N253JX

Part: SWITCH — FAILED (ZONE 200) · airframe 34,919 hrs · 31,944 cycles

CREW REPORTED BLD VLV 2 CLSD AFTER TAKEOFF WON'T GO AWAY WITH ANTI ICE TEST. CORR ACTION MX TROUBLESHOT TO BAD #2 PUSHBUTTON SWITCH. R&R'D SWITCH ALL OPS TESTS GOOD.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 34,668 hrs · 31,679 cycles

ISSUE; PILOT REPORTED AT ABOUT 27000 FEET ON CLIMB, WE GOT SERVICE DOOR OPEN MESSAGE. DOOR ALIGNMENT MARKS DIDN’T ALIGN, PRESSURIZATION HELD. MADE PRECAUTIONARY DIVERSION INTO KOKC. CORR ACTION; MX PERFORMED SERVICE-DOOR WARNING MICROSWITCHES - ADJUSTMENT/TEST OPS TEST GOOD.

Part: BLEED VALVE — FAILED (UNKNOWN) · airframe 34,663 hrs · 31,676 cycles

ISSUE; CREW REPORTED BLEED 2 FAIL AND BLEED 2 VALVE CLOSED MESSAGES WHEN PASSING THROUGH 18,000 FEET. NOTICED DURING PNEUMATIC CHECKS AT 18000 FEET. RESET BLEED 2 PER THE QRH AND MESSAGES REMAINED. AIR RETURN. CORR ACTION; MX TROUBLESHOT TO BAD VALVE. REMOVED AND REPLACED E2 BLEED VALVE ALL OPS AND LEAK CHECKS GOOD.

Part: HOSE — LEAKING · airframe 34,624 hrs · 31,647 cycles

ISSUE; CREW REPORTED ON CLIMB OUT E1 HYD PUMP FAIL & HYD1LOQTY MESSAGES. CORR ACTION- MX TROUBLESHOT TO BAD HOSE AND REMOVED AND REPLACED THE PUMP AND THE HOSE ASSY. ALL OPS AND LEAK CHECKS GOOD.

Part: MANIFOLD — LOOSE (ZONE 100) · airframe 33,878 hrs · 30,903 cycles

ISSUE-CREW REPORTED DURING OUR CLIMB PERFORMED PART 2 OF OF THE B TEST. WING ANTI ICE FAILED. WE TESTED MULTIPLE TIMES WITH THE SAME RESULT. CORR ACTION-MX TROUBLESHOT AND PERFORMED VISUAL INSPECTION OF THE RH AND LH ANTI-ICE SYSTEM. FOUND LOOSE CONNECTION ON THE RH PRESSURE SENSOR MANIFOLD. TIGHTENED CONNECTION, FOUND PRESSURE MANIFOLD LOOSE ON LH SIDE, RE-TIGHTENED MANIFOLD TO BRACKET, PERFORMED OPS CHECK, NO FURTHER DEFECTS NOTED AT THIS TIME.

Part: NONE — NONE · airframe 33,377 hrs · 30,375 cycles

CREW HAD BLEED 1 LEAK ON TAKEOFF. QRH PROCEDURE DIDN’T CLEAR MESSAGE. AIR RETURN TO OAK. CORR ACTION-INITIALLY DEFERRED. NEXT DAY 5-14-22 OPS TESTED BLEED 1 SYSTEM WITH FULL LOAD FOR 15 MINUTES NO MESSAGES APPEARED CLEARED DEFERRAL.

Part: CONTROLLER — ERRATIC · airframe 33,247 hrs · 30,237 cycles

ISSUE- CAB ALT IMMEDIATELY STARTED TO CLIMB ON DEPARTURE FROM LAS. QRH WAS USED TO VERIFY DIFFERENTIAL PRESSURE. WHILE RUNNING, QRH/CAB ALT REACHED 10,700FT. MANUEL CONTROL IN DN POSITION. CREW REQUESTED TO RETURN TO LAS. NO EMERGENCY WAS DECLARED PER FLIGHT CREW BUT SAFETY VEHICLES DID ROLL. CORR ACTION- R&R'D DIGITAL PRESSURIZATION CONTROLLER OPS TESTED GOOD IN MANUAL AND AUTO.

Part: COMPUTER — FAULTY (ZONE 100) · airframe 32,809 hrs · 29,758 cycles

ISSUE- CREW REPORTED DURING CLIMB OUT THAT THEY LOST FO PFD, AND MFD; FOLLOWED BY LOSS OF CA PFD, MFD AND EICAS DISPLAY. FO PFD, MFD, AND EICAS RETURNED. CA SIDE DID NOT RETURN. MESSAGES CHK IC CONFIG, YAW DAMPER FAIL, IC 1 CONFIG FAIL. CORR ACTION-TROUBLESHOT TO BAD #2 IC600, R&R'D IC600 ALL OPS TESTS GOOD.

Part: CIRCUIT BREAKER — NOT SEATED (CABIN TEMP) · airframe 32,333 hrs · 29,236 cycles

RETURN FLIGHT-ISSUE: DURING CLIMB WAS REPORTED PAX HAD NO AC CREW OBSERVED CABIN TEMP 86F RETURNED TO FIELD. CORR ACTION: TROUBLESHOT SYSTEM AND FOUND THE GASPER FAN CIRCUIT BREAKERS NOT SEATED FULLY. RESET CB AND CYCLED SYSTEM POWER. PERFORMED OPERATIONAL CHECK OPS CHECKS GOOD, NO DEFECTS NOTED AT THIS TIME.

Part: ATTACH FITTING — GOUGED (RT AILERON) · airframe 31,673 hrs · 28,577 cycles

RH AILERON SHIMMY DAMPENER ATTACHMENT FITTING ASSEMBLY GOUGED. SEE AVMAX W/O: 80859 W/C: 6021 FOR REPAIR.

Part: BRACKET — CRACKED (FUSELAGE) · airframe 31,673 hrs · 28,577 cycles

BRACKET LOCATED AT RH SIDE AFT OF THE OVERWING EXIT UNDER FLOORBOARD 252CF CRACKED. SEE AVMAX W/O: 80859 W/C: 1135 FOR REPAIR.

Part: FLOORBEAM — CORRODED (FUSELAGE) · airframe 31,673 hrs · 28,577 cycles

FLOOR BEAM UNDER FLOOR BOARD 231BF BETWEEN FRAMES 14-18 CORRODED AROUND FLOORBOARD MOUNT HOLES. SEE AVMAX W/O: 80859 W/C: 1139