N448XJ

Part: CONNECTOR — UNSECURE (MLG) · airframe 27,057 hrs · 30,063 cycles

DURING GEAR EXTENSION, RECEIVED NO LT MAIN GREEN DOWN LIGHT. GEAR HANDLE DISAGREE LIGHT WAS OUT. ENN WAS FOLLOWED WITH NORMAL LANDING. INSPECTED ACFT, FOUND LT DOWN LOCK SENSOR CONNECTOR PLUG UNSECURED, RESECURED CONNECTOR PLUG. COMPLETED INSP. ACFT IS SAFE FOR A ONE TIME FERRY FLIGHT FOR GEAR SWING CHECKS TO BE PERFORMED. TO BE FERRIED GEAR DOWN WITH PINS INSTALLED. PERFORMED GEAR EXTENSION/RETRACTION IAW AMM 32-30-00, ALL CHECKED GOOD.

Part: WIRE — BROKEN (EMERGENCY LIGHT) · airframe 27,039 hrs · 30,047 cycles

DURING LC1 NOTED LT EXTERNAL OVER WING EMERGENCY LIGHT 3LN TO BE INOP. T/S FOUND WIRE TO PIN 2 TO BE BROKEN AT PIN. INSTALLED NEW PIN AT LIGHT ASSY IAW MM 20-20-00. OPS CHECKS OF LIGHT GOOD MM49 MRR (SDR) NOTIFICATION SUBMITTED.

Part: POWER SUPPLY — MALFUNCTIONED (EMERGENCY LIGHTS) · airframe 25,513 hrs · 28,211 cycles

CIRCUIT BREAKER L8 TRIPPED IN FLIGHT FOLLOWED RESET PROCEDURE POM 3.8.1 CIRCUIT BREAKER TRIPPED AGAIN AFTER 15 MIN OF FLIGHT L8 = EMERGENCY LIGHTS CABIN & EXT CONTROL. FERRY AIRCRAFT FOR TROUBLESHOOTING AND REPAIR L-8 CIRCUIT BREAKER POPPED. INSPECTED ACFT AND FOUND CIRCUIT BREAKER L8 POPPED COLLARD CIRCUIT BREAKER L8 AND FOUND ACFT SAFE FOR INTENDED FERRY FLIGHT FOR FURTHER TROUBLESHOOTING AND REPAIR. DURING TROUBLESHOOTING FOUND EMERGENCY LIGHTS POWER SUPPLY 24LN BAD. R& R EMERGENCY LIGHTS POWER SUPPLY 24LN IAW AMM 33-50-10. OPS CHECK GOOD MX NOTIFIED PN OFF/ON 3301-51, SN OFF 2182, SN ON 1445.

Part: POWER SUPPLY — FAILED (EMERGENCY LIGHTS) · airframe 25,274 hrs · 27,908 cycles

20LN EMERGENCY LIGHT POWER SUPPLY FAILED CAPACITY CHECK. R & R 20LN EMERGENCY LIGHT POWER SUPPLY IAW AMM 33-50-10.

Part: FASTENER — UNKNOWN (TE FLAP) · airframe 22,107 hrs · 24,141 cycles

REPLACED FASTENERS IN RT FLAP FAIRING AFT BULKHEAD UPPER FLANGE TO REAR SPAR IAW EOS57051. FLAP FAIRING AFT BULKHEAD UPPER FLANGE TO REAR SPAR - ALTERNATIVE FASTENER REPLACEMENT AUTHORIZATION. STANDARD SRM REPAIR PROCEDURES. NO INFORMATION ON THE PART CONDITION AT THIS TIME. (S)

Part: RIB — CRACKED (LT FLAP) · airframe 22,107 hrs · 24,141 cycles

LT FLAP, AFT COVE RIB CRACKED AND MISSING RIVET. INSTALLED NEW AFT COVE RIB P/N 7257840081. IAW SAAB340 SRM 51-40-22 AND EOS57051. REPLACED FASTENERS IN LT FLAP FAIRING AFT BULKHEAD UPPER FLANGE TO REAR SPAR IAW EOS57051. FLAP FAIRING AFT BULKHEAD UPPER FLANGE TO REAR SPAR - ALTERNATIVE FASTENER REPLACEMENT AUTHORIZATION. STANDARD SRM REPAIR PROCEDURES. ADDENDUM FOR MISSING PART CONDITION INFORMATION. (S)

