N977TW

Part: SWITCH — FAULTY (MLG) · airframe 33,245 hrs · 27,235 cycles

AFTER DEPARTING MSN LANDING GEAR WOULD NOT RETRACT. AIRCRAFT RETURNED TO MSN AND LANDED WITHOUT INCIDENT.

Part: LIMITER — FAILED (AIRSPEED IND) · airframe 33,186 hrs · 27,186 cycles

ON TAKEOFF FROM ADS, CO-PILOTS AIRSPEED INDICATOR FAILED TO INDICATE. CREW RETURNED TO ADS, AIRCRAFT INPUT FOR MAINTENANCE.

Part: TRANSMITTER — MALFUNCTIONED (NR 1 OIL PRESS) · airframe 32,842 hrs · 26,940 cycles

PILOT REPORTED AFTER DEPARTURE FROM ADS NR 1 ENGINE OIL TEMP AMD PRESSURE LIGHT ILLUMINATED, RETURN TO ADS FOR MAINTENANCE. R & R LT ENGINE OIL PRESSURE TRANSMITTER OPS AND LEAK CK NORMAL.

Part: FIRE LOOP — GROUNDED (NR 1 ENGINE) · airframe 32,841 hrs · 26,937 cycles

PILOT REPORTED AFTER DEPARTURE, AN EMERGENCY HORN SOUNDED, ALL SYSTEMS CHECKED OK. PILOT REQUESTED RETURN FOR MAINTENANCE, NO EMERGENCY DECLARED. MAINTENANCE FOUND A FIRE LOOP ON NR 1 ENGINE GROUNDING OUT. REPOSTIONED FIRE LOOP, OPS CHECKED NORMAL AT THIS TIME.

Part: FIRE LOOP — GROUNDED (NR 2 ENGINE) · airframe 32,841 hrs · 26,938 cycles

PILOT REPORTED AFTER DEPARTURE FROM ADS FIRE HORN SOUNDED WITH NO FIRE INDICATION LIGHTS, RETURN TO ADS FOR MAINTENANCE. MAINTENANCE FOUND FIRE LOOP GROUNDING OUT ON ENGINE DRAIN MAST ON THE NR 2 ENGINE REPOSITIONED AND OPS CHECKED NORMAL AT THIS TIME.

Part: ENGINE — FLAMED OUT (LEFT)

PILOT REPORTED LT ENGINE FLAMED OUT DURING CLIMB. NORMAL RESTART PERFORMED. POST FLIGHT INSPECTION REVEALED NO DAMAGE. WILL UPDATE THIS REPORT WHEN AIRCRAFT GOES INTO MAINTENANCE.

Part: ENGINE — FLAMED OUT (LEFT)

PILOT REPORTED LT ENGINE FLAMED OUT WHILE CLIMBING FROM FL360 TO 370, DECENDED AND RESTART AND CLIMB BACK TO FL330 AND COMPLETED LEG. WILL UPDATE AFTER MAINTENANCE.COMPLIED WITH SEI 187 FLOW CHART FOR FLAME OUT CK OUT CF700 NO DEFECTS NOTED.

Part: ENGINE — FLAMED OUT (NR 1) · airframe 32,188 hrs · 26,451 cycles

PILOT REPORTED NR 1 ENGINE FLAMEOUT AT FL350, ENGINE RELIT AS N1 DROPPED THROUGH 50 PERCENT, ALL ENGINE INDICATIONS NORMAL, REQUESTED FL310 FOR DURATION OF FLIGHT. ADS MAINTENANCE INSPECTED ENGINE FOUND NO DEFECTS PERFORMED GROUND RUNS, ALL OPS CHECKED NORMAL.

Part: SWITCH — FAILED (LANDING GEAR) · airframe 32,133 hrs · 26,409 cycles

PILOT REPORTED THE LANDING GEAR WOULD NOT RETRACT AFTER DEPARTURE, RETURNED FOR MAINTENANCE. MAINTENANCE ADJUSTED MICROSWITCH AND SWUNG GEAR CK GOOD. AIRCRAFT DEPARTED GEAR WOULD NOT RETRACT, RETURN TO DEPARTURE AIRPORT, MAINTENANCE R/R 17G1 MICROSWITCH PERFORMED GEAR SWINGS AND RETURN AIRCRAFT TO SERVICE. NO FURTHER PROBLEMS ON NEXT FLIGHTS.

Part: ENGINE — FLAMED OUT (LEFT) · airframe 32,105 hrs · 26,381 cycles

PILOT REPORTED THAT ON THE SECOND LEG OF THE DAY THE LEFT ENGINE FLAMED OUT CLIMBING THROUGH 36,500, DECENT AND RELIGHT AT 31,000. PILOT PERFORMED INSPECTION OF ENGINE FOR FOD AND LEAKS, CK GOOD. NO FURTHER PROBLEM WITH NEXT LEGS AT ALTITUDE.

Part: PITOT TUBE — OBSTRUCTED (COCKPIT) · airframe 32,036 hrs · 26,334 cycles

AIRCRAFT STARTED TAKEOFF ROLL AT ADS, COPILOTS AIRSPEED INDICATOR DID NOT COME ALIVE. TAKEOFF ROLL ABORTED. BLOCKAGE FOUND IN COPILOTS PITOT TUBE. REPAIRED AND RETURNED AIRCRAFT TO SERVICE.

Part: GYRO — FAILED (COCKPIT) · airframe 31,884 hrs · 26,201 cycles

HSI AND RMI COPILOT SIDE OF AIRCRAFT WOULD NOT MOVE, RETURN TO DEPARTURE AIRPORT. REMOVED AND REPLACED NR 2 DIRECTIONAL GYRO, OP'S CHECK GOOD ON GROUND. RETURN AIRCRAFT TO SERVICE.

Part: SKIN — CORRODED (FUS LT AFT LAV)

THE FOLLOWING CORROSION WAS DISCOVERED DURING B, C INSPECTIONS: FUSELAGE LEFT AFT SECTION LAVATORY AREA - CORROSION BETWEEN SKIN AND FRAMES/STRINGERS. FRAME 29 TO FRAME 33 LOCATED BETWEEN STR 19 AND STR 22. REPLACEMENT OF SKIN PANEL AND CLEANING AND TREATING OF ATTACHING SKIN, STRINGERS, AND FRAMES. SUBMITTER SUGGESTED MOISTURE AND SPILLAGE IN LAVATORY AREA AS A POSSIBLE CAUSE. ACFT TT: 28,446 HRS. LANDINGS: 23,592.

Part: SKIN — CORRODED (FUS FWD LOWER)

THE FOLLOWING CORROSION WAS DISCOVERED DURING B, C INSPECTIONS: FUSELAGE FORWARD LOWER SECTION - CORROSION BETWEEN SKIN AND FRAMES/STRINGERS. FRAME 7 TO FRAME 19 ON PANELS BETWEEN S22L AND S22R. REPLACEMENT OF BOTH SKIN PANELS AND CLEANING AND TREATING OF ATTACHING SKINS. SUBMITTER SUGGESTED CONDENSATION AND MOISTURE RETAINED BY SOUNDPROOFING COULD BE A POSSIBLE CAUSE. ACFT TT: 28,446 HRS. LANDINGS: 23,592.