N338SB

Part: BALLAST — DEFECTIVE (CABIN)

DFW - FLT 3525 - DURING PREFLIGHT, CREW NOTED A STRONG SMELL OF BURNING WIRE OR INSULATION. MAINTENANCE FOUND A BAD LIGHT BALLAST AT LOCATION 22. BALLAST WAS REMOVED AND REPLACED IAW SAAB MM. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)

Part: SKIN — DAMAGED (LT NACELLE)

ABI - DURING AN HMBV INSPECTION, MAINTENANCE FOUND DAMAGE IN THE LEFT NACELLE EXTERIOR SKIN. DAMAGE WAS REPAIRED IAW SAAB REPAIR STATEMENT 340SDS002123. AIRCRAFT WAS THEN RETURNED TO SERVICE. (M)

Part: FRAME — DAMAGED (FUSELAGE)

ABI - DURING MBV, FRAME 658.5 WAS FOUND TO HAVE WEB DAMAGE ON THE RIGHT SIDE ABOVE WL 73.5. REMOVED AND REPLACED LOWER PORTION OF FRAME 658.5 AT THE FACTORY SPLICES. WORK DONE IAW SAAB 340 SRM (72LKS 3079 REV 37) 51-40-21, 51-40-22, 51-20-50, 51-40-40, 51-20-42, 51-20-43, CPM (72LKS 5585 REV 2) 20-20-00 AND STANDARD SRM PRACTICES. (M)

Part: BULB — FAILED (ROW 4)

DFW - FLT 3252 - FLOOR PROXIMITY EMERGENCY LIGHT AT 4B INOPERATIVE. REMOVED AND REPLACED BULB AT 4B. OPS CHECK GOOD. (M)

Part: BULB — FAILED (ROW 8)

DFW - FLT 3503 - EMERGENCY EXIT LIGHT AT 8A INOPERATIVE. REMOVED AND REPLACED BULB AT 8A. OPS CHECK GOOD. (M)

Part: DOWNLOCK SWITCH — INTERMITTENT (MLG)

DFW - FLT 3401 - SHORTLY AFTER TAKEOFF LEFT MAIN LANDING GEAR GREEN LIGHT CAME ON. LIGHT WAS INTERMITTENT. PERFORMED INSPECTION AND FOUND SEVERAL FRAYED WIRES AT DOWNLOCK SWITCH HARNESS. REPAIRED IAW MM 20-00-00. OPS CHECK GOOD IAW 32-30-00. AIRCRAFT RETURNED TO SERVICE. (M)

Part: SKIN — DENTED (CARGO DOOR)

ABI - DURING A MBV INSP, DENTS DISCOVERED ON THE CARGO DOOR SKIN BEYOND SRM LIMITS. PERFORMED EDDY CURRENT INSP AND A BOND TEST. CUT OUT DAMAGED AREA OF ONE OF THE DENTS, SECOND DENT WAS NOT TO BE CUT OUT. DEBURRED AND SMOOTHED EDGES OF THE CUT-OUT. FABRICATED A FILLER PLATE AND A DOUBLER PLATE .032 INCH THICK. FILLED HONEYCOMB CORE WITH EPOXY FILLER LY/HY 5052. INSTALLED THE FILLER PLATE AND APPLIED PRESSURE. CLEANED THE REPAIR AREA AND THE DOUBLER AND BONDED DOUBLER PLATE TO THE SKIN WITH ADHESIVE EA 9330. APPLIED DISTRIBUTED PRESSURE TO THE DOUBLER UNTIL CURED. RESTORED SURFACE FINISH. WORK DONE IAW SAAB REPAIR STATEMENT NR 72SDS1416 AND SAAB 340 SRM 52-10-10. AIRCRAFT OK FOR SERVICE. (X)

Part: CONNECTOR — LOOSE (CARGO BAY)

AEX - FLT 5092 - CARGO SMOKE WARNING LIGHT ILLUMINATED AND EXTINGUISHED. DISCHARGED ONE FIRE EXTINGUISHER AND DIVERTED INTO AEX. TIGHTENED LOOSE CANNON PLUG AT THE AFT/UPPER SMOKE DETECTOR AND DEFERRED THE FIRE EXTINGUISHER UNTIL AIRCRAFT RETURNED TO DALLAS. AT THAT TIME, THE SMOKE DETECTORS WERE CLEANED, THE FIRE EXTINGUISHER WAS REPLACED, THE MEL WAS CLEARED. THE SYSTEM WAS OPERATIONALLY CHECKED WITH NO FURTHER DISCREPANCIES NOTED. AIRCRAFT RETURNED TO SERVICE. (M)

Part: GENERATOR — FAILED (RT ENGINE)

TXK - FLT 5008 - RIGHT AC GENERATOR AND INLET LIGHT ILLUMINATED. SHORTLY AFTER THE RIGHT ENGINE OIL PRESSURE WARNING LIGHT ILLUMINATED ON THE CWP. RIGHT PROP GEARBOX OIL PRESSURE WAS SEEN TO BE DECREASING WHILE THE OIL TEMP WAS INCREASING. OIL WAS SEEN STREAMING FROM THE FRONT OF THE COWLING. AS OIL PRESSURE WAS GOING THROUGH THE YELLOW ARC, ENGINE WAS SHUT DOWN. AIRCRAFT DIVERTED INTO TXK. CREW REPORTED LARGE PUDDLE OF OIL UNDER RIGHT ENGINE AFTER PARKING ON THE RAMP. FOUND THAT THE AC GENERATOR FAILURE PROBABLY DAMAGED THE MOUNT/GARLOCK SEAL AND RESULTED IN FLUID LOSS. REMOVED AND REPLACED RIGHT ENGINE ASSEMBLY. AIRCRAFT RETURNED TO SERVICE. (M)

