What was found
CLIMBING THROUGH FL 280 R ELEV PITOT LIGHT CAME ON. CHECKED AND C/B WAS POPPED. GROUNDED - YES. ALTERNATE DEACTIVATION PERFORMED IAW CHAP 5 TABLE 3 ITEM 1. DISCONNECTED PLUG D638. VERIFIED SHORT OF 7.8 OHMS TO GROUND FROM PIN 40. DISCONNECTED PLUG D4826 AND VERIFIED SHORT FROM PIN 2 TO GROUND OF 7.8 OHMS. WILL REQUIRE REPLACEMENT OF R/H ELEV PITOT PROBE PER B737-800 FIM 30-31 TASK 809. RECONNECTED D638 AND D4826. ALTERNATE DEACTIVATION REVERSED. 1 C/B RESET. 1 C/B PULLED AND TAGGED. REMOVED AND INSTALLED R/H ELEV PITOT PROBE PER 27-31-94-400-801. PERFORMED ELEVATOR PITOT SYSTEM LEAK TEST OF L/H AND R/H SIDES PER B737-800 AMM 27-31-17-790-801. LEAK CHECK GOOD. PERFORMED PITOT HEAT SYSTEM TEST PER AMM 30-31-00-730-801. 1 C/B RESET AND TAG REMOVED.