N638AS

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING HANGAR MAINTENANCE IN TXK, TRACK EMERGENCY LIGHTING AT GALLEY WAS FOUND TO BE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED NR 1 EMERGENCY BATTERY PACK. OPERATIONAL CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)

Part: REGULATOR VALVE — LEAKING (CENTER WING)

WHILE PERFORMING A GO AROUND PROCEDURE, CLIMBING TO 4000 FEET, THE FLIGHT CREW RECEIVED A DUCT LEAK WARNING FOR THE RT ENGINE. THE APPROPRIATE CHECKLIST WAS COMPLIED WITH, BUT THE LIGHT DID NOT EXTINGUISH. IAW THE CHECKLIST THE CAPTAIN SECURED THE RT ENGINE, AND THE LIGHT WENT OUT. AN EMERGENCY WAS DECLARED, AND THE AIRCRAFT LANDED SAFELY. MAINTENANCE FOUND A LEAK AT THE RT ENGINE PRESSURE LINE PRESSURE REGULATOR. MAINTENANCE REMOVED AND REPLACED THE PRESSURE REGULATOR VALVE. OPERATIONAL AND LEAK CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: LIGHT — BURNED OUT (CABIN)

DURING SCHEDULED INSPECTION IN MCN, THE FORWARD MOST WHITE FLOOR EMERGENCY LIGHT WAS INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE BURNED OUT BULB ON THE FLOOR EMERGENCY LIGHT TRACK. OPERATIONAL CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)

Part: SEAT TRACK — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, THE LEFT FLOOR SEAT TRACK, FORWARD SECTION , WAS FOUND WITH CORROSION BETWEEN FRAMES 17 AND 32. MAINTENANCE REMOVED AND REPLACED THE CORRODED SEAT TRACK USING SRM 51-40-02, SRM 51-25-00, SRM 51-21-01, ASA EO 120-25-0007, AND THE MM 53-01-05 AS REF. (M)

Part: STRAP — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, THE CENTER BUTT STRAP WAS FOUND CORRODED BETWEEN FRAMES 16 AND 21. MAINTENANCE REMOVED AND REPLACED THE CORRODED SECTION OF BUTT STRAP IAW SRM 51-40-02 AND ASA EO 120-53-0173. (M)

Part: SEAT TRACK — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, THE RIGHT WALL SEAT TRACK, FORWARD SECTION, WAS FOUND WITH CORROSION BETWEEN FRAMES 16 AND 31. MAINTENANCE REMOVED AND REPLACED THE CORRODED SEAT TRACK USING SRM 51-40-02, SRM 51-25-00, SRM 51-21-02, ASA EO 120-25-0007, AND THE MM 53-01-05 AS REF. (M)

Part: SEAT TRACK — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, THE RIGHT WALL SEAT TRACK, FORWARD SECTION, WAS FOUND WITH CORROSION BETWEEN FRAMES 16 AND 31. MAINTENANCE REMOVED AND REPLACED THE CORRODED SEAT TRACK USING SRM 51-40-02, SRM 51-25-00, SRM 51-21-02, ASA EO 120-25-0007, AND THE MM 53-01-05 AS REF. (M)

Part: SEAT TRACK — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, THE AFT RIGHT SEAT TRACK HAD CORROSION FROM FRAME 34 TO 40. MAINTENANCE REMOVED THE RIGHT AFT SEAT TRACK FROM FRAMES 34 TO 40 IAW SRM 51-40-02. A NEW TRACK WAS FABRICATED AND MADE READY FOR INSTALLATION IAW SRM 51-25-00 AND SRM 51-21-02. THE NEW SEAT TRACK WAS INSTALLED IAW THE MM 53-01-05. (M)

Part: CROSSBEAM — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, THE LEFT CROSSBEAM AT FRAME 20 WAS FOUND CORRODED BETWEEN THE FLOOR SILL AND THE LEFT BUTT STRAP. MAINTENANCE REMOVED AND REPLACED THE CORRODED CROSSBEAM IAW SRM 51-40-02. M)

Part: SILL — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, THE RIGHT FLOOR SILL WAS FOUND CORRODED FROM FRAMES 44 TO 47. MAINTENANCE REMOVED AND REPLACED THE CORRODED FLOOR SILL IAW SRM 51-40-02. (M)