Part: FASTENER — UNKNOWN (T/E FLAP) · airframe 22,107 hrs · 24,141 cycles

REPLACED FASTENERS IN LT FLAP FAIRING AFT BULKHEAD UPPER FLANGE TO REAR SPAR IAW EOS57051. FLAP FAIRING AFT BULKHEAD UPPER FLANGE TO REAR SPAR - ALTERNATIVE FASTENER REPLACEMENT AUTHORIZATION. STANDARD SRM REPAIR PROCEDURES. NO INFORMATION ON THE PART CONDITION AT THIS TIME. (S)

Part: RIB — CRACKED (RT WING TE FLAP) · airframe 22,107 hrs · 24,141 cycles

RT FLAP, AFT COVE RIB CRACKED. INSTALLED NEW RT FLAP AFT COVE RIB IAW SRM 51-20-00 AND 51-40-00 AND EOS57051. REPLACED FASTENERS IN RT FLAP FAIRING AFT BULKHEAD UPPER FLANGE TO REAR SPAR IAW EOS57051. FLAP FAIRING AFT BULKHEAD UPPER FLANGE TO REAR SPAR - ALTERNATIVE FASTENER REPLACEMENT AUTHORIZATION. STANDARD SRM REPAIR PROCEDURES. ADDENDUM FOR MISSING PART CONDITION INFORMATION. (S)

Part: FLAP — DENTED (WING) · airframe 22,107 hrs · 24,141 cycles

RT FLAP HAS A DENT AT WS 42.4, TOP INBOARD EDGE. REPAIRED IAW EOS51031. THIS EO PROVIDES A GENERIC COLD BOLD (WET LAYUP) REPAIR IAW SAAB SRM 51-70-50. (S)

Part: PANEL — DAMAGED (FUSELAGE) · airframe 20,739 hrs · 22,628 cycles

COMPOSITE DAMAGE TO BELLY PANEL 193 AL. GENERIC COLD BOND (WET LAY-UP) REPAIR IAW SRM 51-70-50, EO NR S51031.

Part: SKIN — DENTED (PAX DOOR) · airframe 20,739 hrs · 22,628 cycles

MAIN ENTRY DOOR OUTER SKIN DENT AT 27.5" ABOVE DOOR SKIN LOWER EDGE AND 5.50" AFT OF DOOR FWD EDGE. REPAIR PER IAW EO NR S52089 AND SAAB REPAIR STATEMENT 340SDS012743.

Part: SKIN — DENTED (CARGO DOOR) · airframe 20,739 hrs · 22,628 cycles

DENT IN CARGO DOOR SKIN AT STA 681.1 ABOVE UPPER EDGE OF SEAL AT BOTTOM OF DOOR. GENERIC REPAIR PER IAW EO NR S52028 AT STA 681.1.

Part: SKIN — DENTED (EMERGENCY EXIT) · airframe 20,739 hrs · 22,628 cycles

EMERGENCY EXIT AT RT EMERGENCY EXIT 7" FROM AFT EDGE OF DOOR AND 9 1/2" FROM TOP OF DOOR, 0600-814-01E, RT MAIN EXIT DOOR OUTER SKIN DENTED 7" FROM FWD EDGE IS 1' W BY 2" L BY .008" DEEP. EVALUATED DENT AND FOUND TO BE DISBONDED. REPAIRED DAMAGE IAW SF3 EO NR S52028 AND SAAB SRM 52-10-10 PAR 1.

Part: DOUBLER — CORRODED (BS 252-275) · airframe 20,739 hrs · 22,628 cycles

DURING THE N4K CHECK, THE PASSENGER DOOR CUT-OUT REINFORCEMENT DOUBLER WAS FOUND SEVERELY CORRODED FROM FS 252-275, SL1522 TO JUST BELOW SL1523. THE DISCREPANCY WAS TRANSFERRED TO MM01 PG. 1688720. AIRCRAFT FERRIED TO VENDOR FOR REPAIR IAW SAAB REPAIR STATEMENT 340SDS013342.

