As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 119 - TIJ-GDL - PILOT REPORTED THAT L HYD PRESS LOW LIGHT DOES NOT TURN ON. LOW PRESSURE SWITCH WAS CHECKED AN SEVERAL CYCLES WERE PERFORMED WITH THE CONTROL SURFACES. RELAYS R2-497 AND R2-498 WERE SWAPPED, TESTS OK. DURING TRANSIT CHECK IN GDL BOTH RELAYS WERE REPLACED IAW MM 29-30-04. RELAYS WERE VERIFIED AGAIN IAW MM 29-30-00, TESTS OK. (M)