fuel leaking were incorrect and the B737-300 aircraft had to be grounded.

Narrative: Our originating flight was delayed over four hours out of ZZZ. Company Maintenance was working the problem of a fuel leak on the Number 2 (Right) Engine. Company Maintenance signed-off the leak as 'within limits' on the [Log] page prior to the Contract Maintenance write-up stating that the leak was out of limits. We questioned the Mechanic about the seemingly backwards write-up; and were told that it was satisfactory. Upon arriving at ZZZ1; the engine was still leaking and Maintenance informed us that the write-up was not satisfactory and the aircraft was taken out of service. [Recommend to] double check with Maintenance Control if you have questions. Improper Mechanic Logbook sign-off.

Data retrieved from NASA's ASRS site 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.