What was found
FLT 8452 - AFTER TAKEOFF WITH GEAR RETRACTED, ANTI-SKID HYD LIGHT AND RED PARK LIGHT ILLUMINATED. A/C DIVERTED TO FRA. CLEANED CANNON PLUG AT PARKING BRAKE VALVE. SYSTEM CHECKS NORMAL. ALL INDICATIONS NORMAL PER MM 32-41-00. AS PRECAUTION MCC ISSUED ITEM TO REPLACE PARKING BRAKE VALVE AT ORD. PARKING BRAKE MODULAR REPLACED PER AMM 32-44-04. OPS AND LEAK CHECK GOOD. REF LOG PAGE 554769, S/N OFF DA365. (M)