N450XJ

Part: POWER SUPPLY — FAILED (EMERGENCY LIGHTS) · airframe 25,790 hrs · 28,779 cycles

DURING TC 335003 POWER SUPPLY 21LN FAILED CAPACITY CHECK. REPLACED POWER SUPPLY 21LN IAW AMM 33-50-10, PN 3301-51, SN OFF 2056, SN ON 1355. EMERGENCY LIGHTING SYSTEM OPS CHECKS GOOD IAW AMM 33-50-00.

Part: POWER SUPPLY — FAILED (EMERGENCY LIGHTS) · airframe 25,745 hrs · 28,722 cycles

DURING TC 335003 POWER SUPPLY 21LN FAILED CAPACITY CHECK. REPLACED POWER SUPPLY 21LN IAW AMM 33-50-10. PN. EMERGENCY LIGHTING SYS OPS CHECKS GOOD IAW AMM 33-50-00.

Part: BULB — BURNED OUT (EMERGENCY LIGHTS) · airframe 25,204 hrs · 28,051 cycles

F/A REPORTS EMERGENCY LIGHTS ARMED LIGHT ON F/A PANEL NOT ILLUMINATED WHILE THE EMERG LIGHTS ARE ARMED. NO CWP LIGHT. RT ESS BUSS NORMAL, VOLTAGE AND AMP, SUSPECTED BULB BURNED OUT. RELAMPED F/A EMERGENCY LIGHTS ARE ARMED LIGHT AS REQUIRED. OPS CHECKS GOOD IAW AMM 33-50-00 PN 85.

Part: A/C PACK — MALFUNCTIONED (LEFT) · airframe 24,963 hrs · 27,761 cycles

ON CLIMB OUT, NOTICED A BURNING ODOR UNABLE TO CONTROL LT PACK - TEMP SWITCH WAS 90 AND CLIMBING INTO AUTO OR MANUAL MODE. SHUTOFF LT PACK AND ODOR WENT AWAY. RETURNED TO DEPARTURE. DEFERRED LT AIR CONDITION PACK IAW MEL 21-50-1. SCOOP LOWERED MX PROX WITH MXC 22609 ENTERED IN MM02 A&P 2060784. PERFORMED OPS CHECK OF TEMP CONTROL SYS IAW AMM 21-60-00, OPS CHECKS GOOD AT THIS TIME. REMOVED FROM MEL MM02, AIR SCOOP RESECURED. TURN ACM BY HAND AND ACM TURNS FREELY. R & R LT AIR CYCLE MACHINE. NO ODOR OF BURNED OIL WAS PRESENT.

Part: BATTERY PACK — FAILED (EMERGENCY LIGHT) · airframe 24,840 hrs · 27,620 cycles

EMERGENCY BATTERY PACK 20 LN FAILED THE OPS TEST OF EMERGENCY LIGHT SYS. JOBCARD 335003. REPLACED BATTERY PACK 20LN WITH SERVICEABLE UNIT IAW AMM 33-50-10. OPS CHECKS GOOD.

Part: WEB — CHAFED (BS 288-294) · airframe 24,435 hrs · 27,136 cycles

WEB AT STA 288-294 IS CHAFED WHERE STAIR SLIDE RUBS. BLENDED CHAFE DAMAGE AND INSTALLED REPAIR DOUBLER IAW SRM 53-70-30 AND EOS53362.

Part: SKIN — DENTED (CARGO DOOR) · airframe 24,435 hrs · 27,136 cycles

SEVERAL DENTS IN CARGO DOOR OUTER SKIN. REQUIRES EVALUATION. REPAIRED COMPOSITE DAMAGE ON DENTS NR 1, 2 ON CARGO DOOR OUTER SKIN IAW EO NR S52028.

Part: CONNECTOR — LOOSE (DETECTOR) · airframe 24,014 hrs · 26,646 cycles

RECEIVED RT TAIL PIPE HOT INDICATION, ALL ENG PARAMETERS NORMAL. OCCURRED 5 MINUTES AFTER TAKEOFF IN RAIN. CREW FOLLOWED THEIR NON-NORMAL PROCEDURE CHECK LIST AND SHUT THE RT ENGINE DOWN. CAPTAIN DECLARED AN EMERGENCY AND THE FLIGHT RETURNED TO AND LANDED WITHOUT FURTHER INCIDENT. RESECURED LOOSE TERMINAL SCREWS ON SENSOR 28WG, REAPPLIED THIXOTROPIC SEALANT IAW 2610-302.