Part: SKIN — DENTED (CARGO DOOR) · airframe 20,739 hrs · 22,628 cycles

DENT IN CARGO DOOR SKIN AT STA 675.1, 3 1/2" ABOVE THE DOOR SEAL AT BOTTOM EDGE OF DOOR. GENERIC REPAIR PER IAW EO NR S52028 AT STA 675.1.

Part: UNKNOWN — UNKNOWN (MLG) · airframe 19,428 hrs · 21,099 cycles

GEAR UNSAFE LIGHT REMAINED ON AFTER GEAR RETRACTION. FOLLOWED QRH, RECYCLED GEAR. NO CHANGE. PUT GEAR DOWN, 3 GREEN AND LANDED AT TVF INSPECTED AIRCRAFT AND FOUND SAFE FOR ONE FERRY TIME FERRY FLIGHT FROM TVF TO MSP FOR TROUBLE SHOOTING AND REPAIR. FERRY AIRCRAFT FROM TVF TO MSP FOR REPAIR OF GEAR UNSAFE LIGHT REMAINED ON AFTER GEAR RETRACTION FOLLOWED QRH RECYCLED GEAR, NO CHANGE, PUT GEAR DOWN 2 GREEN, LANDED AT TVF W/GEAR DOWN. COMPLETED SEVERAL GEAR SWINGS CND PROBLEM, CLEARED AND VISUALLY INSPECTED UP-LOCK SWITCHES, NO DEFECTS NOTED.

Part: UPLOCK — OUT OF ADJUST (MLG) · airframe 19,429 hrs · 21,101 cycles

DURING DEPARTURE FROM MSP, THE CREW EXPERIENCED AN ABNORMAL GEAR RETRACTION INDICATION DURING DEPARTURE. THE CREW FOLLOWED THE QRH AND RETURNED TO MSP LANDING WITHOUT FURTHER INCIDENT. ON TAKEOFF BROUGHT GEAR HANDLE UP ALL 3 GEAR LIGHTS EXTINGUISHED, BUT DISAGREEMENT LIGHT HANDLE REMAINED ON AS WELL AS HYD PUMP CONTINUED TO RUN. PERFORMED QRH GEAR CAME UP WHEN RECYCLED AND DISAGREEMENT LIGHT EXTINGUISHED. ADJUSTED LEFT AND RIGHT MAIN LANDING GEAR UPLOCKS IAW 32-32-00-05. ADJUSTED LEFT AND RIGHT UPLOCK SWITCHES IAW 32-61-15-02. ADJUSTED RIGHT O/B MAIN LANDING GEAR DOOR IAW 32-12-15-02. PERFORMED GEAR SWINGS IAW 32-30-00-05. FUNCTIONAL TEST GOOD. NO DEFECTS FROM 409-301796.

Part: HOSE — RUPTURED (BLEED AIR) · airframe 19,304 hrs · 20,966 cycles

RT BLEED AIR LEAK LIGHT CAUTION LIGHT ILLUMINATED DURING FLIGHT AT APPROXIMATELY 10,000, FT RAN THE QRH. CAUTION LIGHT WHEN OUT INITIALLY THEN CAME ON INTERMITTENTLY WITH BLEED AIR AND HP VALVES CLOSED, THIS CONTINUED UNTIL DESCENT, WHEN POWER WAS AT A LOW SETTING. AIR RETURNED, FOUND BLEED AIR HOSE (ORANGE) AT RT FUSELAGE RUPTURED. REMOVED AND REPLACED FUSELAGE BLEED AIR HOSE. PN ON AND OFF 9303688-100 IAW CHAP 36 OPS CHECK IS GOOD.

Part: SENSOR — MALFUNCTIONED · airframe 19,294 hrs · 20,954 cycles

ON CLIMB-OUT FROM MEM, THE RIGHT BLEED AIR LEAK ILLUMINATED WITH THE LP AND HP VALVES CLOSED. THE CREW FOLLOWED THE QRH AND THE BLEED AIR CAUTION LIGHT REMAINED ON. PULLED POWER BACK TO 50 PERCENT AND THE LIGHT EXTINGUISHED. THE FLIGHT RETURNED TO MEM AND LANDED WITHOUT FURTHER INCIDENT. REPLACED FUSELAGE LOWER SENSOR LOOP P/N 51533-377 IAW AMM 35-23-10-02 AND RAN AT HIGH POWER SETTINGS TO VERIFY FIX. BLEED LEAK LIGHT DID NOT ILLUMINATE. OPS CHECK OF SENSOR LOOK GOOD IAW AMM 36-23-00. DISC 1: SUSPECT WEU AT FAULT. SLAVED IN SERVICEABLE WEU. OPS CHECK NO GOOD. RE-INSTALLED ORIGINAL PART. INSPECTED SENSOR LOOPS ON WING AND FUSELAGE. FOUND RIGHT FUSELAGE 54: SENSOR LOOP CHAFFED. REPLACED RIGHT FUSELA

