What was found
RIGHT GEN CONT TRIPPED INFLIGHT CLIMBING THRU FL270 GENERATOR RESET PER FLIGHT MANUAL PROCEDURES WITHOUT ANY RECURRENT ISSUES. AS R EEC FAULT PIMU RECAL TEST PERFORMED IAW AMM 77-35-00-742 FAULT T2/P2 PRB HT AND 28V PERF SOL PWR. TS C/O IAW 73-21. PERF SOL PWR. FIM 71-01T881, SUSPECTED FAULT TRIGGERED DUE PWR LOST FOR MORE THAN 10SECONDS FOLLOW TS BPCU BITE TEST IAW FIM 24-20/801 .GEN WIRING GCU. REF TO FIM 24-20-00/201 TC 804 GEN CB C903 & GCU M146 NEED TO BE REPLACED RIGHT ENG GCB (C903) REPLACED IAW AMM 24-22-03-864-010. INSTALLATION TEST REQUIRED. RIGHT GCU REPLACED AS PER AMM 24-22-02/401. TEST CARRIED OUT OK. NO FAULTS. INSTALLATION TEST FOR GCB CARRIED OUT AS PER AMM 24-22-03-424-006 SUBTASK F. NO FAULTS, SYSTEM FUNCTIONS NORMAL.