Part: HEATER — ODOR · airframe 20,851 hrs · 23,072 cycles

CREW REPORTED A SULFUR ODOR IN CABIN. TURNED OFF AUX HEAT AND ODOR DISSIPATED. DEFERRED AUX HEAT. CLEANED THE HEATERS.

Part: POWER SUPPLY — NO TEST (EMERGENCY LIGHTS) · airframe 20,675 hrs · 22,864 cycles

DURING TASK 335003, POWER SUPPLY 24LN FAILED CAP TEST. REPLACED POWER SUPPLY 24LN, P/N 3301-51; S/N 2062.

Part: COMPRESSOR — FAILED (CABIN AIR CON) · airframe 19,774 hrs · 21,817 cycles

CREW REPORTED SMOKE IN THE CABIN AND FLOORBOARD IS HOT. AIRCRAFT WAS EVACUATED ON THE TAXI-WAY. SMOKE IN CABIN OBSERVED COMING THROUGH FLOOR NEAR SEATS 3 AND 4 AFTER LEAVING THE GATE. NO INJURIES WERE REPORTED. CFR RESPONDED AND SMOKE DISSIPATED WHEN POWER REMOVED FROM THE AIRCRAFT. FREON A/C COMPRESSOR FRIED. SUP AC INOP.

Part: FRAME — CORRODED (BS 258) · airframe 17,112 hrs · 18,879 cycles

DURING 2 YEAR CHECK IN BNA, FOUND FRAME AT FS 258, FROM RBL 9.0 TO LBL 9.0 IS CORRODED AND HAS BEEN REPAIRED IAW MESABA EO NR S53108. REF: EAMS WORK ORDER 213743 TASK 2522.

Part: WEB — CRACKED (BS 294) · airframe 17,112 hrs · 18,879 cycles

DURING 2 YEAR CHECK IN BNA, FOUND VERTICAL WEB OF FRAME AT FS 294 AND RBL 18, JUST BELOW FLOOR LEVEL IS CRACKED AND HAS BEEN REPAIRED IAW MESABA EO S53102. REF: EAMS WORK ORDER 213743, TASK 1503.

Part: SEAT TRACK — CORRODED (BS 294-319) · airframe 17,112 hrs · 18,879 cycles

DURING 2 YEAR CHECK IN BNA, FOUND SEAT TRACK AT LBL 18.3, BETWEEN FS 294 AND 319 IS CORRODED. THE "OUT OF LIMITS" AREA HAS BEEN REPAIRED IAW MESABA EO#S53342. REF: EAMS WORK ORDER 213743 TASK 2516.

Part: PANEL — CORRODED (COCKPIT) · airframe 17,112 hrs · 18,879 cycles

DURING 2 YEAR CHECK IN BNA, FOUND LOWER END OF COCKPIT WALL AT RBL 10 IS CORRODED AND HAS BEEN REPAIRED IAW MESABA EO#S53185. REF: EAMS WORK ORDER 213743 TASK 2526.

Part: PANEL — CORRODED (COCKPIT) · airframe 17,112 hrs · 18,879 cycles

DURING 2 YEAR CHECK IN BNA, FOUND LOWER END OF COCKPIT WALL AT LBL 10 IS CORRODED AND HAS BEEN REPAIRED IAW MESABA EO#S53185. REF: EAMS WORK ORDER 213743 TASK 2523.

Part: SEAT TRACK — CORRODED (BS 294-319) · airframe 17,112 hrs · 18,879 cycles

DURING 2 YEAR CHECK IN BNA, FOUND SEAT TRACK AT BLO BETWEEN FS 294 AND 319 IS CORRODED. THE OUT OF LIMITS AREA HAS BEEN REPAIRED IAW MESABA EO#S53342. REF: EAMS WORK ORDER 213743 TASK 2517.

Part: WIRE HARNESS — DAMAGED (MLG) · airframe 17,094 hrs · 18,864 cycles

RIGHT HAND MAIN GEAR GREEN DOWN AND LOCK LIGHT FLICKERED ON AND OFF IN FLIGHT WITH THE GEAR UP AND LOCKED. AIR RETURNED TO DTW. REPLACED RT DOWN LOCK HARNESS ASSY.

