N274AS

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING GROUND INSPECTION IN DFW, THE CREW REPORTED THE MID SECTION OF FLOOR EMERGENCY LIGHTS AS WELL AS THE OVERWING EXIT LIGHTS STAYED ON EVEN AFTER SELECTED TO THE OFF POSITION. MAINTENANCE REMOVED AND REPLACED THE NR 2 EMEGENCY LIGHT BATTERY PACK. OPERATIONAL CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)

Part: BULB — BURNED OUT (CABIN)

DURING A HANGAR INSPECTION IN TXK, THE FORTH LIGHT BULB IN THE EMERGENCY FLOOR LIGHTS WOULD NOT ILLUMINATE. MAINTENANCE REMOVED AND REPLACED THE BURNED OUT EMERGENCY FLOOR LIGHT BULB. OPERATIONAL CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)

Part: CROSSBEAM — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, THE CROSS BEAM AT FRAME 16 WAS CORRODED FROM THE LEFT BUTT STRAP TO THE LEFT WALL. MAINTENANCE REMOVED AND REPLACED CORRODED CROSS BEAM IAW SRM 51-40-02. (M)

Part: STRINGER — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, CORROSION WAS FOUND ON STRINGER 19 LEFT FROM FRAME 13A TO FRAME 18. MAINTENANCE REMOVED THE CORRODED 19 LEFT STRINGER FROM FRAME 13A TO FRAME 18 IAW SRM 51-25-00. A NEW STRINGER WAS INSTALLED IAW SRM 51-40-2. (M)

Part: BUTTSTRAP — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, THE LEFT AFT BUTT STRAP HAS CORROSION BETWEEN FRAMES 32 AND 39. MAINTENANCE REMOVED AND REPLACED CORRODED BUTT STRAP IAW SRM 51-40-02. (M)

Part: SEAT TRACK — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, THE LEFT FLOOR SEAT TRACK, FORWARD SECTION, WAS FOUND CORRODED FROM FRAME 17 TO FRAME 26. CORROSION WAS ALSO FOUND ON THE LEFT FLOOR SEAT TRACK, AFT SECTION, FROM FRAME 32 TO 39. MAINTENANCE REMOVED AND REPLACED BOTH FORWARD AND AFT SECTIONS OF CORRODED FLOOR SEAT TRACKS IAW SRM 51-40-02. (M)

Part: SEAT TRACK — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, THE RIGHT FLOOR SEAT TRACK, FORWARD SECTION, WAS FOUND TO BE CORRODED OUT OF ALLOWABLE LIMITS FROM FRAME 15 TO FRAME 32. MAINTENANCE REMOVED CORRODED FORWARD SECTION OF THE RIGHT FLOOR SEAT TRACK. A NEW SEAT TRACK WAS FABRICATED AND INSTALLED IAW SRM 51-40-02. (M)

Part: SEAT TRACK — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, THE LEFT WALL SEAT TRACK, FORWARD SECTION, WAS FOUND TO BE CORRODED FROM FRAME 17 TO 32. THE LEFT, AFT SECTION, OF THE WALL SEAT TRACK WAS ALSO FOUND TO BE CORRODED BETWEEN FRAMES 34 AND 38. MAINTENANCE REMOVED CORRODED SEAT TRACKS AS WELL AS FABRICATED NEW TRACKS IAW SRM 51-40-02. THE NEW TRACKS WERE INSTALLED IAW SRM 53-20-11. (M)

Part: STRINGER — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, STRINGER 17 LEFT WAS FOUND CORRODED BETWEEN FRAME 21 AND STATION 6653.1. MAINTENANCE REMOVED AND REPLACED CORRODED STRINGER IAW SRM 51-25-00, 51-20-00, 51-10-02, AND 51-30-01. (M)

Part: BUTTSTRAP — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, THE LEFT BUTT STRAP FROM FRAME 14 TO STATION 6653.1 WAS FOUND CORRODED. THE CORROSION WAS FOUND TO BE OUT OF LIMITS AT FRAMES 14 AND 15. MAINTENANCE REMOVED THE CORRODED BUTT STRAP IAW SRM 51-40-02. A NEW BUTT STRAP WAS INSTALLED PER THE SAME SRM. (M)

Part: BUTTSTRAP — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, CORROSION FOUND ON THE CENTER BUTT STRAP FROM FRAMES 13 TO 16. MAINTENANCE REMOVED AND REPLACED THE CORRODED CENTER BUTT STRAP IAW SRM 51-40-02. (M)

Part: BUTTSTRAP — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, THE CENTER BUTT STRAP, FROM FRAME 16 TO STATION 6653.1, WAS FOUND CORRODED. MAINTENANCE REMOVED AND REPLACED THE CORRODED CENTER BUTT STRAP IAW SRM 51-40-02. (M)

Part: BUTTSTRAP — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, THE RIGHT BUTT STRAP WAS DISCOVERED CORRODED FROM FRAME 13 TO STATION 6653.1. MAINTENANCE REMOVED AND REPLACED RIGHT CORRODED BUTT STRAP IAW SRM 51-40-02. (M)

Part: SKIN — CRACKED (FUSELAGE)

DURING SCHEDULED MAINTENANCE IN TXK, A SKIN CRACK, APPROXIMATELY .75 INCH LONG, WAS FOUND .5 INCH ABOVE THE TOP BRACKET FASTENER ON THE CAPTAINS LOWER FORWARD CORNER OF THE DV WINDOW POST. MAINTENANCE PERFORMED A TEMP REPAIR IAW ASA EO 120-53-1068. MAINTENANCE PERFORMED A PERM REPAIR IAW ASA EO 120-53-0169. (M)

Part: SKIN — CRACKED (FUSELAGE)

