N402XJ

Part: SPRING — UNKNOWN (PAX DOOR) · airframe 30,908 hrs · 33,643 cycles

FLIGHT 3977, PILOT REPORTED MAIN AIRSTAIR DOOR HARD TO OPEN. REPLACED LOWER HANDRAIL GAS STRUCT ON AIRSTAIR DOOR AND ROLE PIN ON LOWER HAND RAIL RETRACTING MECHANISM OPERATIONAL CHECKED GOOD.

Part: FILTER — DEFECTIVE (CABIN) · airframe 30,669 hrs · 33,393 cycles

FLIGHT; 3603 ATL/GNV ODD SMELL COMING FROM LEFT OR RIGHT BLEED SYSTEM. REPLACED FLIGHT COMPARTMENT RECIRCULATION FILTER.

Part: CONTROL PANEL — MALFUNCTIONED (COCKPIT) · airframe 30,173 hrs · 32,862 cycles

FLIGHT: 4045 FLL/FLL WHEN GEAR HANDLE LIGHTS SELECTED TO UP POSITION TRANSIT AND GEAR LIGHTS REMAIN ON MOTOR RUNS CONTINUOUS, GEAR DID NOT RETRACT. REPLACED LANDING GEAR CONTROL PANEL, OPERATIONAL CHECK GOOD.

Part: WIRE — FAILED (ELECTRICAL SYS) · airframe 29,977 hrs · 32,645 cycles

ON DEPARTURE, AFTER COMPLETION OF THE TAKEOFF CHECKLIST. RECEIVED SOLID LT SIDE MASTER WARNING. SOLID BRIGHT TAKE OFF INHIBIT LIGHT. SOLID LT OIL PRESSURE CWP LIGHT. F/O SIDE NR 2 PFD FLICKERED DIM, BRIGHT, AND THEN COMPLETELY OUT. ALSO OBSERVED VERY ACRID SMOKE ODOR IN THE COCKPIT AND CONFIRMED ODOR WITH F/A. APPROXIMATELY ONE MINUTE LATER, INDICATIONS WERE DIM, MASTER WARNING/MASTER CAUTION DIM CWP ILLUMINATIONS. DECLAIRED EMERGENCY AND RETURNED BACK, MET BY ARF AND TAXI TO THE GATE WITH OUT FURTHER INCIDENT. FOUND WIRE DISCREPANCY. REPAIRED WIRING AND PERFORMED OPS CHECK OF EFFECTED SYS IAW AM AND WM, REF MM409 NR 206142 FOR DETAILS.

Part: SIGN — DISLODGED (CABIN) · airframe 29,918 hrs · 32,582 cycles

EMERGENCY EXIT SIGN AT SEAT 6A HAS FALLEN OFF. RESECURED EMERGENCY EXIT SIGN AT SEAT 6A AS REQUIRED.

Part: POWER SUPPLY — FAILED (CABIN) · airframe 28,268 hrs · 30,769 cycles

EMERGENCY LIGHT POWER SUPPLY AT 23LN FAILED CAP CHECK. INSTALLED SERVICEABLE POWER SUPPLY P/N 3301-51, S/N OFF 223, S/N ON 2016 AT 23LN IAW SAAB 340 AMM 33-50-10.

Part: UNKNOWN — ODOR (COCKPIT) · airframe 26,765 hrs · 28,953 cycles

ON OVERHEAD PANEL, THE L PITOT LIGHT ILLUMINATED INFLIGHT WITH AN ELECTRICAL BURNING SMELL ASSOCIATED. RAN THE QRH AND SMELL PERSISTED. DIVERTED TO FARGO AND EMERGENCY DECLARED. DISCONNECTED BATTS AND CIRCUIT BREAKER J27 PULLED. R&R THE LT CURRENT SENSOR PN OFF QR50V SN OFF C1-94907. SN ON QR50V, SN ON CP-85534 IAW WITH THE SAAB 340 AMM 30-30-00-05. DURING OPS CHECKS NO SMOKE OR BURNING SMELL NOTED. RETURNED ACFT TO SERVICE FOR WORK PERFORMED. CONNECTED BOTH BATTERIES.

Part: SKIN — DENTED (PAX DOOR) · airframe 26,693 hrs · 28,856 cycles

5 DENTS IN PAX DOOR OUTER SKIN. DENTS NR 1, 2, 3, 4 ARE ACCEPTED AS IS AND DENT NR 5 WAS REPAIRED.

Part: SKIN — DENTED (FUSELAGE) · airframe 26,053 hrs · 28,190 cycles

PWI TO REPAIR LT FUSELAGE DENT 12.5 INCH FWD OF PASSENGER ENTRANCE DOOR. INSTALLED DOUBLER/TRIPLER REPAIR TO DAMAGED ARE IAW EO S53009. FRAME STATIONS 236.5-248.5 AND STRINGERS 1532-1536.

