N503AS

Part: LIGHT — INOPERATIVE (FUSELAGE)

DURING A GROUND INSPECTION IN ATL, THE LEFT OVERWING EMERGENCY LIGHT WAS FOUND TO BE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE LEFT OVERWING EMERGENCY LIGHT LAMP. OPERATIONAL CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)

Part: ENGINE — FAILED (LEFT)

WHILE IN FLIGHT, THE CREW REPORTED THE LT ENGINE OIL PRESSURE FLUCTUATED AND THE DECISION WAS MADE TO SHUT THE ENGINE DOWN. AN EMERGENCY WAS DECLARED AND THE FLIGHT WAS DIVERTED. THE FLIGHT LANDED SAFELY. MAINTENANCE REMOVED AND REPLACED LT ENGINE DUE TO OPERATION WITH LOW OIL PRESSURE.

Part: FUSE — INOPERATIVE (CABIN)

DURING A HANGER INSPECTION, THE FORWARD FLOOR EMERGENCY LIGHTS WERE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED A FUSE. OPERATIONAL CHECKS GOOD. AIRCRAFT OK FOR SERVICE.

Part: FUSE — INOPERATIVE (CABIN)

FLT 4336 - DURING GROUND INSPECTION IN ATL, THE FORWARD STRIP OF EMERGENCY FLOOR LIGHTING WAS INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE FUSE FOR THE FORWARD SECTION OF EMERGENCY STRIP LIGHTING. OPERATIONAL CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)

Part: SKIN — CANNING (FUSELAGE)

DURING HANGAR MAINTENANCE IN MCN, THERE WAS OIL CANNING OF THE FUSELAGE SKIN UNDER THE FORWARD SIDE OF THE CARGO DOOR FRAME. MAINTENANCE REMOVED AND REPLACED THE DEFECTIVE SKIN ON THE LEFT SIDE OF THE FUSELAGE IAW SRM CHAPTERS 51 AND 53. (M)

Part: FUSE — BLOWN (CABIN)

DURING A HANGAR INSPECTION IN MCN, THE FLOOR EMERGENCY LIGHTS IN FRONT OF THE GALLEY WERE INOPERATIVE. MAINTENANCE REPLACED A BLOWN FUSE IN THE FUSE HOLDER. OPERATIONAL CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)

Part: PANEL — OUT OF POSITION (CABIN)

DURING SCHEDULED MAINTENANCE IN MCN, THE EMERGENCY EXIT AT ROW 8 HIT THE OVERHEAD TRIM AND WOULD NOT OPEN. MAINTENANCE SECURED THE OVERHEAD TRIM AND REPOSITIONED THE SEATS TO CLEAR THE EMERGENCY EXIT. OPERATIONAL CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)

Part: FUSE — INOPERATIVE (CABIN)

DURING HANGAR MAINTENANCE IN MCN, THE EMERGENCY LIGHTS AT ROWS 5-7 WERE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED FUSELAGE. OPERATIONAL CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)

Part: FRAME — CORRODED (FUSELAGE)

DURING SCHEDULED MAINTENANCE IN MCN, CORROSION WAS DISCOVERED AT FRAME 23, STRINGERS 20 LEFT TO 19 RIGHT. MAINTENANCE REPAIRED AIRCRAFT IAW ASA EO 120-53-0165. THIS EO CONTAINS REPAIR SPECIFICATIONS FOR CORROSION REPAIR AT FRAME 23, STRINGERS 20 LEFT TO 19 RIGHT. AIRCRAFT RETURNED TO SERVICE. (M)

Part: FCU — MALFUNCTIONED (T/E FLAP)

FLT 4059 - DURING DESCENT INTO ATL, CAPTAIN REPORTED A FLAP CONTROL FAULT. CREW DECLARED AN EMERGENCY AS A PRECAUTION AND LANDED AIRCRAFT SAFELY IN ATL WITH ZERO FLAPS. MAINTENANCE RERACKED THE FLAP CONTROL UNIT. AFTER CYCLING THE FLAP FIVE TIMES, THE DISCREPANCY COULD NOT BE DUPLICATED. MAINTENANCE LUBED THE TRACK AND ACTUATOR, AS WELL AS CLEANED AND RESEATED CANNON PLUG. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. (M)

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING INSPECTION, NR 3 EMERGENCY BATTERY PACK FOUND TO BE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE NR 3 EMERGENCY BATTERY PACK. OPERATIONAL CHECKS WERE GOOD. AIRCRAFT RETURNED TO SERVICE. (M)

Part: TSCU — FAILED (RT/LT ENGINE)

SHORTLY AFTER TAKEOFF SDF-ATL, THE RIGHT ENGINE EEC FAILED, CREW RAN THE EEC FAILURE CHECKLIST. AS POWER WAS REDUCED TO 24 PERCENT, RECEIVED AN UNCOMMANDED FEATHER OF THE ENGINE DUE TO A/F SYSTEM STILL BEING ARMED. PILOT DECLARED AN EMERGENCY AND REQUESTED RETURN TO SDF WHERE LANDING WAS MADE SAFELY AND WITHOUT FURTHER INCIDENT. AFTER CONFERRING WITH MTC. FLIGHT RESUMED WITH THE EEC'S DEFERRED AND CONTINUED TO ATL. MCN MAINTENANCE REMOVED AND REPLACED BOTH ENGINE TSCU'S. OPERATIONAL CHECKS WERE GOOD, DEFERRAL CLEARED, AND THE AIRCRAFT WAS RELEASED FOR FURTHER SERVICE. (M)

Part: BEARING RACE — CRACKED (PROPELLER BLADE)

CRACK INDICATION IN BLADE FILLET AND BUTT AREA OF SHANK ON BOTH SIDES OF GOUGE LINE IN FILLET AREA FROM EDGE OF SPLIT RACES.

Part: PCU — LEAKING (LT ENGINE)

EN ROUTE AGS-ATL - THE LEFT ENGINE OIL PRESSURE BEGAN FLUCTUATING FROM 53 TO 65 PSID AND GOT ASSOCIATED MAP AND AURAL WARNINGS. THE CREW DECLARED AN EMERGENCY AND DIVERTED INTO MCN WHERE LANDING WAS MADE SAFELY AND WITHOUT INCIDENT. FOUND OIL LEAK ON PCU MATING HALVES. REMOVED AND REPLACED PCU AND SERVICED ENGINE WITH 6 QUARTS OF OIL. OPERATIONAL AND LEAK CHECKS WERE GOOD. AIRCRAFT WAS RELEASED FOR FURTHER SERVICE. (M)

Part: NOZZLE O-RING — CUT (RT ENGINE)

DURING CLIMB THROUGH 11,500 FEET, PNS-ATL, CREW GOT A FIRE BELL, LIGHT, AND T6 WARNING. THE CREW SHUT DOWN THE RIGHT ENGINE, FEATHERED THE PROP AND PULLED THE FIRE HANDLE. THE FIRE WARNING EXTINGUISHED AND THE CREW RETURNED TO PNS WHERE LANDING WAS MADE SAFELY AND WITHOUT INCIDENT AND FIRE WAS CONFIRMED TO BE OUT. UPON INSPECTION FOUND ALL FUEL NOZZLE TRANSFER TUBES TO BE INSTALLED PROPERLY. INSPECTED ALL TRANSFER TUBE O-RINGS, FOUND THE O-RING AT THE 12 O'CLOCK POSITION CUT. REPLACED ALL FUEL NOZZLE O-RINGS. LEAK AND OPERATIONAL CHECKS WERE GOOD. (M)