N435XJ

Part: BATTERY — DISCHARGED (FWD FLASHLIGHT) · airframe 36,403 hrs · 40,736 cycles

FLIGHT# 0058 EYW/FLL REPORT:EMERGENCY CABIN FLASHLIGHT NOT BLINKING. CORRECTIVE ACTION: R&R EMERGENCY FLASH LIGHT WITH SERVICEABLE FLASH LIGHT IAW AMM 25-62-10-04.

Part: BULB — BURNED OUT (FA PANEL) · airframe 36,406 hrs · 40,740 cycles

FLIGHT# 0122 FLL/EYW REPORT: EMERGENCY LIGHTS UNARMED CWP ONE BULB OUT. CORRECTIVE ACTION: REMOVED AND REPLACED ONE LAMP FOR CWP EMERGENCY LIGHT NOT ARMED IAW SAAB 31-50-10-02. OPS CHECKS GOOD.

Part: ENGINE — FAILED (LEFT) · airframe 35,861 hrs · 40,246 cycles

FLIGHT 0061 FLL/FLL REPORT: LEFT ENGINE HEAVY VIBRATION AT 500 FT AND ON T/O NOTICED TRQ AT 20 %. MEMORY ITEMS FOLLOWED QRC/ QRH FOLLOWED. EMERGENCY DECLARED. R&R LT ENG WITH SERVICEABLE ENG IAW MM-4 REF 71-00-55--01 & MM 72-00-00 OPS & LEAK CHECK GOOD.

Part: POWER SUPPLY — FAILED (EMERGENCY LIGHTS) · airframe 35,276 hrs · 39,685 cycles

REAR HALF OF EMERGENCY LIGHTS IN CABIN NOT INOPERATIVE. R & R THE POWER SUPPLY 24LN IAW AMM 33-50-10-04-1, OPS CHECKED GOOD.

Part: SKIN — DAMAGED (BS 803-820) · airframe 34,705 hrs · 39,099 cycles

FOUND DAMAGE ON AIRCRAFT SKIN BELOW RIGHT SIDE ELEVATOR, AND SCRATCH UNDER LEFT ELEVATOR. REPAIRED IAW SDS 043713.

Part: SEAL — MISSING (ENGINE) · airframe 34,194 hrs · 38,589 cycles

AT APPROXIMATELY 400 FT, THE LT ENGINE TORQUE DROPPED BELOW 40% THEN ROSE BACK TO 80%, 3 TIMES. THE AIRCRAFT YAWED REPEATEDLY TO THE LEFT AND THE OVER TEMP LIGHT ILLUMINATED. COULD HEAR POPPING ON THE LEFT, 3 TO 4 TIMES. PX REPORTED FIRE OUT THE BACK OF THE ENGINE. INSPECTED THE LT ENGINE AND FOUND PERISEAL MISSING AND HARDWARE, AIBSV STICKING, AND ALSO INSPECTED MID SCC CHECK VALVE AND CHECKED GOOD. REMOVED AND REPLACED AIBSV IAW AMM 75-00-00, PLUS ALL PACKING AND SEALS. INSTALLED MISSING HARDWARE AT NR 1 ENGINE PERI SEAL IAW AMM 36-11-40-04. PERFORMED OPS CHECK IAW 72-00-00. PERFORMED GROUND POWER RUNS AND FOUND LT ENGINE NOT FLUCTUATING OR ANY POPPING SOUNDS. LT ENGINE CHECKED NORMAL.

Part: CIRCUIT BREAKER — TRIPPED (EMERGENCY LIGHTS) · airframe 34,160 hrs · 38,553 cycles

L8 EMERGENCY LIGHT CIRCUIT BREAKER TRIPPED IN FLIGHT. REPLACED THE CIRCUIT BREAKER, OPERATIONAL TESTED GOOD.

Part: CIRCUIT BREAKER — POPPED (EMERGENCY LIGHTS) · airframe 34,160 hrs · 38,553 cycles

L8 EMERGENCY LIGHT CIRCUIT BREAKER TRIPPED IN FLIGHT . REPLACED THE CIRCUIT BREAKER, OPERATIONAL TESTED GOOD.

Part: BRACKET — BROKEN (AIRSTAIRS) · airframe 33,798 hrs · 38,184 cycles

AIRSTAIR ROLLER BRACKET BROKEN. R&R AIRSTAIR ROLLER BRACKET IAW CMM 52-60-01. OPS CHECK SATISFACTORY.