Part: CONTROL MODULE — MALFUNCTIONED (ANTI-ICE SYS) · airframe 25,570 hrs · 27,658 cycles

DURING CLIMB-OUT, RT ENGINE INTAKE LIGHT ILLUMINATED, WITH A STRONG SMELL OF MELTING RUBBER. THE F/O NOTICED GLOWING IN THE INTAKE. TURNED THE RT INTAKE SWITCH OFF, GLOWING WENT AWAY AND SMELL DISSIPATED. FOUND RT LOWER DUCT TO HAVE BURN SPOT. REMOVED AND REPLACED THE LOWER DUCT (INLET FWD) IAW AMM 71-60. REMOVED AND REPLACED RT DEICE CTRL MODULE IAW ACT MM 30-21, PN ON/OFF 44730-501, SN/ON A00491 SN/OFF A00632. DUCT PN ON/OFF NH24668-169, SN/ON L291146 SN/OFF L16236. OPS CHECK OF RT ENG INLET ANTI-ICE IAW MM 30-20, IS GOOD.

Part: ACCUMULATOR — BURST (HYDRAULIC SYSTEM) · airframe 23,372 hrs · 25,293 cycles

THE AIRCRAFT WAS BEING TOWED FROM THE HANGER AFTER OVERNIGHT MAINTENANCE IN CWA. THE AMT IN THE COCKPIT SELECTED THE HYD PRES SWITCH FOR HYDRAULIC PRESSURE, NEEDED TO SET THE BRAKES. AS THE SYSTEM NEARED "FULL CHARGE" THE ACCUMULATOR BURST, CAUSING SUBSEQUENT DAMAGE TO THE NOSE SECTION OF THE AIRCRAFT. REPLACED ACCUMULATOR.

Part: ACCUMULATOR — RUPTURED (HYD SYSTEM) · airframe 23,372 hrs · 25,293 cycles

STRUCTURAL DAMAGE OCCURRED TO THE NOSE WHEEL WELL AND FORWARD RIGHT SIDE FUSELAGE SECTION AS A RESULT OF A MAIN HYDRAULIC ACCUMULATOR EXPLOSIVE RUPTURE, WHILE THE AIRCRAFT WAS ON THE GROUND DURING A ROUTINE MAINTENANCE VISIT. A PREVIOUS SDR WAS SUBMITTED TO COVER THE REPORTING REQUIREMENTS FOR THE ACCUMULATOR COMPONENT FAILURE. THIS REPORT IS TO COVER THE RESULTING STRUCTURAL DAMAGE AND SUBSEQUENT REPAIRS. A PORTION OF THE RUPTURED ACCUMULATOR TRAVELED DOWNWARD CAUSING EXTENSIVE DAMAGE TO THE NOSE WHEEL WELL RIGHT SIDEWALL WEB AND LOWER LONGERON (P/N 7253620-068). THE SIDEWALL WEB AND LONGERON WERE SEVERED APPROXIMATELY 8 INCHES AFT OF THE FORWARD END OF THE NOSE WHEEL WELL. THE LOWER FORWARD RIGHT SIDE

Part: INDICATOR — MALFUNCTIONED (ITT) · airframe 23,343 hrs · 25,254 cycles

ITT ON RIGHT ENGINE IS INDICATING 100-130 LESS THAN LEFT ENGINE, LEFT ENGINE IS NORMAL ITT FOR CHARTED TORQUE. RIGHT ITT IS FLUCTUATING 10-40 ALL OTHER INDICATIONS NORMAL. COMPLETED GROUND RUN, COULD NOT DUPLICATED 100-130 SPLIT, COMPLETED GPA RUNS ON BOTH ENGINES, GPA MARGIN WAS CONSISTENT WITH CURRENT ECTM DATA. REPLACED RIGHT ITT INDICATOR, OPS CHECK GOOD.

Part: CONTROL HEAD — FAILED (NR 2 COMM) · airframe 23,156 hrs · 25,058 cycles

COMM 2 DISPLAY WENT BLANK ON CLIMB-OUT. RADIO FUNCTIONS NORMAL. REMOVED AND REPLACED NR 2 COMM CONTROL HEAD. ALL CHECKS GOOD.

Part: CONTROL HEAD — MALFUNCTIONED (TRANSPONDER) · airframe 21,645 hrs · 23,376 cycles

SECOND DIGIT OF TRANSPONDER CODE IS BEING RECEIVED FOUR HIGHER THAN IS DISPLAYED ON UNIT. REMOVED AND REPLACED CONTROL HEAD. P/N ON/OFF: 622-6523-213; S/N ON: 12760; S/N OFF: 12891.