Part: CIRCUIT BREAKER — TRIPPED · airframe 16,600 hrs · 18,284 cycles

RIGHT HAND ESSENTIAL BUSS C/B POPPED IN FLIGHT. AIR RETURN TO MSP. INSPECTED BOLT SELECTOR SWITCH AND CBS9. NO DEFECTS FOUND. RESET CB UNABLE TO DUPLICATED PROBLEM.

Part: DOWNLOCK SWITCH — FAULTY (LT MLG) · airframe 15,025 hrs · 16,568 cycles

ON FINAL APPROACH INTO BGM, LT MAIN GEAR LIGHT WAS FLICKERING. PERFORMED QRH. RECYCLED GEAR, LT MAIN GEAR LIGHT FLICKERED 2X AFTER BEING ON STEADY FOR 2 MINUTES. LIGHT REMAINED ON STEADY THEREAFTER. FERRIED A/C FROM BGM TO DTW FOR REPAIRS. MAINTENANCE REPLACED LT MLG DOWNLOCK SWITCH PN ATG130902, IAW MM 32-61. REPLACED LT MLG C/P 5GA-J1, (FEMALE SIDE) PN MS347W1419SX, PERFORMED OPS CHK OF LT MLG EXTENTION/RETRACTION. ALL CHECKS GOOD.

Part: BATTERY — FAILED (EMERGENCY LIGHT)

BATTERY POWER SUPPLY P/N 3301-51, S/N 2208 FAILED SCHEDULED CAPACITY CHECK. MAINTENANCE REPLACED BATTERY ASSEMBLY P/N 3301-31, A/C WAS RETURNED TO SERVICE 12/3/04.

Part: RIB — CRACKED (FUSELAGE) · airframe 13,975 hrs · 15,390 cycles

DURING 6Y/4Y INSPECTION IN LAN, MAINTENANCE NOTED 612BR 1 CRACKED RIB, REPAIRED IAW SAAB SRM 57-10-30-2. REFER TO NRC NR 126346 FOR ADDITIONAL INFORMATION. AIRCRAFT RETURNED TO SERVICE 11/03/04.

Part: RIB — CRACKED (FUSELAGE) · airframe 13,975 hrs · 15,390 cycles

DURING 6Y/4Y INSPECTION IN LAN, MAINTENANCE NOTED 612AR 2 CRACKED RIBS, REPAIRED IAW SAAB SRM 57-10-30-2. REFER TO NRC NR 126857 FOR ADDITIONAL INFORMATION. AIRCRAFT RETURNED TO SERVICE 11/03/04.

Part: RIB — CRACKED (FUSELAGE) · airframe 13,975 hrs · 15,390 cycles

DURING 6Y/4Y INSPECTION IN LAN, MAINTENANCE NOTED 512AL 2 CRACKED RIBS, REPAIRED IAW SAAB SRM 57-10-30-2. REFER TO NRC NR 126860 FOR ADDITIONAL INFORMATION. AIRCRAFT RETURNED TO SERVICE 11/03/04.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 13,975 hrs · 15,390 cycles

DURING 6Y/4Y INSPECTION IN LAN, MAINTENANCE NOTED LT AISLE FWD SEAT TRACK CORRODED LBL18.5 STA 294-326, REPAIRED IAW SAAB SRM 53-70-62. REFER TO NRC NR 126704 FOR ADDITIONAL INFORMATION. AIRCRAFT RETURNED TO SERVICE 11/03/04.

Part: RIB — CRACKED (FUSELAGE) · airframe 13,975 hrs · 15,390 cycles

DURING 6Y/4Y INSPECTION IN LAN, MAINTENANCE NOTED 611BR HAS 4 CRACKED RIBS. REPAIRED IAW SAAB SRM 57-10-30-2. REFER TO NRC NR 126856 FOR ADDITIONAL INFORMATION. AIRCRAFT RETURNED TO SERVICE 11/03/04.