Part: STRUT — INOPERATIVE (AIRSTAIR) · airframe 33,359 hrs · 37,721 cycles

FA REPORTED AIR STAIR DIFFICULT TO OPEN. R & R AIRSTAIR GAS SPRING ASSY IAW CMM 52-60-01,OPS CHECK GOOD.

Part: SIGN — DEFECTIVE (EMERGENCY LIGHT) · airframe 33,245 hrs · 37,589 cycles

MAIN CABIN DOOR EXIT SIGN MISSING EXIT SIGN LETTERS. REMOVED AND REPLACED FWD EXIT DOOR SIGN IAW AMM 33-50-50-990-8021.

Part: POWER SUPPLY — FAILED (CABIN) · airframe 33,196 hrs · 37,516 cycles

EMERGENCY LIGHT POWER SUPPLY 20LN FAILS FUNCTIONAL TEST. R & R EMERGENCY LIGHTS POWER SUPPLY 20LN IAW MM 33-50-10-04-1. OPS CHECK GOOD.

Part: SWITCH — FAILED (COCKPIT) · airframe 33,196 hrs · 37,516 cycles

WHILE PERFORMING OPS TEST OF EMERGENCY LIGHTING SYS AMBER, ARMED LIGHT ON F/A PANEL DOES NOT ILLUMINATE WHEN COCKPIT EMERGENCY LIGHT SWITCH IS SET TO ARM POSITION FROM OFF POSITION. R & R COCKPIT EMERGENCY LIGHT SWITCH IAW AMM 39-40-15-02. ALL OPS CHECKS GOOD.

Part: SPRING — FAULTY (MAIN DOOR) · airframe 32,920 hrs · 37,053 cycles

DOOR, MAIN, CATCHING ON SHROUD ON INSIDE OF DOOR. R & R GAS SPRING-STAIR ASSY, OPS CHECK GOOD, REF AMM 52-60-00.

Part: TRANSDUCER — MALFUNCTIONED (ANTI-SKID) · airframe 32,769 hrs · 36,789 cycles

A-SKID LIGHT ILLUMINATED ON CWP AND EXPERIENCED LOSS OF BRAKING ON RUNWAY. R & R ANTI-SKID TRANSDUCER, REF AMM 32-43-15-04. PERFORMED OPERATION CHECK, OPS CHECK GOOD.

Part: STRUCTURE — BROKEN (PAX DOOR) · airframe 32,426 hrs · 36,211 cycles

MAIN ENTRY DOOR WILL NOT CLOSE FLUSH, MAIN ENTRANCE DOOR HANDLE ALSO STUCK. FOUND CABIN WALL TRIM PIECE BROKEN AND BLOCKING DOOR FROM CLOSING. REMOVED TRIM PIECE, DOOR OPS CHECK NORMAL IAW AMM 52-10-00.

Part: ENGINE — FAILED (NR 2) · airframe 32,384 hrs · 36,145 cycles

THE OIL PRESSURE LIGHT CAME ON 50 FT OFF THE GROUND FOLLOWED BY THE CHIP DETECTOR LIGHT. THEN A BUNCH OF LIGHTS CAME ON AND THEN THE ENGINE STARTED PRODUCING A LOUD BANGING NOISE. THE CAPTAIN SAID HE SHUT THE ENGINE DOWN AND DID AN AIR RETURN. R & R NR 2 ENGINE ASSY IAW WC 71-00-01S, OPS CHECKS AND RUNS WERE GOOD.

Part: UNKNOWN — ODOR (CABIN) · airframe 32,368 hrs · 36,113 cycles

VERY FAINT BURNING PLASTIC ODOR DETECTED, INTERMITENTLY IN AIR LESS THAN 25 MILES AWAY FROM DESTINATION. ODOR BECAME CONTINUOUS & WORSE DURING ENGINE SHUTDOWN PROCEDURE. PERFORMED VISUAL INSPECTION BEHIND ELECTRICAL PANELS, AVIONIC RACK, FLOOR BOARDS AND CIRCUIT BREAKERS, NO DEFECT NOTED, PERFORMED A POWER RUN , NO DEFECT NOTED, IAW AMM 72-00-00.

Part: RELAY — FAILED (TEMP CONTROLLER) · airframe 32,357 hrs · 36,096 cycles

FLIGHT DECK WILL NOT WARM UP ON AUTO TEMP SELECT. UPON DOING IT MANUALLY A SMELL OF BURNED COMES OUT OF ACFT DUCT. AFTER REPLACEMENT OF RELAY 8HD FLIGHT DECK TEMP IS CONTROLLABLE. NO BURNING ODOR NOTED FROM ANY PARTS OF THE ACFT AT THIS TIME.