Part: DISPLAY — MALFUNCTIONED (COCKPIT) · airframe 19,036 hrs · 20,710 cycles

WHILE EN ROUTE FROM MEM TO AEX, THE F/O'S EHS 1 WENT BLACK. RAN THE QRH AND FOUND THE COMPOSITE MODE TO WORK NORMAL ON F/O'S EADI. AFTER TALKING WITH DISPATCH VIA RADIO, DIVERTED THE FLIGHT BACK TO MEM. REMOVED AND REPLACED F/O'S ELECTRONIC FLIGHT DISPLAY (LOWER) IAW AMM 34-24-15. OPS CHECK GOOD IAW AMM 34-24-00, P/N OFF/ON 622-6342-022, S/N ON 5171, S/N OFF 5302. ALSO, REMOVED AND REPLACED DPU IAW AMM 34-24-20. OPS CHECK GOOD IAM AMM 34-24-00, P/N OFF/ON 622-7713-004, S/N ON 6720.

Part: SWITCH — MALFUNCTIONED (ENGINE) · airframe 19,024 hrs · 20,696 cycles

AIRCRAFT RETURNED TO BASE WHEN THE LEFT ENGINE OIL PRESSURE LIGHT ILLUMINATED. ALL PROP/ENGINE INDICATORS NORMAL. REPLACED THE LEFT PGB OIL SWITCH PN 8543. RAN AIRCRAFT, OPS CHECKS OK IAW AMM 79-30-05

Part: FLOORBEAM — CORRODED (BS 272) · airframe 18,021 hrs · 19,637 cycles

FLOORBEAM FRAME, AT FS 272, AND RBL 14.0, IS CORRODED OUT OF LIMITS. THE DAMAGE HAS BEEN REPAIRED IAW MESABA EO NR S53108. REF: EAMS WORK ORDER 21413 TASK 1502.

Part: SEAT TRACK — CORRODED (BS 630) · airframe 18,021 hrs · 19,637 cycles

RT CARGO SEAT TRACK, AT BL0, IS CORRODED OUT OF LIMITS AT FS630.112. THE DAMAGE HAS BEEN REPAIRED IAW MESABA EO NR S53079. REF: EAMS WORK ORDER 214133 TASK 1510.

Part: WEB — CORRODED (CABIN) · airframe 18,021 hrs · 19,637 cycles

FLOOR REINFORCEMENT WEB, P/N 7253721-439, IS CORRODED OUT OF LIMITS AT 2 LOCATIONS AND HAS BEEN REPAIRED IAW MESABA EO NR S53362. REF: EAMS WORK ORDER 214133 TASK 1504.

Part: SEAT TRACK — CORRODED (BS 630) · airframe 18,021 hrs · 19,637 cycles

LT SEAT TRACK, AT LBL 18.3, IS CORRODED OUT OF LIMITS AT FS 630.112. THE DAMAGE HAS BEEN REPAIRED IAW MESABA EO NR S53079. REF: EAMS WORK ORDER 214133 TASK 1509.

Part: SEAT TRACK — CORRODED (BS 294-363) · airframe 18,021 hrs · 19,637 cycles

SEAT TRACK AT LBL 18.3, BETWEEN FS 294 AND 363 IS CORRODED OUT OF LIMITS AND HAS BEEN REPAIRED IAW MESABA EO#S53342. REF: EAMS WORK ORDER 214133 TASK 1506.

Part: POST — CORRODED (COCKPIT DOOR) · airframe 18,021 hrs · 19,637 cycles

COCKPIT DOOR POST, AT LBL10, IS CORRODED OUT OF LIMITS AND HAS BEEN REPAIRED IAW MESABA EO NR S53185. REF: EAMS WORK ORDER 214133 TASK 2508.