Part: TRANSPONDER — MALFUNCTIONED (NR 1) · airframe 21,645 hrs · 23,376 cycles

SECOND DIGIT OF TRANSPONDER CODE IS BEING RECEIVED FOUR HIGHER THAN IS DISPLAYED ON UNIT. REMOVED AND REPLACED NR 1 TRANSPONDER.

Part: TRANSPONDER — MALFUNCTIONED (NR 2) · airframe 21,645 hrs · 23,376 cycles

SECOND DIGIT OF TRANSPONDER CODE IS BEING RECEIVED FOUR HIGHER THAN IS DISPLAYED ON UNIT. REMOVED AND REPLACED NR 2 TRANSPONDER.

Part: BATTERY — FAILED (EMERGENCY LIGHT) · airframe 21,517 hrs · 23,240 cycles

DURING EMERGENCY BATTERY CAP CHECK FOUND POWER SUPPLIES AT 20LN, 21LN, & 23LN TO HAVE FAILED CAP CHECK. REPLACED ALL 3 POWER SUPPLIES WITH SERVICEABLE UNITS.

Part: SEAT TRACK — CORRODED (BS 300) · airframe 21,449 hrs · 23,165 cycles

DURING 2Y CHECK IN YQB FOUND CORROSION ON THE RT SEAT TRACK AT STA 300.0. THE REPAIR WILL BE CARRIED OUT IAW MESABA EO S53060 ON MM409 263332.

Part: ATTACH FITTING — CHAFED (LE FLAPS) · airframe 21,449 hrs · 23,165 cycles

DURING 2Y CHECK IN YQB FOUND RT FLAP P/N 7257800-572, S/N 1292 WAS REPAIRED AS PER ENGINEERING ORDER S57110 WHICH COVERS DELAMINATION AT LEADING EDGE. CHAFING AT INBOARD EDGE AND FLAP ACTUATOR ATTACHMENT FITTING LUG.

Part: DOOR FRAME — CORRODED (COCKPIT DOOR) · airframe 21,449 hrs · 23,165 cycles

DURING 2Y CHECK IN YQB FOUND THE COCKPIT DOOR POST WAS FOUND CORRODED ON THE LT SIDE BOTTOM CORNER. THE REPAIR WILL BE CARRIED OUT IAW MESABA EO S53185 ON MM409 263339.

Part: AIRSTAIR TRACK — CORRODED (FUSELAGE) · airframe 19,312 hrs · 20,896 cycles

DURING 4K CHECK FOUND RAIL ASSEMBLY, P/N 7253710-871 BETWEEN FS 258 AND 288 IS CORRODED AND WILL BE REPLACED IAW SRM 51-40-21.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 19,312 hrs · 20,896 cycles

DURING 4K CHECK IN BNA FOUND SEAT TRACK AT LBL 18.3 IS CORRODED OUT OF LIMITS FROM FS 298 TO FS 345 AND WILL BE REPLACED IAW MESABA EOS53060.

Part: STRUT — UNDERSERVICED (NLG) · airframe 19,168 hrs · 20,739 cycles

LANDING GEAR INTRANSIT LIGHT REMAINED ON WELL AFTER GEAR HANDLE WAS SELECTED UP. PERFORMED QRH. CONDITION REMAINED. AIR RETURN TO CID. MAINTENANCE SUSPECT NLG NEVER EXTENDED FULLY TO ENGAGE CENTERING CAM. AFTER PROPER SERVICING STRUT RAN GEAR EXTENSION/RETRACTION THRU SEVERAL TIMES. OPS CHECK GOOD. ALL INDICATIONS NORMAL.

Part: LEAD — OPEN (PROP DEICE SYS) · airframe 18,913 hrs · 20,459 cycles

RT PROP HEAT CAUTION LIGHT ILLUMINATES 40 SECONDS IN NORMAL AND 10 SECONDS IN MAX. AIR RETURN TO MSP. MAINTENANCE CLEANED BRUSH BLOCK, RAN AC OPS CK GOOD. MAINTENANCE FOUND PROP DE-ICE LEADS AT PROP BLADES 1 AND 3 TO HAVE OPEN LEADS. REPLACED DE-ICE LEADS PN 660714263 AS PER SAAB AMM RAN AC FOR 15 MIN, OPS CHECKS GOOD.

Part: LIGHT — INOPERATIVE (CABIN)

DURING LC1 & LC2 CHECKED EMERGENCY LIGHTING SYSTEM. NOTED SECTION OF FLOOR PROX INOP. UPON REMOVAL NOTED WIRES WERE PULLED FROM THE STRIP. MAINTENANCE REMOVED AND REPLACED 46LN PN 6636-3, OPS CHECK GOOD.