Part: TRIM PANEL — UNSECURE (PAX DOOR) · airframe 32,209 hrs · 35,837 cycles

EXCESSIVE FORCE WAS USED TO CLOSE MAIN CABIN DOOR. SECURED MAIN ENTRANCE DOOR TRIM PANEL, OPS CHECK GOOD.

Part: LAMP — INOPERATIVE (LIGHT SWITCH) · airframe 31,673 hrs · 35,151 cycles

CABIN LIGHTING CONTROL PANEL EMERGENCY LIGHT SWITCH ARMED DOES NOT ILLUMINATE. REPLACED LAMP, OPS CHECK GOOD.

Part: OIL SYSTEM — UNDERSERVICED (LT ENGINE) · airframe 31,425 hrs · 34,900 cycles

LOST LT ENGINE OIL PRESSURE IN FLIGHT AT CRUISE. INSPECTED AND FOUND NR 1 ENGINE TO BE LOW ON OIL, ADDED 3.5 QUARTS TO NR 1 ENGINE, PERFORMED HIGH POWER RUNS OPS CHECKS GOOD.

Part: B-NUT — LEAKING (ENGINE OIL) · airframe 31,342 hrs · 34,813 cycles

LEFT ENGINE OIL LIGHT ILLUMINATED IN FLIGHT, LT OIL PRESSURE DECREASED BELOW 30 PSI. RETURNED TO DEPARTURE, LANDED SAFELY. TORQUED COUPLING NUT AT PGB BRACKET UNION AT 1300 IN LBS ENGINE RUNS. OPS AND LEAK CHECK GOOD.

Part: LAMP — UNSECURE (CONTROL PANEL) · airframe 31,116 hrs · 34,593 cycles

F/A REPORTS THAT THE EMERGENCY ARM LIGHT DOES NOT ILLUMINATE. SECURED LAMP FOR F/A PANEL ARM LIGHT OPS CHECK GOOD.

Part: DOOR — OUT OF ADJUST (PAX DOOR) · airframe 30,999 hrs · 34,472 cycles

AIRSTAIR DOOR IS DIFFICULT TO CLOSE. PERFORMED ADJUSTMENT TEST OF THE AIRSTAIR DOOR OPERATION, NO DEFECTS NOTED, OK FOR SERVICE.

Part: POWER SUPPLY — SHORTED (EMERGENCY LIGHTS) · airframe 300,090 hrs · 33,477 cycles

AFTER TAKEOFF, CIRCUIT BREAKER L8 TRIPPED AND AFTER ENGINE SHUTDOWN EMERGENCY LIGHTS CAME ON. REPLACED EMERGENCY POWER SUPPLY 21LN, OPS CHECKED GOOD.

Part: POWER SUPPLY — INOPERATIVE (EMERGENCY LIGHT) · airframe 29,221 hrs · 32,383 cycles

EMERGENCY LIGHT AT PASSENGER DOOR DOES NOT ILLUMINATE. REPLACED EMERGENCY LIGHT POWER SUPPLY OPS CHECKED GOOD.

Part: CONTROL PANEL — MALFUNCTIONED (EMERGENCY LIGHTS) · airframe 28,776 hrs · 31,864 cycles

CIRCUIT BREAKER TRIPPED IN FLIGHT. REPLACED F/A PANEL, OPS CHECKED NORMAL.

Part: POWER SUPPLY — FAILED (EMERGENCY LIGHTS) · airframe 28,773 hrs · 31,860 cycles

CIRCUIT BREAKER TRIPPED MULTIPLE TIMES. REPLACED POWER SUPPLY, OPS CHECKED GOOD.

Part: PUMP — INOPERATIVE (HYD SYSTEM) · airframe 27,719 hrs · 30,583 cycles

DURING LANDING GEAR EXTENSION, HYD CAUTION LIGHT CAME ON WITH ZERO MAIN ACCUMULATOR PRESSURE AND ZERO HYD QUANTITY. OTHER ACCUMULATORS SHOWED ABOUT 2800 PSI. REPLACED HYD LINE AS REQ. REPLACED HYD PUMP AS PRECAUTIONARY PN ON/OFF 40185-02, SN ON KG73, SN OFF KD18. PERFORMED GEAR SWINGS AS PRECAUTIONARY. OPS CHECK GOOD REF AMM 29-10. NO LEAKS NOTED.