Part: SEAT TRACK — CORRODED (BS 294-363) · airframe 18,021 hrs · 19,637 cycles

SEAT TRACK AT BL0, BETWEEN FS294 AND 363 IS CORRODED OUT OF LIMITS AND HAS BEEN REPAIRED IAW MESABA EO NR S53342. REF: EAMS WORK ORDER 214133 TASK 1505.

Part: FRAME — CHAFED (LT NACELLE) · airframe 18,021 hrs · 19,637 cycles

LT NACELLE, AT NS197, INBOARD SIDE OF FRAME, IS CHAFED OUT OF LIMITS. THE DAMAGE HAS BEEN REPAIRED IAW MESABA EO#S54166. REF: EAMS WORK ORDER 214134 TASK 4516.

Part: POWER SUPPLY — FAULTY (CABIN) · airframe 17,870 hrs · 19,461 cycles

OVERHEAD COVE EMERGENCY LIGHT 15LN INOP. FOUND EMERGENCY POWER SUPPLY 24LN CAUSING FAULT. REPLACED WITH SERVICEABLE UNIT. ALL CHECKS GOOD.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 15,345 hrs · 16,717 cycles

DURING 4K CHECK IN BNA FOUND RAIL ASSEMBLY P/N 7253710-871 BETWEEN FS 258 AND LBL 36 IS CORRODED OUT OF LIMITS AND HAS BEEN REPLACED IAW SRM 51-40-21 AND 51-40-22.

Part: GROUND WIRE — ARCED (WINDSHIELD HEAT) · airframe 14,635 hrs · 15,962 cycles

CREW SMELLED SOMETHING BURNING THEN NOTICED A SMALL PLUME OF SMOKE FROM LOWER LT SIDE OF LT WINDSHIELD. SELECTED LT FRONT HEAT OFF AND SMOKE AND SMELL WENT AWAY. MAINTENANCE FOUND GROUND CONNECTION FOR LT WINDSCREEN VERY LOOSE AND SIGNS OF ARCING. RESECURED GROUND NO DAMAGE NOTED, VERIFIED WINDSCREEN, OPS CHECKS GOOD.

Part: FUSE — BLOWN (EMERGENCY LIGHT) · airframe 13,415 hrs · 14,690 cycles

A/C WOULD NOT SUPPLY POWER AFTER REPLACING LT EXIT EMERGENCY LIGHTS EXIT LIGHT ASSEMBLY. MAINTENANCE REPLACED TWO BLOWN FUSES, PASSED AMM CHECKS AND WAS RETURNED TO SERVICE 5/1/04. REFER TO WO NR 367101 FOR ADDITIONAL INFORMATION.

Part: POWER SUPPLY — DISCHARGED (CABIN) · airframe 13,410 hrs · 14,680 cycles

LEFT EXTERIOR LIGHT FOUND INOPERATIVE. INSPECTED LIGHT AND FOUND EXTERIOR LIGHT ASSEMBLY SHORTED INTERNALLY AND POWER SUPPLY 74LN NOT SUPPLYING POWER TO LIGHT. REPLACED LIGHT ASSEMBLY AND POWER SUPPLY WITH SERVICEABLE UNITS. EMERGENCY LIGHTING OPS CHECKED GOOD.

Part: WARNING LIGHT — FALSE ACTIVATION (COCKPIT)

DURING FLIGHT 2735, OAT INDIATIONS ON CAP AND F/O'S SIDE INOP. FLIGHT DIRECTOR AND A/P INOP. AIR RETURN TO DTW. MAINTENANCE UNABLE TO DUPLICATE PROBLEM CHECKED PROBE RESISTANCE AND HEATING. ALL CHECKS GOOD.

Part: POWER SUPPLY — DISCHARGED (CABIN)

DURING WALKAROUND FOUND FLOOR TRACK LIGHTING 426N, 436N, 446N INOP. MAINTENANCE REMOVED AND REPLACED POWER SUPPLY 20LN, PN 3301-51 SN/OFF 21987, SN/ON 2134 IAW SF340 AMM 33-50-10. OPS CHECK GOOD.