Part: MOTOR — SMOKE (COMPRESSOR) · airframe 13,159 hrs · 14,453 cycles

UPON BOARDING A/C CABIN FILLED WITH SMOKE. MAINTENANCE INSPECTED A/C, SUSPECTS SMOKE CAME FROM THE SUPPLEMENTAL AIR CONDITIONING. MAINTENANCE REMOVED AND REPLACED COMPRESSOR MOTOR.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 12,754 hrs · 14,018 cycles

RIGHT I/B SEAT TRACK HAS CORROSION AT STA 292. REPAIRED SEAT TRACK IAW MESABA EO S53060. A/C RETURNED TO SERVICE 4/2/04.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHT) · airframe 12,753 hrs · 14,017 cycles

EMERGENCY POWER SUPPLY P/N 501-1712-02, S/N 2137 WAS REMOVED FOR SCHEDULED BENCH CHECK ON 3/18/04. ON 3/31/04 UNIT FAILED BATTERY CAPACITY CHECK. BOTH BATTERY PACKS P/N 549-1324-06 WERE REPLACED AND UNIT WAS CHARGED. ALL SUBSEQUENT CHECKS WERE GOOD IAW CMM UNIT WAS RETURNED TO SERVICE 4/2/04.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 12,579 hrs · 13,821 cycles

WHILE REMOVING EMERGENCY FLOOR TRACK LIGHTING STRIP, NOTED CORROSION ON LT AND RT CENTER AISLE SEAT TRACKS WEBS AT APPROXIMATELY STA 303. REMOVED CORROSION FROM LT & RT CENTER AISLE FWD SEAT TRACKS AND REPAIRED IAW 01-04031 CARD 210633 FOR DETAILS.

Part: WIRE — BROKEN (EMERGENCY LIGHT) · airframe 12,579 hrs · 13,821 cycles

LEFT EMERGENCY FLOOR LIGHTING FROM 2A-4A LAYING IN AISLE WITH WIRES BROKEN OFF LIGHT STRIP. REMOVED AND REPLACED EMERGENCY FLOOR PATH LIGHTING P/N 6636-2 IAW AMM 33-50-20-4.

Part: WIRE HARNESS — FAULTY (LT MLG)

LOW ENERGY ABORT ON FLIGHT 2794 DUE TO LEFT MAIN LANDING GEAR LIGHT EXTINGUISHING ON TAKEOFF ROLL. MAINTENANCE REPLACED LT DOWNLOCK ACTUATOR HARNESS. REF SAAB AMM CH 32-61-05-2 PN ATG130902. PERFORMED GEAR SWINGS, ALL CHECKS GOOD.

Part: INDICATOR — MALFUNCTIONED (RT ENG OIL)

DURING FLIGHT 2907, RT ENGINE OIL PRESSURE FLUCTUATING. RT ENGINE OIL PRESSURE INDICATING 50 PSI + OR - 5. DURING DESCENT RT ENGINE OIL PRESSURE INDICATED APPROXIMATELY 40 PSI, AT FLIGHT IDLE. ALL OTHER ENGINE PARAMETERS NORMAL INDICATOR BOUNCED APPROXIMATELY 5 PSI. MAINTENANCE UPON INSPECTING ENGINE FOUND QUANTITY TO BE WITHIN LIMITS. RAN ENGINE HAD 35 PSI, SWAPPED INDICATOR WITH LT SIDE, PRESSURE JUMPED TO 50-55 AND STEADY, ALL CHECKS GOOD.

Part: BULB — FAULTY (LT PGB)

DURING FLIGHT 2945, LT PGB OIL TEMP FLUCTUATES. AIR RETURN TO DTW. MAINTENANCE REPLACED TEMP BULBS. MAINTENANCE INSPECTED ELECTRICAL CONNECTORS AT LT PROP OIL TEMP GAUGE AND AT TEMP BULB. NO DISCREPANCIES NOTED. MAINTENANCE REMOVED AND REPLACED LT PGB TEMP BULB. ALL WORK IAW SF3 MM CHAP 79. OPS LEAK CHECK GOOD IAW SAME.

Part: WARNING SYSTEM — MALFUNCTIONED (COCKPIT)

LANDING GEAR INTRANSIT LIGHT STAYS ILLUMINATED AFTER RETRACTION. CLEANED NLG & MLG, CHECKED WOW SWITCHES AND CANNON PLUGS FOR DAMAGE. ALL CHECKS GOOD.