Part: POWER SUPPLY — FAILED (EMERGENCY LIGHT) · airframe 27,418 hrs · 30,250 cycles

EMERGENCY POWER SUPPLY 23LN & 20LN FAILED CAP CHECK. REPLACED EMERGENCY POWER SUPPLY 23LN IAW SF3 AMM 33-50-10. OPS CHECK GOOD. OPS CHECK GOOD.

Part: LANDING GEAR — OBSTRUCTED · airframe 26,457 hrs · 29,126 cycles

GEAR DID NOT FULLY RETRACT. REMOVED SNOW AND ICE.

Part: POWER SUPPLY — NO TEST (EMERGENCY LIGHTS) · airframe 25,967 hrs · 28,549 cycles

DURING TASK CARD 335003 FOR EMERGENCY LIGHT OPERATIONS TEST POWER SUPPLIES 21LN & 24LN FAILED CHECKS. REMOVED AND REPLACED 21LN & 24LN POWER SUPPLIES WITH SERVICABLE UNITS IAW SAAB AMM 33-50-10.

Part: UNKNOWN — ODOR (CABIN) · airframe 24,827 hrs · 27,226 cycles

STRONG ODOR ON TAKEOFF. RAPIDLY DISSIPATED, NOT NOTICED IN THE CABIN. TESTED, NO FAULTS FOUND.

Part: SKIN — CORRODED (CARGO DOOR) · airframe 24,761 hrs · 27,137 cycles

3 SMOOTH DENTS NOTED ON CARGO DOOR OUTER SKIN. REPAIRED.

Part: SKIN — PUNCTURED (RT WING TE FLAP) · airframe 24,761 hrs · 27,137 cycles

PUNCTURE NOTED RT FLAP UPPER SURFACE. REPAIRED.

Part: SKIN — DENTED (BS 339-608) · airframe 24,761 hrs · 27,137 cycles

SEVERAL DENTS NOTED ON TOP OF FUSELAGE OUTER SKIN FROM STA 339 THRU STA 608, ONE REQUIRED REPAIR BETWEEN FRAME 487 AND FRAME 512. REPAIRED.

Part: SKIN — DENTED (RT WING) · airframe 24,761 hrs · 27,137 cycles

SEVERAL DENTS NOTED RT WING TRAILING EDGE UPPER SKIN. REPAIRED.

Part: SKIN — DENTED (LT WING) · airframe 24,761 hrs · 27,137 cycles

SEVERAL DENTS NOTED LT WING TRAILING EDGE UPPER SKIN. REPAIRED.

Part: SEAT TRACK — CORRODED (BS 294-301) · airframe 24,761 hrs · 27,137 cycles

CORROSION NOTED ON RT CENTER AISLE SEAT TRACK BL 0 STA 294 TO STA 301. REPAIRED.

Part: ANGLE — CORRODED (BS 294-301) · airframe 24,761 hrs · 27,137 cycles

CORROSION NOTED ON LT CENTER AISLE LBL 18.3 STA 294 TO STA 301. REPLACED ANGLE.

Part: LIGHT — DAMAGED (CABIN) · airframe 24,484 hrs · 26,832 cycles

EMERGENCY COVE LIGHT AT 15LN DAMAGED. REPLACED LIGHT ASSY.

Part: POWER SUPPLY — INOPERATIVE (EMERGENCY LIGHTS) · airframe 22,679 hrs · 24,814 cycles

RIGHT EXTERIOR EMERGENCY LIGHT 4LN FAILED TO ILLUMINATE. FOUND POWER SUPPLY 24LN TO BE BAD. REMOVED AND REPLACED AFT EMERGENCY PWR SUPPLY 24LN IAW SAAB AMM 33-50-10-04-01.

Part: WIRE HARNESS — UNKNOWN (RT ENGINE) · airframe 22,301 hrs · 24,431 cycles

DURING LANDING IN DTW, WHEN THE POWER LEVERS WERE RETARDED, THE RT PROP AUTOCOARSENED. CREW CONTINUED THE LANDING AND POWER RETURNED TO RT ENGINE DURING TAXI. REMOVED AND REPLACED RT ENGINE RT AIRFRAME HARNESS, PN: 7292533-681 AND STARTER GEN, PN: 23080-031, SN OFF: 3486, SN ON: 2680 IAW SAAB TASK CARD 243103 AND SAAB 340B POWERPLANT BUILDUP MANUAL. SEE MM 409 286623 FOR FURTHER DETAILS.