Part: ODOR — DETECTED (CABIN)

BURNING ODOR IN CABIN, ON FLIGHT 3175. BURNING ODOR IN CABIN STRONGER BY HEATERS. DEFERRED CABIN AUXILIARY GROUND HEATING SYSTEM IAW MEL 21-40-1. MX PROCEDURES COMPLIED WITH PULLED AND COLLARED FLIGHT DECK C/B'S, ENTERED INTO DMR MXC NOTIFIED. MAINTENANCE CLEANED FWD HEATER.

Part: ENGINE — SHUTDOWN (NR 4)

ON LANDING APPROACH ON FLIGHT 3401, NR 4 ENGINE SHUTDOWN. NO INFORMATION AT THIS TIME.

Part: BEARING — FAILED (NLG WHEEL)

DURING TAXI ON FLIGHT 3178, EXPERIENCED BEARING FAILURE ON NOSE WHEELS. NOSE TIRES FLAT ON LANDING. MAINTENANCE REMOVED AND REPLACED AXLES, AXLE ADAPTER, BOTH TORQUE LINKS AND BOTH NOSE TIRES SEE CONTINUATION CARDS 062267, 018454, 018447 AND 018503 AND TASK CARDS 3240-303 FOR DETAILS.

Part: WIRE — BROKEN (OIL TEMP IND)

IN CRUISE ON FLIGHT 3086, RT OIL TEMP PEGGED INFLIGHT. FOLLOWED QRH ALL OTHER INDICATIONS NORMAL. AIR RETURN TO MSP. MAINTENANCE REPAIRED BROKEN WIRE AND REPLACED CANNON PLUG, OPS CHECKS GOOD.

Part: COMPUTER — MALFUNCTIONED (NR 2)

DURING FLIGHT NR 2977, RIGHT SIDE RED HEADING. PERFORMED QRH SELECTED X-SIDE DATA. AIR RETURN TO MSP. MAINTENANCE REPLACED NR 2 AHRS COMPUTER. NR 2 AHRS COMPUTER CHECKS GOOD. IAW SF340, MM CHAP 34.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,675 hrs · 10,729 cycles

DURING 4K/2Y/4Y INSPECTION IN CWA, GALLEY I/B SEAT TRACK PROFILE HAS CORROSION AT AFT PORTION. MAINTENANCE REMOVED CORROSION IAW SRM 51-70-40.

Part: CHANNEL — CORRODED (AIRSTAIRS) · airframe 9,675 hrs · 10,729 cycles

DURING 4K/WY/4Y INSPECTION IN CWA, AIRSTAIR U-CHANNEL HAS CORROSION. MAINTENANCE REMOVED CORROSION IAW SRM 51-70-40.

Part: FLOORBOARD — CORRODED (FUSELAGE) · airframe 9,675 hrs · 10,729 cycles

DURING 4K/2Y/4Y INSPECTION IN CWA, FLOOR BOARD WEB STA 288 HAS SEVERAL RIVETS, CORRODED AND CORROSION FWD OF SEAT 1A, C/D. MAINTENANCE REMOVED AND REPLACED STA 288 WEB IAW SRM 51-00-00.

Part: RIVET — CORRODED (FUSELAGE) · airframe 9,675 hrs · 10,729 cycles

DURING 4K/2Y/4Y INSPECTION IN CWA, RIVETS ON FRAME ANGLE AT STA 236 HAVE CORROSION. MAINTENANCE REMOVED CORROSION AND REPLACED RIVETS AS REQUIRED IAW SRM 51-70-40 AND 51-40-21.

Part: ANGLE — CORRODED (FUSELAGE) · airframe 9,675 hrs · 10,729 cycles

DURING 4K/2Y/4Y INSPECTION IN CWA, FRAME ANGLES STA 258 HAS CORROSION. MAINTENANCE REMOVED CORROSION AND REPAIRED FRAME IAW EO NR S53108.