Part: SILL — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, THE SILL PLATE AT FRAME 13, RUNNING LEFT TO RIGHT, WAS CORRODED FROM THE CENTER TO THE RIGHT SIDE. MAINTENANCE CUT AWAY THE DAMAGED PORTION OF THE SILL PLATE. A NEW REPLACEMENT PART AND SPLICE PLATE WERE FABRICATED IAW SRM 51-10-02, SRM 51-21-05, AND SRM 51-21-06. MAINTENANCE INSTALLED THE SILL REPAIR IAW SRM 51-40-02. (M)

Part: BUTTSTRAP — CORRODED (FUSELAGE)

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

Part: FLOORBEAM — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, FOUND CORROSION ON THE CENTER OMEGA BEAM BETWEEN FRAME STATION 5518-5533. MX REPAIRED THE CORRODED OMEGA BEAM IAW ASA EO120-53-0173. (M)

Part: CROSSBEAM — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, ALL CROSSBEAMS AT FRAME 16 WERE FOUND TO BE CORRODED. MAINTENANCE REMOVED AND REPLACED THE CORRODED CROSSBEAMS IAW SRM 51-40-02. (M)

Part: SEAT TRACK — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, THE AFT, LEFT INBOARD SEAT TRACK, BETWEEN FRAMES 34 AND 40 WAS FOUND TO HAVE CORROSION. MAINTENANCE REMOVED AND REPLACED THE CORRODED SEAT TRACK IAW SRM 51-40-02. A NEW SEAT TRACK WAS FABRICATED IAW SRM 51-25-00, 51-21-02, AND 51-20-05. (M)

Part: STRINGER — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, CORROSION WAS FOUND ON STRINGER 18 LEFT BETWEEN FRAME STATION 4214 AND 4992. MAINTENANCE REMOVED AND REPLACED THE DAMAGED PART OF THE STRINGER IAW SRM 53-00-03, 51-25-00, AND 51-40-02. (M)

Part: STRINGER — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, STRINGER 19 LEFT WAS FOUND TO BE CORRODED BETWEEN FRAMES 13A AND 15A. MAINTENANCE REMOVED AND REPLACED THE CORRODED STRINGER IAW SRM 53-00-03 AND 51-40-02. (M)

Part: SILL — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, CORROSION WAS FOUND ON THE RIGHT SILL PLATE BETWEEN FRAMES 38 AND 44. MAINTENANCE REMOVED AND REPLACED THE CORRODED SILL PLATE IAW SRM 51-40-02. (M)

Part: CROSSBEAM — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, THE RIGHT OUTBOARD CROSS FRAME WAS FOUND TO BE CORRODED AT FRAME 26. MAINTENANCE REMOVED AND REPLACED THE CORRODED CROSS FRAME IAW SRM 51-30-01 AND 51-30-02. (M)

Part: BUTTSTRAP — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, THE LEFT BUTT STRAP WAS FOUND CORRODED BETWEEN FRAMES 25 AND 30. MAINTENANCE REMOVED AND REPLACED THE CORRODED BUTT STRAP IAW SRM 51-40-02. (M)

Part: SEAT TRACK — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, THE FORWARD SECTION OF THE LEFT WALL SEAT TRACK WAS FOUND CORRODED BETWEEN FRAMES 17 AND 32. MAINTENANCE REMOVED AND REPLACED THE CORRODED SEAT TRACK IAW SRM 51-40-02. (M)

Part: CROSSBEAM — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, A CROSS FRAME WAS FOUND CORRODED AT FRAME 23 BETWEEN THE RIGHT AND CENTER BUTT STRAPS. MAINTENANCE REMOVED AND REPLACED THE CORRODED CROSS FRAME 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 BETWEEN FRAMES 16 AND 31. MAINTENANCE REMOVED AND REPLACED THE CORRODED SEAT TRACK IAW SRM 51-40-02. (M)

Part: SEAT TRACK — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, FOUND CORROSION ON THE AFT SECTION OF THE LEFT WALL SEAT TRACK BETWEEN FRAMES 32 AND 39. MAINTENANCE REMOVED AND REPLACED THE CORRODED SEAT TRACK IAW SRM 51-40-02. (M)

Part: SEAT TRACK — CORRODED (FUSELAGE)