Part: ENGINE — OVERTEMP (RIGHT) · airframe 22,290 hrs · 24,418 cycles

CREW DID NOT SHUT OFF CTOT BEFORE PULLING POWER LEVERS BELOW 64 DEGREE SWITCH AND ENGINE OVERTORQUED/FEATHERED. CREW DECLARED EMERGENCY AND RETURNED TO PIR. REMOVED AND REPLACED RT ENGINE.

Part: SWITCH — INOPERATIVE (EMERGENCY LIGHTS) · airframe 21,182 hrs · 23,119 cycles

EMERGENCY LIGHTS CB L8 POPPED OUT IN FLIGHT. REMOVED AND REPLACED 29LN, EMERGENCY LIGHT SWITCH ON FLIGHT ATTENDANT PANEL IAW SF340 MM 20-20. EMERGENCY LIGHTS ALL CHECK GOOD IAW MM 33-50.

Part: THERMISTER — FAILED (LT ENGINE) · airframe 20,011 hrs · 21,718 cycles

ON DEPARTURE FROM DTW, THE LT ENGINE ANTI ICE WARNING LIGHT ILLUMINATED. THE FLIGHT RETURNED FOR CORRECTIVE ACTION AND LANDED WITHOUT FURTHER INCIDENT. OHMED THERMISTORS AND FOUND THERMISTOR 3 WOULD INTERMITTENTLY OPEN UP WHILE COOLING. UNUSED THERMISTOR 5 BAD AS WELL. SWITCHED THERMISTOR 3 TO SPARE 4. RAN 30 MINUTES. ALL CHECKS GOOD.

Part: RELAY — MALFUNCTIONED (IGNITION)

EN ROUTE TO TRI THE AIRCRAFT IGNITION LIGHT ILLUMINATED WHEN UNCOMMANDED. THE FLIGHT RETURNED TO MEM. REPLACED RELAY 32PC

Part: BATTERY PACK — NO TEST (EMERGENCY LIGHT) · airframe 19,357 hrs · 21,037 cycles

EMERGENCY POWER SUPPLY 20LN FAILED BATTERY CAP CHECK. REPLACED WITH A SERVICEABLE UNIT.

Part: SKIN — DAMAGED (T/E FLAP) · airframe 19,154 hrs · 20,798 cycles

DURING 4K CHECK IN BNA FOUND RIGHT FLAP UPPER SURFACE HAS COMPOSITE DAMAGE AND HAS BEEN REPAIRED IAW MESABA EOS51031.

Part: STRUCTURE — CHAFED (RT NACELLE) · airframe 19,154 hrs · 20,798 cycles

DURING 4K CHECK IN BNA FOUND RT NACELLE AT NS197 IS CHAFED OUT OF LIMITS AT THE 3:00 POSITION. THE DAMAGE HAS BEEN REPAIRED IAW MESABA EOS54165.

Part: STRUCTURE — CHAFED (LT NACELLE) · airframe 19,154 hrs · 20,798 cycles

DURING 4K CHECK IN BNA FOUND LEFT NACELLE AT NS197 IS CHAFED OUT OF LIMITS AT THE 3:00 POSITION. THE DAMAGE HAS BEEN REPAIRED IAW MESABA EOS54164.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 19,154 hrs · 20,798 cycles

DURING 4K CHECK IN BNA FOUND SEAT TRACK AT LBL 18.3 BETWEEN FS 294 AND 300 IS CORRODED OUT OF LIMITS. THE DAMAGE HAS BEEN REPAIRED IAW MESABA EOS53342.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 19,154 hrs · 20,798 cycles

DURING 4K CHECK IN BNA FOUND SEAT TRACK AT BL 0, BETWEEN FS 294 AND 300 IS CORRODED OUT OF LIMITS. THE DAMAGE HAS BEEN REPAIRED IAW MESABA EOS53342.

Part: FRAME — CORRODED (FUSELAGE) · airframe 19,154 hrs · 20,798 cycles

DURING 4K CHECK IN BNA FOUND UPPER FLANGE OF THE BOTTOM FRAME, ST FS 258, BETWEEN LBL 10 AND RBL 10 IS CORRODED OUT OF LIMITS. THE DAMAGE HAS BEEN REPAIRED IAW MESABA EOS53108.