Part: COMPUTER — MALFUNCTIONED (COCKPIT)

ON DEPARTURE FROM DTW ON FLIGHT 2787, A/P WOULD NOT ENGAGE. SHORTLY AFTER THE ROLL LIGHT ON BOTH EADI'S CAME ON WITH THE AVIONICS CAUTION LIGHT. THE FO'S EADI WAS SHOWING A RIGHT 7 DEGREE TURN WHEN STRAIGHT AND LEVEL AFTER LANDING FO'S EADI SHOWED A 3 DEGREE PITCH DOWN ATTITUDE. AIR RETURN TO DTW. MAINTENANCE COULD NOT DUPLICATED, REPLACED NR 1 AND NR 2 AHRS COMPUTER FOR PRECAUTION. P/N 622-6190-113, S/N ON 2982, S/N OFF 2964. ALL CHECKS GOOD AT THIS TIME.

Part: MOTOR — FAILED (A/C BAY)

AFTER DEPLANING FLIGHT 3180 GROUND OPS HOOKED UP EXTERNAL POWER. SHORTLY AFTER, VISIBLE SMOKE WAS SMELLED IN CABIN. MAINTENANCE VISUALLY INSPECTED CABIN AREA, FOUND SIDEWALL LIGHTS AT ROW 1-5 AND OVERHEAD LIGHTS AT ROWS 9A AND 10, SUSPECT BAD LIGHT SOCKET AND/OR BALLAST. DEFERRED ALL SIDEWALL LIGHTS AS A PRECAUTIONARY MEASURE DUE TO SMOKE IN CABIN SMELL. MAINTENANCE RESET BREAKERS, RELAMPED LIGHTS. MAINTENANCE PERFORMED FURTHER INVESTIGATION AND TROUBLESHOOTING FOUND SUPPLEMENTAL A/C MOTOR BURNED AND MELTED. MAINTENANCE REPLACED MOTOR.

Part: INDICATOR — MALFUNCTIONED (COCKPIT)

DURING FLIGHT 2743, RT PROP SPEED INDICATOR ERRATIC AND THEN FAILED IN FLIGHT. AIR RETURN TO DTW. MAINTENANCE GROUND RAN AND TAXI AIRCRAFT FOR APPROXIMATELY 1 HOUR, COULD NOT DUPLICATE. ALL CHECK GOOD AT THIS TIME.

Part: GENERATOR — DEFECTIVE (LT ENGINE) · airframe 6,747 hrs · 7,612 cycles

DURING FLIGHT 2772, BGM/DTW THE LT AC GENERATOR FAILED ON ARRIVAL INTO DTW. AC GEN STARTED TO SMOKE AND SPARK ON APPROACH. DECLARED AN EMERGENCY, SHUTDOWN ENGINE ON THE GROUND IN DTW. MX REPLACED LT AC GEN P/N 31342-043, S/N ON 96023. REPLACED THE AC GCU P/N 51634-002, S/N ON 96026. FOUND LT PGB DAMAGED DURING LT AC GEN CHANGE, MX REPLACED LT ENGINE P/N CT7-9B S/N ON GE-E785121, REPLACED LT PGB P/N 5074T51610, S/N ON IHI00461. DURING ENGINE CHANGE NOTED BACKSHELL OF CONNECTOR 1XAP1 FOR LT AC GEN DAMAGED, MX PERFORMED TEMPORARY REPAIR OF CONNECTOR AND ASSOCIATED GROUNDING HARNESS.

Part: TRANSMITTER — DEFECTIVE (STALL WARNING)

RT STALL FAIL LIGHT ILLUMNATES MULTIPLE TIME INFLIGHT. LIGHT ILLUMINATES MASTER CAUTION AND SINGLE CHIME. LIGHT GOES OUT ON OWN AFTER ABOUT ONE SECOND. CAME ON APPROXIMATELY THIRTY TIMES. AIR RETURN TO DTW. MAINTENANCE REPLACED RT ANGLE OF ATTACK TRANSMITTER P/N 861CAR, S/N ON 00082, S/N OFF 01163. ALL CHECKS GOOD.

