What was found
R ENG BLEED TRIP AT FL390... EVEN AFTER DESCEST TO FL250 UNABLE TO HOLD CAB PER TOMC AND ORDMM TECH CALLOUT ACCOMPLISH PNUEMATIC SYSTEM HEAL TH CHECK PER MM36-00-23-501 ON #2 ENGINE. ACP HPSOV AND HS PILO T TEST PER MM36-00-23-705-151-001, TEST PASSED. ACP FAMV TEST P PRSOV TEST PER MM36-00-23-705-153-001 AND RFCC TEST PER MM36-00-23-705-153-001, TEST PASSED. NEED TO ACCOMPLISH MM36-00-23-705-154-001. ACCOMPLISHED PRSOV HEALTH CHECK REF MM 36-00-23. ALL FUNCTIONS & INDICATIONS NORMAL. FAILS STEP H,4. NO CLICK ON UPSTREAM SIDE. SLAVED IN NEW RFCC, NO HELP. WORKING REV FLOW CHK CTRLR RFCC TEST AMM 36-00-23-705-154-001, ACCOMPLISHED RFCC TEST H (4) HAVE NO CLICK ON UPSTREAM TEST LINE FOUND CONTINUITY ON PINS #1 AND #2 OF RFCC , REPLACED R PRSOV CONT. RELAY K10206 STILL NO HELP , SLAVED IN NEW RFCC AUDIBLE CLICK NO HEARD. STARTED REPLACED MENT OF RH RFCC REF AMM 36-11-18 NEW RFCC IN PLACE BOTTOM LINE, FWD BOLT STARTED. CONTROLLER, REV OFF 19-3611-9-0005 2571 ON 19-3611-9-0005 2528 REQUIRE COMPLETION FROM STEP (F) (5) TO END. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1104267 SN OFF 2571 COMPLETED INSTALLATION OF #2 RFCC, BLEED OPERATION NORMAL REF MM 36-11-18.