Part: RELAY — FAILED (EMERGENCY LIGHT)

DURING LC1 & LC2, CHECKED EMERGENCY LIGHTING SYSTEM. NOTED SECTION OF FLOOR PROX INOP. UPON REMOVAL NOTED WIRES WERE PULLED FROM THE STRIP. MAINTENANCE REMOVED AND REPLACED 46LN, P/N 6636-3. OPS CHECK GOOD.

Part: STRUCTURE — VIBRATION (FUSELAGE)

A/C HAS A LATERAL VIBRATION SIMILAR TO LIGHT TURBULENCE, SEEMS TO BE MORE PRONOUNCED AT SPEEDS ABOVE 210. AIRCRAFT IS SHOWING SIMILAR VIBRATION AT ALL ALTITUDES. MAINTENANCE INSPECTED AIRCRAFT RUDDER DAMPNER, ALL PANELS SWING GEAR RAN ENGINE, TESTED FLT CONTROLS FOR SECURITY, OPS CHECKED. DE-ICE BOOTS, AND LANDING GEAR DOORS UP AND DOWN POSITIONS, ALL INSPECTIONS CHECKED GOOD.

Part: THERMOSTAT — FAULTY (RT ENGINE) · airframe 17,817 hrs · 19,292 cycles

RT ENGINE INTAKE LIGHT CYCLED ON AND OFF NUMEROUS TIMES; RAN QRH--NO CHANGES. IT CYCLED FOR THE REMAINDER OF FLIGHT. AIR RETURN TO DTW. MAINTENANCE FOUND NR 3 THERMOSTAT ON LOWER DUCT OPEN--SWAPPED TO NR 4 POSITION. COMPLETED OP'S CK'S IAW AMM. ALL CHECKS GOOD. SEE 409 NR 131454 FOR DETAILS.

Part: GCU — FAILED (AC GENERATOR) · airframe 17,518 hrs · 18,972 cycles

LEFT DC GEN CAUTION LIGHT ON INTERMITANTLY RESETS AFTER 10-15 SECONDS. AIR RETURN TO MSP. REMOVED AND REPLACED LEFT AC GEN GCU DUE TO DISCREPANCY IN COMMUNICATION WITH MXC/MX AND FLT CREW. P/N 51634-002, S/N OFF 97035, S/N ON 97031 IAW AMM 24-20-10-2. REMOVED AND REPLACED LEFT DC GCU IAW AMM 24-30-10 51539-007B, S/N OFF 98657 S/N ON 98114. OPS CHECKS GOOD.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 17,294 hrs · 18,726 cycles

DURING 4Y/2Y INSPECTION, RIGHT I/B SEAT TRACK AT STA 295 HAS CORROSION. REMOVED DAMAGED SEAT TRACK SECTION AT STA 295, CUT-DRILLED, DEBURR-TREATED, SEAT TRACK, INSTALLED NEW FABRICATED SEAT TRACK IAW EO S53060. A/C RELEASE DATE 3/1/04.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 18,726 hrs · 17,294 cycles

DURING 4Y/2Y INSPECTION, LEFT I/B SEAT TRACK AT STA 295 HAS CORROSION. REMOVED DAMAGED SEAT TRACK SECTION AT STA 295, CUT-DRILLED, DEBURR-TREATED, SEAT TRACK, INSTALLED NEW FABRICATED SEAT TRACK IAW EO S53060. A/C RELEASE DATE 3/1/04.

Part: GCU — FAILED (DC GENERATOR)

DURING FLIGHT NR 3021, LT DC GEN FAILED INFLIGHT ZRH COMPLETED MX. NOTIFIED. AIR RETURN TO MSP. MAINTENANCE REMOVED AND REPLACED LT DC GEN GCU PN 51539-007B SN/ON 98657 OFF/98114 IAW AMM 24-31-10-2 OPS CHECK GOOD-

Part: HOSE — BROKEN (PAX O2 BOTTLE)

DURING PREFLIGHT INSPECTION OF FLIGHT NR 2994, PAX O2 BOTTLE HOSE BROKEN. MAINTENANCE CUT END AND REATTACHED TO O2 BOTTLE.

Part: SMOKE DETECTOR — MALFUNCTIONED (E/E BAY)

DURING TAKEOFF ON FLIGHT NR 3342, AVIONIC SMOKE DETECTION LIGHT ILLUMINATED. ABORTED TAKEOFF. AVIONICS SMOKE LIGHT ILLUMINATED ON TAKEOFF, PERFORMED HIGH SPEED ABORT AND USED MAX BRAKING. MECHANIC SIGN OFF: PERFORMED REJECTED TAKEOFF INSPECTION IAW SAAB AMM 05-50-00. ALL CHECKS GOOD. DEFERRED AVIONICS SMOKE LIGHT IAW 26-13-3B ENTERED INTO DMR AND MXC NOTIFIED. MAINTENANCE REPLACED DETECTOR.