Part: GCU — INOPERATIVE (LT A/C GEN) · airframe 18,529 hrs · 20,105 cycles

AC GENERATOR INOP. DEFERRED LT GENERATOR PER MEL 24-21-1B OVER THE RADIO BY MXC. DIVERTED TO CWA. REPLACED GCU. FOUND CORROSION IN CONNECTOR AND GENERATOR. CLEANED PLUG AND REPLACED GENERATOR P/N 51634-002, S/N ON 95058, S/N OFF 1247, IAW SAAB AMM 24-21-10. OPS CHECK GOOD. REMOVED FROM DMR AND MXC NOTIFIED.

Part: FIRE LOOP — MALFUNCTIONED (ENGINE) · airframe 17,033 hrs · 18,572 cycles

CREW SHUT DOWN AN ENGINE FOLLOWING ANNUNCIATION OF ENGINE FIRE WARNING SYSTEM DURING FLIGHT. ENGINE FIRE BOTTLE WAS DISCHARGED FOLLOWED BY UNEVENTFUL LANDING. AIRCRAFT TOWED TO GATE. MAINT FOUND THERE WAS NO INDICATION OF UNCONTAINED FIRE OR NON-NORMAL COMBUSTION WITHIN THE ENGINE. FOUND A BROKEN WELD ON THE JET PIPE, ALSO KNOWN AS THE INDUCTOR SHROUD, THAT CHANNELS EXHAUST GASES OUT OF ENGINE. THE ENGINE FIRE SENSOR (ONE OF WHICH IS NEAR THE BROKEN WELD) PICKED UP THE HOT (700+C) EXHAUST AIR TEMPS & INDICATED A FIRE. THE ONLY REMNANTS OF SOOT THAT WERE FIRST DISCOVERED INSIDE ENGINE COWLING CAME FROM INDUCTOR BREAK THAT ALLOWED THAT EXHAUST AIR TO CIRCULATE IN AREAS IT NORMALLY CAN NOT GO.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 16,832 hrs · 18,363 cycles

DURING 4Y/2Y CHECK IN BNA FOUND SEAT TRACK AT BL 0 IS CORRODED ON VERTICAL WEB AND FLOOR PANEL FLANGE BETWEEN FS 294 AND FS 319. DAMAGE HAS BEEN REPAIRED IAW SRM 53-70-60.

Part: PANEL — CORRODED (FUSELAGE) · airframe 16,832 hrs · 18,363 cycles

DURING 4Y/2Y CHECK IN BNA FOUND RIGHT WRAP AROUND P/N 7253710-243 IS CORRODED AND HAS BEEN REPLACED IAW SRM 51-40-21.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 16,832 hrs · 18,363 cycles

DURING 4Y/2Y CHECK IN BNA FOUND SEAT TRACK AT LBL 18.3 IS CORRODED ON VERTICAL WEB AND FLOOR PANEL FLANGE, BETWEEN FS 294 AND 319. DAMAGE HAS BEEN REPAIRED IAW SRM 53-70-60.

Part: DOOR FRAME — CORRODED (225) · airframe 16,832 hrs · 18,363 cycles

DURING 4Y/2Y CHECK IN BNA FOUND COCKPIT ENTRANCE DOOR FRAMES LT AND RT SIDES AT FS 225 ARE CORRODED AND HAVE BEEN REPAIRED IAW MESABA EO S53185.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 16,832 hrs · 18,363 cycles

DURING 4Y/2Y CHECK IN BNA FOUND GALLEY SEAT TRACK P/N 7253721-459 IS CORRODED AND WILL BE REPLACED IAW SRM 51-40-27.

Part: PANEL — CORRODED (FUSELAGE) · airframe 16,832 hrs · 18,363 cycles

DURING 4Y/2Y CHECK IN BNA FOUND LT WRAP AROUND P/N 7253711-245 IS CORRODED AND HAS BEEN REPLACED IAW SRM 51-40-21.

Part: SCREW — BROKEN (SIDE WINDOW)

NOTED SCREWS BROKEN OUT ON F/O'S SIDE WINDOW. MAINTENANCE RETORQUED F/O'S SIDE WINDOW 56-10-05-04 NOTED 8 SCREWS BELOW TORQUE SIDE WIND. ON ATTACH SCREWS TORQUE CHECK GOOD AFTER RETORQUE.