DURING SCHEDULED MAINTENANCE IN TXK, A SKIN CRACK, APPROX .75 INCH LONG, WAS FOUND .5 INCH ABOVE THE TOP BRACKET FASTENER ON THE CAPTAINS LOWER FORWARD CORNER OF THE DV WINDOW POST. MAINTENANCE PERFORMED A TEMPORARY REPAIR IAW ASA EO 120-53-0168. THIS EO PROVIDES FOR A TEMPORARY FLIGHT AUTHORIZATION FOR A SKIN CRACK BELOW THE CAPTAINS DV WINDOW. THIS EO ALSO OUTLINES THE REMOVAL OF A SHEAR CLIP, REFERENCING SERVICE BULLETIN 120-53-0073. THIS AIRCRAFT REQUIRES DAILY INSPECTION FOR PROPAGATION DURING THE NEXT 100 FLIGHT CYCLES. (M)

Part: CONTROL PANEL — FAULTY (COCKPIT)

FLT 4183 - DURING FLIGHT FROM DHN TO ATL, CAPTAIN REPORTS SMOKE BEING EMITTED FROM THE LEFT SIDE AUDIO CONTROL PANEL. AIRCRAFT DIVERTED AND LANDED SAFELY IN CSG. MAINTENANCE REMOVED AND REPLACED THE LEFT AUDIO CONTROL PANEL. MAINTENANCE ALSO INSPECTED THE WIRING AND CANNON PLUG FOR ANY EVIDENCE OF ELECTRICAL SHORTS, BUT NO DEFECTS WERE NOTED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. (M)

Part: BATTERY — DISCHARGED (SMOKE DETECT)

FLT 4222 - AFTER TAKEOFF FROM GPT, CAPTAIN REPORTED LAVATORY SMOKE DETECTOR SOUNDING. AIRCRAFT RETURNED TO GPT AND LANDED SAFELY. MAINTENANCE REMOVED AND REPLACED BATTERY IN LAVATORY SMOKE DETECTOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. (M)

Part: RAM AIR DOOR — STUCK (FUSELAGE)

FLT 4159 - AFTER TAKEOFF FROM ATL, BOTH PILOTS SMELLED A BURNING ODOR FOLLOWED BY THE LAVATORY SMOKE DETECTOR SOUNDING. RIGHT PACK FAIL MESSAGE ILLUMINATED. AIRCRAFT RETURNED AND LANDED SAFELY IN ATL. MAINTENANCE FOUND RIGHT RAM AIR DOOR STUCK. MAINTENANCE LUBRICATED RAM AIR DOOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. (M)

Part: LATCH — UNLATCHED (LT ENG COWL)

INBOUND MEI-ATL AT 11,000 FT, EXPERIENCED A JOLT WITH ALL ENG PARAMETERS NORM AND NO DOOR LIGHTS ILLUMINATED. THE F/A REPORTED THAT SOMETHING HAD HIT THE LEFT ENG AREA. THE CREW NOTED THE COWLING WAS IN A VERTICAL POSITION AND DISTORTED. DECLARED EMERG AND LANDED W/O INCIDENT. THE A/C TAXIED TO GATE WITH LEFT ENG SHUTDOWN. THE A/C WAS POSITIONED TO MCN FOR FURTHER INSPECTION/REPAIR. MCN MX INSPECTED THE A/C, FOUND NO EVIDENCE OF A BIRD STRIKE AND DETERMINED THAT THE FORWARD OUTBOARD COWL DOOR FORWARD LATCHES WERE NOT ENGAGED, ALLOWING THE DOOR TO COME LOOSE. MCN MX REMOVED AND REPLACED THE INTERMEDIATE COWL WITH INBD AND OTBD COWL DOORS IAW SRM 51-00-00. THE A/C WAS RELEASED FOR FURTHER SERV. (M)

Part: SEAL — DEFECTIVE (CARGO DOOR)

CRW/ATL - INBOUND, LOST CABIN PRESSURIZATION AT 20,000 FEET. CREW TRIED MANUAL PRESSURIZATION, IT DID NOT WORK. PERFORMED AN EMERGENCY DESCENT. PASSENGER OXYGEN MASKS DID NOT DEPLOY, HOWEVER, GOT CABIN ALTITUDE LIGHT AND AURAL WARNING. LANDED SAFELY AND WITHOUT INCIDENT IN ATL. REMOVED AND REPLACED CARGO DOOR SEAL. OPERATIONAL AND LEAK CHECKS WERE GOOD. INSPECTED PASSENGER OXYGEN MASKS, ALL MASKS DEPLOYED ON TEST. AIRCRAFT RETURNED TO SERVICE. (X)

Part: CIRCUIT BREAKER — TRIPPED (LT COCKPIT)

DURING FLT FROM ATL-DHN, EMERGENCY DC BUS ONE FAILED, CAUSING THE LOSS OF CAPTAINS ALTIMETER, COMM 1, NDB, LEFT T6, LEFT TORQUE, CAPTAINS FLIGHT DIRECTOR, N/W/S (TILLER AND PEDALS), ONE CHANNEL OF MAP, AND LANDING GEAR 'B' LIGHTS. FLIGHT DIVERTED TO MCN WHERE LANDING WAS MADE SAFELY AND WITHOUT INCIDENT. RESET EMERGENCY DC BUS ONE CIRCUIT BREAKER IN CAPTAINS LEFT FORWARD CONSOLE. OPERATIONAL CHECKS WERE GOOD AND THE FLIGHT TO DHN WAS RESUMED. THE EMERGENCY DC BUS ONE CIRCUIT BREAKER ON THIS AIRCRAFT WILL BE REPLACED AS A PRECAUTION. (M)