Part: BATTERY PACK

DURING OPS TEST OF EMERGENCY LIGHTS (TASK CARD #335003) MAINTENANCE FOUND EMERGENCY BATTERY PACK 21LN INOP. MAINTENANCE REMOVED AND REPLACED BATTERY PACK 21LN, OPS CHECK OK.

Part: ACTUATOR — BINDING (AIRSTAIR)

AFTER FLIGHT NR 2906, AIRSTAIRS BINDING ON RT (FORWARD) SIDE DURING EXTENSION AND RETRACTION. MAINTENANCE CLEANED AND LUBRICATED ALL ACTUATORS ON AIR STAIRS, COULD NOT FIND ANY PROBLEMS. OPS CHECK GOOD.

Part: DOOR — LOOSE (NR 2 NACELLE)

DURING FLIGHT NR 2789, NR 2 ENGINE O/B NACELLE DOOR NOT SECURED, CAME LOOSE INFIGHT. AIR RETURN TO MSP. MAINTENANCE REMOVED AND REPLACED COWL DOOR FRAME ASSEMBLY P/N LH7271110-613 RH7271110-614, SECURED CHECK GOOD.

Part: FRAME — CORRODED (FUSELAGE) · airframe 14,041 hrs · 15,325 cycles

DURING 4K-INSPECTION IN CWA, FRAME 236 HAS LIGHT CORROSION ON UPPER FLANGE. MAINTENANCE REMOVED CORROSION IAW SRM 51-70-40.

Part: WEB — CORRODED (FUSELAGE) · airframe 14,041 hrs · 15,325 cycles

DURING 4K-INSPECTION IN CWA, PILOTS AND COPILOTS FLOOR HAS LIGHT CORROSION ON THE FLOOR AND RIVET HEADS. MAINTENANCE REMOVED CORROSION FROM COCKPIT FLOOR IAW SRM 51-20-43.

Part: FRAME — CORRODED (FUSELAGE) · airframe 14,041 hrs · 15,325 cycles

DURING 4K-INSPECTION IN CWA, FRAME 272 HAS LIGHT CORROSION ON UPPER FLANGE. MAINTENANCE REMOVED CORROSION IAW SRM 51-70-40.

Part: FRAME — CORRODED (FUSELAGE) · airframe 14,041 hrs · 15,325 cycles

DURING 4K-INSPECTION IN CWA, FRAME 258 HAS LIGHT CORROSION ON UPPER FLANGE. MAINTENANCE REMOVED CORROSION IAW SRM 51-70-40.

Part: FRAME — CORRODED (FUSELAGE) · airframe 14,041 hrs · 15,325 cycles

DURING 4K-INSPECTION IN CWA, FRAME 288 AND 294 UPPER WEBBING HAS LIGHT CORROSION. MAINTENANCE REMOVED WEBBING FOR BOTH FRAMES IAW SRM 51-20.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 14,041 hrs · 15,325 cycles

DURING 4K-INSPECTION IN CWA, FWD AISLE SEAT TRACKS LT AND RT HAS LIGHT CORROSION. MAINTENANCE REMOVED CORROSION IAW SRM 51-70-40.

Part: TRACK — CORRODED (AIRSTAIRS) · airframe 14,041 hrs · 15,325 cycles

DURING 4K-INSPECTION IN CWA, AIRSTAIR MAIN TRACK HAS LIGHT CORROSION. MAINTENANCE REMOVED CORROSION IAW SRM 51-70-40.

Part: FRAME — CORRODED (FUSELAGE) · airframe 14,041 hrs · 15,325 cycles

DURING 4K-INSPECTION IN CWA, FRAME 225 HAS LIGHT CORROSION ON UPPER FLANGE. MAINTENANCE REMOVED CORROSION IAW SRM 51-70-41.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 14,041 hrs · 15,325 cycles

DURING 4K-INSPECTION IN CWA, GALLEY I/B SEAT TRACK HAS LIGHT CORROSION. MAINTENANCE REMOVED CORROSION IAW SRM 51-70-41.

