N248AT

Part: UPLOCK — UNLOCKED (NLG) · airframe 25,155 hrs · 25,295 cycles

A NOISE WAS HEARD UNDER THE CAPTAIN SEAT WHEN GEAR IS EXTENDED. REMOVED AND REPLACED UPLOCK BOX.

Part: WARNING SYSTEM — FALSE ACTIVATION (LT ENGINE)

FLT 5536 - STI - LEFT ENGINE FIRE WARNING CAME ON DURING APPROACH TO SANTIAGO, D.R. ENGINE SHUT DOWN AND BOTTLE WAS SHOT. AIRCRAFT LANDED WITH NO FURTHER PROBLEMS. BOTTLE AND CARTRIDGE REPLACED. ENGINE POWER RUN PERFORMED AND NO FURTHER FIRE WARNING NOTED. (M)

Part: SEAT TRACKS — CORRODED (CABIN)

SAW - DURING D-CHECK INSPECTION, MAINTENANCE DISCOVERED THE LEFT AFT INBOARD, LEFT AFT OUTBOARD AND RIGHT AFT FLIGHT ATTENDANT SEAT TRACKS CORRODED OUT OF LIMITS. MAINTENANCE REMOVED AND REPLACED ALL THREE SEAT TRACKS IAW SRM 51-25-02. AIRCRAFT RETURNED TO SERVICE. (M)

Part: SEAT TRACKS — CORRODED (CABIN)

SAW - DURING D-CHECK INSPECTION, MAINTENANCE DISCOVERED THE LEFT AFT INBOARD, LEFT AFT OUTBOARD AND RIGHT AFT FLIGHT ATTENDANT SEAT TRACKS CORRODED OUT OF LIMITS. MAINTENANCE REMOVED AND REPLACED ALL THREE SEAT TRACKS IAW SRM 51-25-02. AIRCRAFT RETURNED TO SERVICE. (M)

Part: WEB — CORRODED (CABIN)

SAW - DURING D-CHECK INSPECTION MAINTENANCE DISCOVERED, THE WEB PLATE WEB BETWEEN FRAME 35 AND 36 ON THE LEFT SIDE CORRODED BY GALLEY. MAINTENANCE REMOVED AND REPLACED WEB PLATE AND WEB IAW SRM 51-25-02. AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: DRAIN — CORRODED (CABIN)

SAW - DURING D-CHECK INSPECTION, MAINTENANCE DISCOVERED THE PASSENGER DOOR SILL PLATE DRAIN TRACK CORRODED AND FORWARD STIFFENER CRACKED BETWEEN FRAMES 36 AND 38. MAINTENANCE REMOVED AND REPLACED THE DRAIN TRACK AND STIFFENER IAW SRM 51-25-03. AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: FLOORBEAM — CORRODED (CABIN)

SAW - DURING D-CHECK INSPECTION MAINTENANCE DISCOVERED FLOORBEAM 35 HAD A HOLE DRILLED IN IT AND MAINTENANCE SPLICED IN A NEW SECTION TO FLOORBEAM 35 IAW SRM 53-00-00 FIGURE 429. MAINTENANCE REMOVED AND INSTALLED FLOORBEAMS 36 AND 38 IAW SRM 51-25-02. AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: COVER — CORRODED (CABIN)

SAW - DURING D-CHECK INSPECTION, MAINTENANCE DISCOVERED THE LEFT AFT OUTBOARD SEAT TRACK COVER CORRODED BETWEEN FRAMES 35 AND 36. MAINTENANCE REMOVED AND REPLACED COVER IAW SRM 51-25-02. AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: FLOORBEAM — CORRODED (CABIN)

SAW - DURING D-CHECK INSPECTION MAINTENANCE DISCOVERED FLOORBEAM 35 HAD A HOLE DRILLED IN IT AND MAINTENANCE SPLICED IN A NEW SECTION TO FLOORBEAM 35 IAW SRM 53-00-00 FIGURE 429. MAINTENANCE REMOVED AND INSTALLED FLOORBEAMS 36 AND 38 IAW SRM 51-25-02. AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: FLOORBEAM — CORRODED (CABIN)

SAW - DURING D-CHECK INSPECTION MAINTENANCE DISCOVERED FLOORBEAM 35 HAD A HOLE DRILLED IN IT AND MAINTENANCE SPLICED IN A NEW SECTION TO FLOORBEAM 35 IAW SRM 53-00-00 FIGURE 429. MAINTENANCE REMOVED AND INSTALLED FLOORBEAMS 36 AND 38 IAW SRM 51-25-02. AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: STIFFENER — CRACKED (CABIN)

SAW - DURING D-CHECK INSPECTION, MAINTENANCE DISCOVERED THE PASSENGER DOOR SILL PLATE DRAIN TRACK CORRODED AND FORWARD STIFFENER CRACKED BETWEEN FRAMES 36 AND 38. MAINTENANCE REMOVED AND REPLACED THE DRAIN TRACK AND STIFFENER IAW SRM 51-25-03. AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: WEB — CORRODED (CABIN)