Part: ANGLE — CORRODED (FUSELAGE) · airframe 9,675 hrs · 10,729 cycles

DURING 4K/2Y/4Y INSPECTION IN CWA, ANGLE AT FRAME STA 225 HAS CORROSION. MAINTENANCE REMOVED CORROSION AND REPAIRED ANGLE IAW SRM 51-70-20.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,675 hrs · 10,729 cycles

DURING 4K/2Y/4Y INSPECTION IN CWA, NOTED LT CENTER AISLE SEAT TRACK LBL 18.3 CORROSION OUT OF LIMITS AT APPROXIMATELY STA 300. MAINTENANCE COMPLETED REPAIR IAW EO NR S53060 FROM STA 297 TO 329.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,675 hrs · 10,729 cycles

DURING 4K/2Y-4Y INSPECTION CARGO AREA SEAT TRACK SIDES HAVE CORROSION AT INFILL PANEL AREA. MAINTENANCE REMOVED CORROSION IAW SRM 51-70-40.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,675 hrs · 10,729 cycles

DURING 4K/2Y/4Y INSPECTION IN CWA, GALLEY AREA SEAT RAIL HAS CORROSION. MAINTENANCE REMOVED CORROSION IAW SRM 51-70-40.

Part: STRUCTURE — CORRODED (FUSELAGE) · airframe 9,675 hrs · 10,729 cycles

DURING 4K/2Y/4Y INSPECTION IN CWA, LEFT FWD SEAT TRACK WRAP AROUND HAS CORROSION. MAINTENANCE REMOVED AND REPLACED WRAP AROUND.

Part: CHANNEL — CORRODED (FUSELAGE) · airframe 9,675 hrs · 10,729 cycles

DURING 4K/2Y/4Y INSPECTION IN CWA, LBL 11 CHANNELS BETWEEN FRAMES 236 AND 258 HAVE CORROSION. MAINTENANCE REMOVED CORROSION, REPLACED BEAM AND ANGLE IAW SRM 51-40-20.

Part: STRUCTURE — CORRODED (FUSELAGE) · airframe 9,675 hrs · 10,729 cycles

DURING 4K/2Y/4Y INSPECTION IN CWA, CORROSION ON GALLEY FLOOR INTERCONNECTS. MAINTENANCE REMOVED CORROSION IAW SRM 51-20-42.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 9,675 hrs · 10,729 cycles

DURING 4K/2Y-4Y INSPECTION IN CWA, CARGO AREA SEAT TRACK LBL 18.3 HAS LIGHT CORROSION. MAINTENANCE REMOVED CORROSION IAW SRM 51-70-40.

Part: CONNECTOR — DIRTY (AC BAY)

AIR TURNBACK TO DTW. RT ACM TEMP IS UNCONTROLLABLE AND RT BLEED CLOSED AND WOULD NOT REOPEN. MAINTENANCE VERIFIED PIREP, CLEANED AND RESECURED CANNON PLUG TO RT DUAL TEMP CONTROL VALVE. GROUND RAN A/C FOR 30 MINUTES. OPS CHECK OF RT TEMPERATURE SYSTEM GOOD AT THIS TIME.

Part: SKIN — DAMAGED (FUSELAGE)

FOUND DURING C-CHECK, FOUND DAMAGE TO REAR LOWER FUSELAGE BETWEEN STA 630 - 649 BELOW SL1524. REFER TO MESABA 409 CARD 059537, CELSIUS W/O 19036, TASK CARD 2507 AND SAAB STATEMENT 340SDS000487.

Part: SEAT TRACK — CORRODED (FUSELAGE)

FOUND DURING C-CHECK, CORROSION FROM STA 294 THRU STA 363 AT BL 0 IB FLOORBOARD PANEL FLANGE. REFER TO CELSIUS W/O 19036, TASK 1523, AND SAAB STATEMENT 340 SDS000487. MAINTENANCE REMOVED CORROSION IAW SRM 51-10-30. SEEIPM 12 WHERE MATERIAL REMOVED IS OUT OF LIMITS. REPLACED SEAT TRACK PN 7253799-383, NSN.

Part: SEAT TRACK — CORRODED (FUSELAGE)

FOUND DURING C-CHECK, CORROSION FROM STA 294. THRU STA 363 ON SEAT TRACK LBL 18 INBOARD FLOOR PANEL. REFER TO CELSIUS W/0 19036, TASK CARD1522, AND SAAB STATEMENT 340SDS000487. MAINTENANCE REMOVED CORROSION IAW SRM 51-70-40, SEE IPM 12 FORM. REPAIRED SEAT TRACK FROM STA 294 THRU 319 PER ANGLE IN STALLATION, REMAINING AREAS ACCEPTED AS IS IAW SAAB ENGINEERING REPORT 340SDS000 487.