Part: BOLT — DEFECTIVE (LT & RT MLG)

DURING FLIGHT 3115 INBOUND TO DTW, LEFT LANDING GEAR WOULD NOT LOCK IN DOWN POSITION. RAN QRH GEAR DOWN UNSAFE CONDITION. PUMPED GEAR DOWN AND PULLED EMERGENCY GEAR HANDLE, STILL LEFT MAIN LIGHT REMAINED OUT. DECLARED EMERGENCY AND LANDED SUCCESSFULLY IN DTW. MAINTENANCE REPLACED LT AND RT MAIN GEAR EXPLOSIVE BOLTS AND LT MAIN GEAR O/B ASSIST SPRING AND CABLE ASSY.

Part: DUCT — BURNED (LT ENGINE)

AFTER TAKEOFF ON FLIGHT 175, LT INTAKE LIGHT ILLUMINATED IN FLIGHT. AIR RETURN TO MSP. LOWER DUCT IS BURNT. MAINTENANCE REMOVED AND REPLACED LT LOWER INTAKE DUCT. OPS CHECK GOOD.

Part: SENSOR — DEFECTIVE (RT ENGINE)

DURING FLIGHT 2924, RT ENGINE PROP OIL TEMP HIGH. AIR RETURN TO DTW. MAINTENANCE REPLACED TEMP DETECTOR.

Part: CONNECTOR — CONTAMINATED (CHIP DETECTOR)

ON CLIMBOUT DURING FLIGHT 2826, RT CHIP DETECTOR CAUTION LIGHT ILLUMINATED ALL OTHER INDICATIONS NORMAL. AIR TURNBACK TO DTW. MAINTENANCE CLEANED AND RESECURED CHIP DETECTOR CANNON PLUG FROM MOISTURE, RAN A/C FOR 10 MINUTES. ALL CHECK GOOD ON THE GROUND.

Part: PUMP — FAILED (FUEL BOOST)

LT ENGINE EXPERIENCED UNCOMMANDED ROLLBACK CLIMBING THROUGH 6000 FT. CREW SHUT THE ENGINE DOWN AND RETURNED TO DTW. AT 5000 FT NR 1 ENGINE QUICKLY LOST 40 PERCENT TORQUE. ENGINE SEEMED TO RECOVER SLIGHTLY THEN CONTINUED ON TO LOSE POWER. ENGINE WAS SHUTDOWN AND ORH COMPLETED. MAINTENANCE REPLACED RT ENGINE FUEL BOOST PUMP AND FILTER P/N 5034T91P06, S/N ON LJA41237, S/N OFF LJA20693 IAW SF340 AMM CHAP 28. OPS CHECK GOOD. REFER TO MM 409 091503 FOR DETAILS.

Part: SKIN — MISREPAIRED (FUSELAGE)

FOUND DURING C-CHECK, FOUND NON-STANDARD REPAIR DOUBLER ON LT FUSELAGE STA 342 JUST BELOW CABIN WINDOW. REMOVED PREVIOUS REPAIR TO NDT IAW SRM 51-40-21. NO CRACKS NOTED IAW FFUNDT006. FABRICATED REPAIR DOUBLER PER PRINCIPLES OF SAAB REPAIR 72SDS0384, TREATED, PRIMED AND OP COATED REPAIR AREA PER SRM 51-20-42/43, INSTALLED REPAIR PER SAAB REPAIR 72SDS0384 AND FILLET SEALED PER SRM 51-20-56.

Part: GALLEY TRACK — CORRODED (FUSELAGE)

FOUND DURING C-CHECK, CORROSION ON LAV AND GALLEY SEAT TRACK. MAINTENANCE REMOVED CORROSION ON SEAT TRACK RAIL REF SAAB SRM 51-70-40.

Part: STRUCTURE — CORRODED (FUSELAGE)

DURING C-CHECK, FOUND CORROSION AT BL 0.0 FROM STA 294.0 TO 363.0. MAINTENANCE REMOVED CORROSION DAMAGE IAW SRM 51-70-40, REPAIR OUT OF LIMIT. REMOVED CORROSION UNDER REPAIR IAW SRM 51-70-10. REMAINING MATERIAL IS OUT OF LIMITS.

Part: SEAT TRACK — CORRODED (FUSELAGE)

FOUND DURING C-CHECK, CORROSION ON SEAT TRACK LBL 18.3 STA 640 TO STA 686 ON FLOOR PANEL FLANGES. MAINTENANCE REMOVED CORROSION DAMAGE IAW SRM 51-70-40. REMOVED 10 NUT PLATES TO FOM IAW SRM 51-40-23, MATERIAL REMAINING OUT OF LIMITS, REF SRM 53-30-60.

Part: SEAL BRACKET — DENTED (FUSELAGE)

FOUND DURING C-CHECK, SEVERAL DENTS IN DOOR SEAL RADIUS AT THE AFT LOWER CORNER OF CARGO BAY. MAINTENANCE INSPECTED FOUND NO CRACKS, NO DELAM NOTED. NDTPERFFVNDT004UT BOND & 006EC, NO REPAIR NECESSARY IAW SAAB STATEMENT 72SDS2632.