Part: SKIN — DELAMINATED (HORIZ STAB)

RT HORIZONTAL STAB HAS DENT AT HS 99.92, FOUND TO BE DELAMINATED. MAINTENANCE REMOVED AND REPLACED RT HORIZONTAL STAB LOWER SKIN AT HS 99, IAW EO NR S55038 DATED 19 DEC 03. REF TO WORK CARD NR 184027 30272, 253007 FOR ADDITIONAL REPAIR INFORMATION.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 13,987 hrs · 15,199 cycles

DURING 4K INSPECTION IN LAKE CITY, FL, FS 294 LEFT SEAT TRACK CORRODED. REMOVED AND REPLACED CORRODED SECTION OF SEAT TRACK AT FS 294 IAW MESABA EO A53060 DATED NOV 3, 2003, REV II.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 13,987 hrs · 15,199 cycles

DURING 4K INSPECTION IN LAKE CITY, FS 294 RIGHT SEAT TRACK HAS CORROSION. REMOVED AND REPLACED CORRODED SEAT TRACK SECTION FROM FS 284 TO FS 339 IAW MESABA EO 53060 DATED NOV 3, 2003 REV II.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 13,987 hrs · 15,199 cycles

DURING 4K INSPECTION, FS 630 TO 686 LEFT O/B SEAT TRACK HAS CORROSION. REMOVED AND REPLACED CORRODED SEAT TRACK SECTION FROM FS 630 TO FS 686 IAW MESABA EO S 53060 DATED NOV 3, 2003 REV II.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 13,987 hrs · 15,199 cycles

DURING 4K INSPECTION, SEAT TRACK ON RIGHT SIDE BETWEEN STA 240 AND 258 HAS CORROSION IN SEVERAL AREAS. REMOVED AND REPLACED CORROSION SEAT TRACK, FABRICATED NEW SEAT TRACK FROM RIGHT STA 215 TO 225 BUTTLINE 12 P/N 7253721-459 IAW SRM 51-40-40 & 51-40-27.

Part: CONTROL UNIT — MALFUNCTIONED (MLG)

DURING FLIGHT 3328, THE LT MLG GREEN LIGHT DID NOT ILLUMINATED WHEN THE GEAR WAS EXTENDED FOR LANDING. PUT GEAR DOWN AND LEFT MAIN GREEN LIGHT DIDN'T COME ON, BUT TRANSIT LIGHT WAS OUT. CREW WENT AROUND AND TRIED AGAIN, AND AGAIN. LEFT MAIN GEAR LIGHT DID NOT COME ON. CHANGED THE BULB AND TRIED AGAIN BUT STILL NO LIGHT INDICATION. TRIED ONE MORE TIME AND GOT 3 GREEN, NEVER GOT THE TRANSIT LIGHT TO GO OUT. MAINTENANCE REPLACED LT LANDING GEAR CONTROL UNIT IAW AMM 32-31-5. P/N ON/OFF D494-10-001, S/N ON 149/09-86, S/N OFF 646/09-97. ALSO NO FLASHED CANNON PLUG 5GA-P1 AND GEAR DOWN SWITCH. CYCLED GEARS 15 TIMES, ALL CHECKS GOOD IAW AMM 32-30-00-5.

Part: OXYGEN BOTTLE — LOW (CREW SYSTEM)

AFTER TAKEOFF ON FLIGHT NR 3068, CREW 02 LOW MASTER CAUTION ILLUMINATED . AIR RETURN TO TRI. MAINTENANCE SERVICED 02 TO REQUIRED LEVEL CHECKS GOOD.

Part: CONNECTOR — FAILED (EMERGENCY LIGHT)

DURING PREFLIGHT FROM LOG PAGE 1179023 EMERGENCY LIGHTS ARMED AND GENERATOR OR EXTERNAL POWER ON-LINE. EMERGENCY LIGHTS CWP ILLUMINATES AND CABIN EMERGENCY LIGHTS FLICKER ON AND OFF. SLIGHT OZONE SMELL NOTED BY CREW, COULD NOT REPEAT. MAINTENANCE FOUND PIN C ON 20LN, 21LN, AND FOUND 28VDC AT PIN C ON 23LN, & 24LN DISC 20: REPLACED EMERGENCY OVERHEAD PANEL PN 7239050-512. OPS CHECK GOOD.