Part: POWER SUPPLY — DISCHARGED (CABIN)

OVERHEAD EMERGENCY LIGHTS AT SEAT 9A AND 11A DO NOT ILLUMINATE. REMOVED AND REPLACED EMERGENCY LIGHT POWER SUPPLY AT ROWS 9/10. OPERATIONAL CHECK GOOD. (X)

Part: BULB — INOPERATIVE (CABIN)

DFW - FLT 5166 - TWO EMERGENCY OVERHEAD LIGHTS AT ROWS 9 AND 11 DO NOT ILLUMINATE. REMOVED AND REPLACED BULBS AT ROWS 9 AND 11 OVERHEAD LIGHTS. OPERATIONAL CHECK GOOD. (X)

Part: SMOKEDETECTOR — DEFECTIVE (E/E COMPT)

FLIGHT 5034, BTR, AVIONICS SMOKE LIGHT ILLUMINATED. REPLACED THE SMOKE DETECTOR.

Part: WINDSHIELD — FAILED (LT COCKPIT)

CREW REPORTED SMELL OF HOT METAL OR INSULATION BURNING IN THE COCKPIT. MAINTENANCE FOUND THE LEFT FRONT COCKPIT WINDSHIELD HEATING ELEMENTS BURNED OUT. REPLACED WINDSHIELD.

Part: AIR DISTRIBUTION — ODOR (COCKPIT)

CREW REPORTED A HOT SMELL OR BURNING INSULATION IN THE COCKPIT BUT NO SMOKE NOTED. MAINTENANCE REMOVED THE AVIONICS RACK DOOR AND PANELS, CIRCUIT BREAKER PANELS, ACP, BOTH EFIS SCREENS, HOT JUGS, GALLEY LIGHTS AND THE TAPE PLAYER. INSPECTED ALL AREAS, FOUND NO DAMAGE AND COULD DUPLICATE ANY ABNORMAL SMELL.

Part: SMOKE DETECTOR — DEFECTIVE (CARGO COMPT)

CARGO SMOKE LIGHT CAME ON, CREW FIRED EXTINGUISHER NR 1, THE LIGHT WENT OUT. MAINTENANCE REPLACED BOTH FORWARD AND AFT CARGO SMOKE DETECTORS. REPLACED NR 1 CARGO FIRE EXTINGUISHER.

Part: LAMP — FAILED (CABIN)

DURING PREFLIGHT CREW, FOUND FLOOR EMERGENCY LIGHT AT ROW 8 INOPERATIVE. MAINTENANCE RELAMPED THE FLOOR EMERGENCY EXIT LIGHT LEFT SIDE ROW 8A.

Part: CONTROL CABLE — DEFECTIVE (PARKING BRAKE)

CREW REPORTS THAT THE PARKING BRAKE FRICTION LOCK SLIPS, RELEASING THE PARKING BRAKE UNEXPECTEDLY. MAINTENANCE REPLACED THE INNER PARKING BRAKE TELEFLEX CABLE AND RELEASED THE AIRCRAFT TO SERVICE WITH NO FURTHER PROBLEMS.

Part: CONNECTOR — CONTAMINATED (NR 2 HOT JUG)

THE FLIGHT ATTENDANT REPORTED SMELLING AN ELECTRICAL BURNING SMELL AT THE NR 2 HOT JUG. UPON INVESTIGATION, MAINTENANCE FOUND THE EXTERIOR OF THE WATER JUG SOAKED WITH WATER AND WATER IN THE ELECTRICAL CONNECTION. THE JUG AND THE ELECTRICAL CONNECTION WERE DRIED WITH NO FURTHER PROBLEMS NOTED.

Part: UNIVERSAL JOINT — FAILED (NLG STEERING)

DURING TAXI, THE NOSE WHEEL STEERING BECAME INEFFECTIVE IN A TURN TO THE LEFT. UPON INVESTIGATION, MAINTENANCE FOUND STEERING UNIVERSAL JOINT IN GEARBOX (LEFT SIDE COCKPIT SIDE PANEL) FAILED. REMOVED AND REPLACED BOTH UNIVERSAL JOINTS ON STEERING LINK IAW AMM 32-50-10. AIRCRAFT TAXI CHECK GOOD. THIS IS THE THIRD OCCURRENCE OF THIS PART FAILURE IN THE PAST MONTH, ALL ON DIFFERENT AIRCRAFT.

Part: AIR DISTR — ODOR (COCKPIT)

FLIGHT 5382 (ABI/DFW), PILOT REPORTED SMELLING A BURNING OIL ODOR COMING FROM THE BLEED AIR SYSTEM. MAINTENANCE RAN THE RIGHT AND LEFT ENGINES FOR 30 MINUTES WITH ACMS ON AND THE BLEED VALVES OPEN. NO ODOR NOTED. THE AIRCRAFT WAS RETURNED TO SERVICE.