Part: FLOOR SUPPORT — PUNCTURED (FUSELAGE)

FOUND DURING C-CHECK, FLOOR BOX ASSEMBLY NR 171DZ PUNCTURED. MAINTENANCE REPAIRED PUNCTURE AND COMPOSITE DAMAGE PER WETLAY UP REF SAAB SRM 51-70-50. REINFORCED BOX ASSY WITH FIBRELAM GRADE 11, AND BONDEDIN PLACE USED REDUX 252, REF SAAB SRM 51-33-00, AND REF TO SAAB STATEMENT 72LCS0689 FOR USE OF FIBRELAM GRADE 11.

Part: STRUCTURE — CORRODED (FUSELAGE)

FOUND DURING C-CHECK, CORROSION AT LBL 18:30 FROM STA 294 TO 363. MAINTENANCE REMOVED CORROSION PER SRM 51-70-40. REMINING MATERIAL IS OUT OF LIMITS STA 294 - 339.

Part: SKIN — CHAFED (TE FLAP)

FOUND DURING C-CHECK, SKIN AT UPPER REAR EDGE OF FLAP INFILL PANEL CHAFED. MAINTENANCE SMOOTHED OUT CHAFE, DAMAGE ON INFILL PANEL SRM 51-10-10. CLEANED AREA ON TRAILING EDGE, NO DAMAGE TO FIBRE NOTE, A NIT-STATIC AND PAINT DAMAGE ONLY. ALODINED AND PRIMED BARE METAL IAW SRM 51-20- 40, APPLIED ANIT-STATIC COATING IAW SRM 51-70-55. TOPCOATED ALL REPAIRS.

Part: WHEEL — FAILED (MLG)

ON LANDING BRAKES LOCKED UP, 4 FLAT TIRES. PARK BRAKE WAS IN THE OFF POSITION, ANTI-SKID SWITCH WAS IN THE ON POSITION. MX INSTALLED 4 SERVICABLE WHEEL ASSEMBLIES, INSPECTED BRAKES, PERFORMED TAXI CHECK. OPS CHECK OF BRAKE GOOD.

Part: RADAR — FAILED (FWD FUSELAGE)

WEATHER RADAR TILT DOES NOT WORK, IT WOULD ONLY PAINT A SOLID RED LINE AT ABOUT 10 DME. THEN RED LINE WOULD INCREASE WITH ALTITUDE, RESET CB'S TWICE WITH NO EFFECT, STABALIZATION HAD NO EFFECT. AIRCRAFT RETURNED TO MSP. MAINTENANCE REPLACED WEATHER RADAR ANTENNA DRIVE. SYSTEM OPS CHECK GOOD IAW SF 340 MM CHAP 34.

Part: CONNECTOR — LOOSE (LT ENG OIL TEMP)

IN FLIGHT LT ENGINE OIL TEMP GAUGE FULL HOT, TALKED TO MX AND RETURNED TO DTW. ALL OTHER ENGINE INDICATIONS NORMAL. MAINTENANCE FOUND LT ENGINE TEMP BULB CANNON PLUG LOOSE. RESECURED CANNON PLUG, ALL CHECKS GOOD.

Part: CONNECTOR — FAILED (CABIN)

FA REPORTED SMOKE IN CABIN ADJACENT TO SEAT 3D IN AREA OF SIDEWALL LIGHT. SMOKE SUBSIDED WHEN SIDEWALL LIGHTS TURNED OFF. MAINTENANCE FOUND SIDEWALL WINDOW LIGHTING SEAT 3D CHARRED AT CONNECTION AS WELL AS THE SOCKET.

Part: CHIP DETECTOR — CONTAMINATED (RT ENGINE)

ON CLIMBOUT FROM DTW, THE RIGHT CHIP DETECT LIGHT CAME ON, COMPLIED WITH QRH. ALL ENGINE PARAMETERS WERE NORMAL. AIRCRAFT RETURNED TO DTW. MAINTENANCE FOUND ONE SLIVER HAIR LIKE PIECE ON CHIP DETECTOR. CLEANED CHIP DETECTOR AND SCAVANGE SCREENS. GROUND RAN AIRCRAFT FOR 15 MINUTES, RIGHT CHIP DETECTOR LIGHT DID NOT ILLUMINATE. ALL WORK DONE IAW CT7 MM FAULT ISOLATION 72-00-00 PAGE 198.17. ALL CHECKS GOOD.