Part: HEATER — MALFUNCTIONED (CABIN)

AFTER GETTING AIRBORNE ON FLIGHT NR 3321, GEAR WAS IN TRANSIT. FA REPORTED SMELLING AND SEEING SMOKE UNDER SEAT 2D COMING OUT FLOOR VENT. SUPPLEMENTAL AIR WAS NOT ON AT TIME. DECLARED EMERGENCY, COMPLETED QRH LANDED NORMALLY. AIR RETURN TO DTW. MAINTENANCE FOUND SMELL COMING FROM UNDER CENTER AISLE FLOOR BOARDS. INSPECTED WIRING AND COMPONENTS UNDER FLOOR BOARD FOUND STRONG ELECTRICAL SMELL FROM AUX AIR COMP MOTOR AND MOTOR INOP GRAND RAN A/C AND OPERATED ALL SYSTEMS, NO EFFECTS NOTED EXCEPT AUX AIR COND. MAINTENANCE REMOVED AND REPLACED FWD AUX HEATER. REPLACED AFT AUX HEATER. REPLACED MID AUX HEATER PN 1305100-2 IAW AUXILIARY ELECTRICAL HEATING SYSTEM.

Part: PITOT LINE — CONTAMINATED (PITOT/STATIC SYS)

DURING FLIGHT 2985, RUDDER LIMITER LIGHT ILLUMINATED ALONG WITH ERRONEOUS READINGS FROM STANDBY AND F/O'S AIRSPEED INDICATORS. FLT CREW DECLARED EMERGENCY INTO MSP. HEAVY ICING CONDITIONS ENCOUNTERED THROUGHOUT FLIGHT. CXLD DUE TO WEATHER. MAINTENANCE DRAINED AND PURGED NR 2 AND STBY PITOT SYSTEM WITH NITROGEN, NR 2 AND STBY PITOT SYSTEMS TEST GOOD IAW SF-340 MM CHAPTER 34, RUDDER LIMITER LIGHT ILLUMINATED BECAUSE OF STBY A/S SPLIT BETWEEN NR 1, RUDDER LIMITER TESTS GOOD.

Part: WIRE — BROKEN (RT MLG)

DURING EMERGENCY EXTENSION CHECK MAINTENANCE NOTED INFINITE RESISTANCE TO RT MLG SEPARATION BOLT. MAINTENANCE FOUND ALL WIRES CORRODED AND BROKEN IN CANNON PLUG. MAINTENANCE REPLACED CANNON PLUGS 4GBP1 PN 851-06RC8-4SNB. OPS CHECK GOOD IAW MAL TASK CARD 323108.

Part: BATTERY — DISCHARGED (COCKPIT)

CAPTAIN''S EFIS TUBES GO BLANK WHEN HYDRAULIC PUMP CYCLES. AIR TURNBACK TO SUX. MAINTENANCE REPLACED RT AND LT BATTERIES (P/N 4078-7), LT (S/N OFF F02021), (S/N ON B00680), RT (S/N OFF E02663), (S/N ON F00499). REPLACED PDU (P/N A2042C), (S/N ON CL-95661), (S/N OFF CH-12654). OPS CHECK GOOD.

Part: SWITCH — LEAKING (NR 1 ENGINE)

LEFT ENGINE SHUT DOWN RIGHT AFTER TAKEOFF. AIRCRAFT RETURNED TO MSP. MAINTENANCE FOUND STANDBY BOOST PUMP SWITCH LEAKING THERE FORE CAUSING FUEL STARVATION TO ENGINE. MX REPLACED SWITCH 8346 AND NR 1 ENGINE. ALL CHECK GOOD.

Part: LIGHT — FAILED (ROW 5A)

SMOKE WAS SEEN COMING FROM THE WINDOW LIGHTS AT 5A ALONG WITH SOME TINY SPARKS. THERE WAS ALSO A STRONG ODOR OF BURNT WIRES IN THE CABIN. MAINTENANCE REPLACED SIDE WALL LIGHT AND SOCKET AT ROW 5A.

Part: VALVE — FAILED (LANDING GEAR)

LANDING GEAR WOULD NOT EXTEND NORMALLY FOLLOWED THE QRH. GEAR DID NOT EXTEND UNTIL THE EMERGENCY LANDING GEAR HANDLE WAS PULLED. THE FI OVERRIDE KNOB HAD TO BE PULLED, OBTAINED THREE GREEN DOWN AND LOCKED INDICATIONS. MAINTENANCE REPLACED THE LANDING CONTROL VALVE AND RELAY 15GA. ALL CHECKS GOOD.

Part: CONNECTOR — LOOSE (CABIN)

DURING INSPECTION, EMERGENCY EXIT SIGN ABOVE FLIGHT ATTENDANT INOP. MAINTENANCE RESECURED CANNON PLUG, OPS CHECK GOOD.