Part: SKIN — DENTED (FUSELAGE)

FOUND DURING C-CHECK, SEVERAL DENTS ON LT FUSELAGE AFT OF THE ICE SHIELD AT STA 363 AND BELOW SL1534. REFER TO CELSIUS W/O 19036, TASK CARD 2531. MAINTENANCE FOUND DENTS OUT OF ALLOWABLE LIMIT REF SAAB SRM 51-10-10 LESS THAN 4XL. NDT PERF FVNDT006EC NO CRACKS NOTED. FOR REPAIR DETAIL AND CORRECTIVE ACTION OF ABOVE DISCREPANCY SEE IPM 12 FORM. REPAIR COVERED DAMAGE DISCREPANCY FROM WO 19036 TASK 2533.

Part: SHIELD — DENTED (FUSELAGE)

FOUND DURING C-CHECK, SEVERAL DENTS ON LT FUSELAGE AFT OF THE ICE SHIELD, AT STA363. AN SL 1540. REFER TO CELSIUS TASK CARD 2532, W/O 19036. MAINTENANCE FOUND DENTS OUT OF ALLOWABLE LIMIT REF SAAB SRM 51-10-10, LESS THAN 4 X LAND 51-10-10, DENTS TYPE 1 AREA 2. NDTPERFFVNDT006EC, NO CRACKS NOTED FOR CORRECTIVE ACTION AND REPAIR DETAIL SEE IPM 12 FORM.

Part: SKIN — DENTED (FUSELAGE)

FOUND DURING C-CHECK, SEVERAL DENTS ON RT FUSELAGE BEHIND THE ICE SHELD AT APPROX. STA 350 AND SL 1634. REFER TO CELSIUS TASK CARD 2522, W/O 19036. MAINTENANCE FOUND DENTS OUT OF ALLOWABLE LIMIT REF SAAB SRM 51-10-10 LESS THAN 4 XL AND 51-10-10 DENT TYPE 1 AREA 2, NDTPERFFVNDT006EC. NO CRACKS NOTED. MAINTENANCE REPAIRED DENTS, FOR CORRECTIVED ACTION AND DETAIL SEE IPM 12 FORM. REPAIR COVERED AREA DAMAGE DISCREPANY FROM W/O 19036, TASK 2523.

Part: FLOOR PANEL — CORRODED (FUSELAGE)

FOUND DURING C-CHECK, FLOOR PANEL 122DZ, 122EZ, 121EZ UPPER FLOOR PANEL PLATES ARE CORRODED. REFER TO CELSIUS W/0 19036, TASK CARD 1525. MAINTENANCE REMOVED LIGHT SURFACTE FROM SHORT SPLICE PLATE IAW SRM 51-10-10. NEGL IGABLE MAT . LOSS TREATED AND PRIMED IAW SRM 51-20-42/43. REMOVEDCORROSION FROMLONG SPLICE MAT LOSS OUT OF LIMITS IAW SRM 51-10-10. FABRICATED NEW PLATE IAW SRM 51-40-40. TREATED, PRIMED AND TOPCOATED IAW SRM 51-20-42/43.

Part: FIRE DETECTOR — DAMAGED (CARGO BAY)

CARGO COMPARTMENT FIRE INDICATION IN COCKPIT. DIVERTED TO GRR, LANDED WITHOUT PROBLEM. TURNED CARGO COMPARTMENT FIRE EXTINGUISHER AND BOTH ENGINE FIRE EXTINGUISHERS ON. TURNED ON EMERGENCY LIGHT, ELT AND PRESSURIZATION DUMP SWITCHES. MAINTENANCE REPLACED FIRE BOTTLES AND CARGO SMOKE DETECTOR, OPS CHECKS GOOD. RESET SWITCHES.

Part: AXLE — FAILED (LT MLG)

ON TAKEOFF, LEFT HAND INBOARD WHEEL ASSEMBLY SEPARATED FROM AXEL. CREW LOWER GEAR AND LANDED IN DTW WITHOUT INCIDENT. MAINTENANCE REPLACED AXLE ASSEMBLY IAW SAAB MM 32-11-20, SC CHECKS GOOD.