Part: ENGINE — POWER LOSS (RIGHT)

IN FLIGHT RIGHT ENGINE MOMENTARY POWER INTERRUPTION. ENGINE RECOVERED NORMALLY IN ICING CONDITIONS. NO POWER LEVER MOVEMENT OR CTOT. MAINTENANCE TROUBLE SHOT ROLLBACK IAW GEMM TABLE 103, F16, 101B, CHAP 72-00-00. DDT SHIFT WAS LESS THAN 25 DEGREES, NO FURTHER ACTION REQUIRED. ALL OTHER CHECKS GOOD.

Part: DEICE — FAILED (LT PROP)

LEFT PROP DEICE CAUTION LIGHT CAME ON IN FLIGHT. AIRCRAFT RETURNED TO MSP. MAINTENANCE REPLACED LEFT PROP ASSEMBLY, OPS AND LEAK CHECK GOOD.

Part: ICE SHIELD — DENTED (BS 342-348)

DURING C CHECK, RIGHT FUSELAGE HAS SEVERAL DENTS IN ICE SHIELD GUARD AND SURROUNDING AREA, FROM FS 342 TO 348 BETWEEN SL1616 AND SL1622. MAINTENANCE REPAIRED IAW 72SDS1062.

Part: ICE SHIELD — DENTED (BS 352-367)

DURING C CHECK, DENT UNDER ICE SHIELD FOUND TO BE OUT OF SRM LIMITS, LEFT SIDE AND ICE GUARD FROM FS 352 TO 367 BETWEEN SL1515 AND SL1517. MAINTENANCE REPAIRED WITH DOUBLER, IAW 72SDS1062.

Part: SEAT TRACK — CORRODED (BS 294-339)

DURING C CHECK, FOUND CORROSION AT BOTH CENTER AISLE SEAT TRACK FLANGES BL.O AND BL 18.5 FROM STATION 294 AND STATION 339. MAINTENANCE REPAIRED BY REINFORCING REPAIR ANGLE IAW 72SDS1048.

Part: BULB — FAILED (CABIN)

DURING INSPECTION, SMOKE NOTED COMING FROM WINDOW SIDE LIGHT. REMOVED BULB AND SMOKE CEASED. WINDOW LIGHTING DEFERRED AS PER MEL 33-20-1C.

Part: LIGHT — LOOSE (CABIN)

DURING INSPECTION, EMERGENCY LIGHT LOOSE AT SEAT 4 AND 6. MAINTENANCE SECURED LIGHTS. ALL CHECKS GOOD.

Part: LIGHT — INOPERATIVE (CABIN)

DURING INSPECTION, THE FLOOR TRACK EMERGENCY LIGHT EXIT IDENTIFIER STRIP INOP. MAINTENANCE REPLACED THE EMERGENCY EXIT IDENTIFIER STRIP. ALL CHECKS GOOD.

Part: ACM — FAILED (RIGHT)

FLT 3072 - DURING TAXI WHEN RIGHT LP BLEED TURNED ON, A LOUD NOISE HEARD AND AN ODOR IN THE COCKPIT. AIRCRAFT RETURNED TO THE GATE. MAINTENANCE REPLACED RIGHT ACM. ALL CHECKS GOOD. (X)

Part: BYPASS SENSOR — INTERNAL FAULT (RT ENGINE)

FLT 2979 - DURING FLIGHT, THE RIGHT OIL BYPASS CAUTION LIGHT ILLUMINATED. FLIGHT RETURNED TO DTW. MAINTENANCE REPLACED RIGHT ENGINE OIL BYPASS SENSOR. ALL CHECKS GOOD. (X)

Part: BATTERY PACK — DISCHARGED (CABIN)

DURING PRE-FLIGHT INSPECTION, THREE FORWARD PASSENGER DOOR AND EMERGENCY EXIT SIGNS FOUND INOPERABLE. MAINTENANCE REPLACED EMERGENCY BATTERY PACK. OPS CHECK GOOD. (X)

Part: UPLOCK HOOK — ICED UP (LANDING GEAR)

DTW - FLT 3431 - ON CLIMB-OUT, THE GEAR INTRANSIT LIGHT REMAINED ON AFTER GEAR EXTENSION. THE AIRCRAFT RETURNED TO DTW. MAINTENANCE REMOVED ICE FROM THE UPLOCK HOOK AND MICROSWITCH. ALL CHECKS SATISFACTORY. (X)

Part: DCP — MALFUNCTIONED (NR 1)

FLT 2924 - IN CRUISE FLIGHT, THE CREW RECEIVED LRN1 FLAG. THE AIRCRAFT RETURNED TO DTW. MAINTENANCE WAS UNABLE TO DUPLICATE THE DISCREPANCY. THE NR 1 DCP WAS REPLACED AS A PRECAUTION. (X)