Part: GENERATOR — FAILED (RIGHT)

RT GEN OVERTEMP AND RAMP PERSONNEL SHIGNALED SMOKE AND SPARKS FROM RIGHT SIDE ON FLIGHT 2747 OUT OF ATW. SHUTDOWN ENGINE. MAINTENANCE REPLACED RT DC GENERATOR PN 23020-031 SN/ON 4307 SN/OFF 98275. OPS CHECK GOOD

Part: CONNECTOR — FAULTY (GCU)

DURING FLIGHT 3047 LEFT AC GENERATOR FELL OFF LINE. LEFT AC GEN AND INTAKE LIGHT ON IN FLIGHT, EVERYTHING BUT INTAKE TRANSFER OK. AIR RETURN TO INL. MAINTENANCE FOUND LEFT AC GEN. CONTROL UNIT CONNECTOR CONTAMINATED. CLEANED CONNECTOR, REPLACED LEFT AC GEN CONTROL UNIT P/N 51634-002, S/N OFF 97059, S/N ON 98028, FAILED OPS CHECK. SWAPPED AC GENERATORS FOR TROUBLESHOOTING, FAILED OPS CHECK. RETURNED AC GENERATOR TO ORIGINAL POSITION LT AND RT LEAK CHECK GOOD. RT OPS CHECK GOOD. REPLACED LT AC GEN HARNESS-GCU CONNECTOR AT FAULT. REPAIRED CHAFED WIRES IN FLAP COVE. OPS CHECK GOOD IAW 24-20-00-2. MXC NOTIFIED, REMOVED FROM DMR REF: 409 0878 FOR MORE INFORMATION.

Part: GENERATOR — DEFECTIVE (LEFT)

LT AC GENERATOR AND INTAKE LIGHT ON IN FLIGHT, EVERYTHING BUT INTAKE TRANSFERED. MAINTENANCE FOUND LT AC GEN CONTROL UNIT CONNECTOR CONTAMINATED, CLEANED CONNECTOR, REPLACED LT AC GEN CONTROL UNIT (P/N 51634-002), SN/OFF 98029, SN/ON 97059. IAW SF340 AMM 24-21-10-2. FAILED OPS CHECK. MAINTENANCE REPLACED LT AC GCU (P/N 51634-002) (S/N OFF 97059) (S/N ON 98028), FOR TROUBLESHOOTING, FAILED OPS CHECK. SWAPPED AC GEN FOR T-SHOOTING, FAILED OPS CHECK. RETURNED AC GEN TO ORIGINAL POSITION, LT & RT LEAK CHECK GOOD. REPLACED IAW SF340-AMM. LEFT AC GEN HARNESS-GCU CONNECTOR AT FAULT, DEFERRED LT AC GEN IAW MEL 24-21-18.

Part: SEAL — FAILED (LT ENGINE)

UPON LEVELING OFF AT 4000 FT, THE LT BLEED AIR LEAK LIGHT CAME ON, FOLLOWED QRH WHEN THE LT BLEED VALVE WAS CLOSED, THE BLEED AIR LEAK LIGHT EXTINGUISHED. WHEN THE LT BLEED VALVE WAS TURNED ON THE LIGHT CAME BACK. MAINTENANCE FOUND LT PERRY SEALS BAD & REPLACED LT IB WING SEALS. RAN AIRCRAFT 30 MINUTES, OPS CHECK GOOD.

Part: CONNECTOR — FAILED (RT MLG)

DURING CLIMB, RIGHT HAND GEAR LIGHT ILLUMINATED INDICATING GEAR STILL DOWN. VISUALLY CHECKED, GEAR UP. QRH UNABLE TO EXTINGUISH LIGHT. AIRCRAFT RETURNED TO MSP. MAINTENANCE REPLACED CONNECTOR, ALL CHECKS GOOD.

Part: VALVE — STUCK (RIGHT)

ON FLIGHT OUT OF MSP, AIRCRAFT INTERIOR TEMP BECOMES VERY HOT; IN AUTO MODE, NO TEMP CHANGE. WHEN SELECTED TO MANUAL MODE, BECOMES EVEN HOTTER, WHEN SELECTING COLD THE DUCT OVERHEATS AND BLEED SHUTS DOWN. AIRCRAFT RETURNED TO MSP. MAINTENANCE FOUND MAIN VALVE ON RIGHT SIDE STICKING, UNSTUCK VALVE AND RAN ENGINE. OPS CHECK GOOD.