SAW - DURING D-CHECK INSPECTION MAINTENANCE DISCOVERED, THE WEB PLATE WEB BETWEEN FRAME 35 AND 36 ON THE LEFT SIDE CORRODED BY GALLEY. MAINTENANCE REMOVED AND REPLACED WEB PLATE AND WEB IAW SRM 51-25-02. AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: CONNECTOR — SHORTED (CABIN)

HOU - FLT 3530 - NR 1, 3, 5, 7 AND 9 EMERGENCY PROX LIGHTS INOP. DEFERRED AS PER MEL 33-22 AUTH NR 090179. RAI'D LIGHT SOCKET ASSY AT THE NR 1 POSITION. OPS CHECK GOOD, REMOVED MEL 33-22 AND RETURNED AIRCRAFT TO SERVICE. (M)

Part: BULB — LOOSE (PAX DOOR)

DFW - FLT 3711 - EMERGENCY EXIT LIGHT IN PASSENGER DOOR STEP INOP. RESEATED LIGHT BULB IN PASSENGER STEP. OPS CHECK GOOD. AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: BULB — FAILED (PAX DOOR)

DFW - FLT 3711 - EMERGENCY EXIT LIGHT IN PASSENGER DOOR STEP INOP. REPLACED LIGHT BULB IN PAX DOOR STEP, OPS CHECK GOOD. AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: WIRE HARNESS — SHORTED (NR 2 ENGINE)

ORD - FLT 4061 - CREW REPORTED, NR 2 ENGINE TQ, ITT, NH, AND NL SURGED CONTINOUSLY DURING FLIGHT. TQ WENT TO AT LEAST 108, ITT 800. CREW SHUT DOWN THE NR 2 ENGINE AND RETURNED TO ORD, AIRCRAFT LANDED WITHOUT INCIDENT. RAI'D NR 2 ENGINE ELECTRICAL WIRE HARNESS. GROUND CHECKED AND FLIGHT CHECKED AIRCRAFT. NO DISCREPANCIES NOTED. AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: FUEL CONTROL — FAILED (NR 2 ENGINE)

FLT 4387 - TOL - NR 2 ENGINE LOST POWER AND CREW SHUT DOWN ENGINE IN FLIGHT. AIRCRAFT DIVERTED AND LANDED SAFELY AT TOL. INVESTIGATION FOUND THE MFCU AT FAULT. RAI'D NR 2 ENGINE MFCU IAW ATR-72 JIC 73-21-61. OPS CHECK AND LEAK CHECK GOOD. AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: CONTROL LEVER — FAILED (COCKPIT)

MKE - FLT 4321 - LANDING GEAR FAILED TO RETRACT AFTER TAKEOFF FROM MKE. WITH LANDING GEAR HANDLE IN THE UP POSITION AND HYD PRESSURE NORMAL. THE LIGHT INDICATION SYSTEM SHOWED SIX GREEN LIGHTS AND ALSO THREE RED UNLOCK LIGHTS ON FORWARD PANEL. CONTINUED FLIGHT TO ORD AND LANDED SAFELY. RAI'D LANDING CONTROL LEVER AND PERFORMED OPS CHECK PER ATR-72 JIC TASKS. OPS CHECK NORMAL. AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: SGU — FAILED (NR 2 EFIS)

ORD - FLT 4051 - AFTER TAKEOFF ROTATION BOTH EFIS SCREENS ON FO'S SIDE WENT BLANK ACCOMPANIED BY GPWS, DON'T SINK, STICK PUSHER FAULT AND GEAR NOT DOWN WARNING. REPLACED NR 2 EFIS SGU IAW 34-71-10. OPS CHECK GOOD. AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: POWER SUPPLY — INOPERATIVE (CABIN)

DFW - FLT NR 3851 - EMERGENCY FLOOR LIGHTS AT ROWS 1,3, 5 INOPERABLE ISSUED MEL. RAI'D FUSE AT 61WL AND RAI'D POWER SUPPLY AT 62WL NOTED BELOW. (M)

Part: FUSE — FAILED (CABIN)

DFW - WHILE PARKED AT THE GATE, THE DEPARTING CREW FOUND SEVERAL EMERGENCY LIGHTS INOPERABLE. MAINTENANCE REPLACED THE POWER SUPPLY FUSE. OPS CHECKED GOOD, AIRCRAFT RETURNED TO SERVICE. (X)

Part: BEARING — LOOSE (LT AILERON)

DFW - DURING COMPLIANCE OF ENGINEERING ORDER E9-2700-001 REPETITIVE INSPECTION OF AILERON CONTROL SYSTEM (AD 93-22-10). MAINTENANCE FOUND THE NR 4 IDLER ARM IN THE LEFT WING WITH A LOOSE BEARING. IDLER ARM WAS REMOVED AND REPAIRED BY INSTALLING A NEW BEARING IAW SRM 51-25-21. MAINTENANCE REINSTALLED IDLER ARM ON AIRCRAFT. OPERATIONAL CHECK WAS SATISFACTORY AND AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: EEL BATTERY PACK — DISCHARGED (CABIN)

ORD - FLT NR 4171 - TWO EMERGENCY FLOOR LIGHTS INOP. REMOVED AND INSPECTED BATTERY PACK FOR ONE 73WL EMERGENCY LIGHT AND DEFERRED OTHER LIGHT AS PER MEL. AIRCRAFT RETURNED TO SERVICE. (M)