DURING C-CHECK INSPECTION IN BNA, THE RIGHT AFT SECTION OF WALL SEAT TRACK WAS FOUND CORRODED BETWEEN FRAMES 34 AND 38. MAINTENANCE REMOVED AND REPLACED THE CORRODED SEAT TRACK IAW SRM 51-40-02. (M)

Part: LIGHT — INOPERATIVE (CABIN)

DURING HANGAR MAINTENANCE IN MCN, THE FLOOR TRACK LIGHTING WAS FOUND WITH ONE RED LIGHT INOPERATIVE AT ROW 8. MAINTENANCE REMOVED AND REPLACED BURNED OUT LAMP ON THE EMERGENCY FLOOR TRACK LIGHTING AT ROW 8. OPS CHECKS GOOD. AIRCRAFT OK FOR SERVICE. (M)

Part: BATTERY PACK — WEAK (CABIN)

DURNIG SCHEDULED MAINTENANCE IN MCN, EMERGENCY LIGHTS ON FLOOR AT ROWS 3 AND 4 HAD WEAK ILLUMINATION. MAINTENANCE REMOVED AND REPLACED THE NR 2 EMERGENCY LIGHT BATTERY. OPERATIONAL CHECK GOOD. AIRCRAFT OK FOR SERVICE. (M)

Part: LANDING GEAR — FAILED (NOSE)

FLT 4893 - DURNIG GEAR RETRACTION AFTER TAKEOFF, THE NOSE GEAR FAILED TO RETRACT AND A AND B RED AND GREEN LIGHTS ILLUMINATED. CREW LEVELED AIRCRAFT AT 5000 AND ENTERED APPROACH TO LAND. CREW WAS PERFORMING A QRH CHECKLIST WHEN THEY RECEIVED A HYDRAULIC WARNING LIGHT. CREW FLEW DOWN RUNWAY AT 200 AGL TO ALLOW GROUND PERSONNEL TO CHECK AIRCRAFT FOR DAMAGE. AFTER CREW WAS ADVISED OF NO DAMAGE, THEY DECLARED EMERGENCY AND LANDED SAFELY WITH FLAPS AT 15 DEGREES. MAINTENANCE FOUND NOSE GEAR PIN INSTALLED. NOSE GEAR PIN WAS REMOVED AND INSPECTED. FLUID WAS ADDED TO THE LEFT RESERVOIR. OPERATIONAL AND LEAK CHECKS WERE GOOD. AIRCRAFT RETURNED TO SERVICE. (M)

Part: FRAME — CRACKED (LT NACELLE)

FLUORESCENT PENETRANT INSPECTION INDICATED A CRACK IN THE LEFT NACELLE FORWARD FRAME NR 1. POSSIBLE CAUSE IS STILL UNDETERMINED. SUSPECT ENGINE TORQUE AND VIBRATION TO BE POSSIBLE CONTRIBUTING FACTORS. SB 120-54-0036 IS BEING INCORPORATED. (X)

Part: FRAME — CRACKED (RT NACELLE)

FLUORESCENT PENETRANT INSPECTION INDICATED A CRACK IN THE RIGHT NACELLE FORWARD FRAME NR 1. POSSIBLE CAUSE IS STILL UNDETERMINED. SUSPECT ENGINE TORQUE AND VIBRATION TO BE POSSIBLE CONTRIBUTING FACTORS. SB 120-54-0036 IS BEING INCORPORATED. (X)

Part: ACM — VIBRATES (WING/FUS)

SMELL OF SOMETHING HOT IN CABIN AND LIGHT HAZE SEEN BY FLIGHT ATTENDANT. BELIEVED LEFT PACK OVERHEAT. MAINTENANCE FOUND THE LEFT PACK TO OPERATE NORMALLY. RIGHT PACK VIBRATES AND DOES NOT COOL WELL. REMOVED AND REPLACED RIGHT ACM. (M)

Part: BLADE — DAMAGED (PROPELLER)

DISCONTINUITY - NR 2 RIGHT BLADE FILLET FAILED INSPECTION. DAMAGE TO THE FILLET AREA, BLADE FACE SIDE. THE BLADE IS SCRAP. CUSTOMER: ATLANTIC SOUTHEAST AIRLINES.