What was found
FLAPS FAIL CAUTION MESSAGE AT CRUISE, COMPLIED WITH QRH FOR A FLAPS 0 LANDING. BRAKES 2672 AT GATE. (FLIGHT 3702) REF AML 1952370, REF AML 1952385. TROUBLESHOT REPEAT FLAP FAIL MSG WITH ACFT HARD FAIL. FOUND REPEAT MSG FOR RT BPSU RESOLVER FLAGGED IN MDC. PERFORMED INSULATION CHK OF RT BPSU WITH MEGA OHM METER & FOUND ALL INSULATION CHECKS PASS CHK THE RESISTANCE OF RT BPSU WIRING & FOUND ALL CHECKS PASSING WITH A SLIGHTLY DEGRADED READING INSPD ELECT CONNECTORS P420 & P422 FINDING BOTH CONNECTORS CONTAMINATED WITH CORROSION. CLEANED BOTH CONNECTORS & JACKS & RECHKD WIRING WITH ALL RESISTANCES READING GOOD IAW WD 27-52-02, PERFORMED OPS CHK AFTER RIGGING FLAP SYS ALL CHKD GOOD IAW AMM 27-52-00.