N451XJ

Part: SMOKE DETECTOR — FALSE ACTIVATION (E/E BAY) · airframe 25,367 hrs · 28,266 cycles

RECEIVED AVIONICS SMOKE WARNING ABOUT 20 MIN AFTER T/O. DECLARED EMERGENCY, RAN EMERGENCY NON-NORMAL CHECKLIST. LANDED, DEFERRED AVIONICS RACK SMOKE DETECTOR IAW MEL 26-13-3, MX PROCEDURES C/W ENTERED INTO MM02, MX NOTIFIED NR1376. R & R SMOKE DETECTOR IAW AMM 26-13-05-04. OPS CHECK GOOD, REMOVED FROM MM02, MX NOTIFIED NR12463.

Part: SEAT TRACK — CORRODED (BS 301) · airframe 24,888 hrs · 27,665 cycles

RT AISLE SEAT TRACK HAS CORROSION ON THE SIDE, JUST AFT OF THE FWD WRAP AROUND AT STA 301. CUT OUT DAMAGE SECTION OF SEAT TRACK. REPAIRED AND INSTALLED NEW SECTION. REPAIR COMPLETED IAW MAL EO NR S53060. EO PROVIDES INSTRUCTIONS FOR REPAIR OF DAMAGE TO SEAT TRACKS FROM TOP TO BOTTOM IAW SRM CHAPTER 53-70-60 SPECIAL REPAIR PARAGRAPH 3. REV 4: PROVIDES INSTRUCTIONS TO TRIM OFF MATERIAL FROM THE OTBD LOWER FLANGE OF SEAT TRACK LBL 18.3 REPAIRS BETWEEN STA 297 AND 319, TO PREVENT CHAFING OF THE WIRE BUNDLE.

Part: WEB — CHAFED (BS 288-294) · airframe 24,888 hrs · 27,665 cycles

AFT GALLEY REINFORCEMENT WEB HAS SLIGHT CHAFE DAMAGE AT AFT LT OTBD CORNER FROM AIRSTAIRS SIDE. REPAIRED CHAFE IAW EO NR S53362. EO ACCOMPLISHES A REPAIR AS NEEDED TO THE FUSELAGE BOTTOM FRAME REINFORCEMENT LOCATED BETWEEN STA 288 - 294 IAW SRM 53-70-30 SPECIAL REPAIR PARAGRAPH 7.

Part: FRAME — CHAFED (BS 630.112) · airframe 24,888 hrs · 27,665 cycles

RT FUSELAGE FRAME AT STA 630.112, SL 1614 TO 1620 HAS SEVERAL CHAFED AREAS ON INBD FLANGE AFT EDGE. RT FUSELAGE FRAME STA 630.112 WAS FOUND CHAFED AT THE EDGE OF THE INNER (FREE) FLANGE. CHAFE NR1 - 9" ABOVE SL1614 IS 0.5" LONG X 0.125" DEEP, NR 2 - 12.25" ABOVE SL1614 IS 0.2" LONG X 0.027" DEEP AND NR 3 - 15.5" ABOVE SL1614 IS 0.4" LONG X 0.017" DEEP. CHAFES ARE THE SAME AS THOSE REPAIRED IAW REPAIR STATEMENT 340SDS016589 PARA. 5 & 6 DATED 11/26/08 (A/C 433). FRAME 630.112 IS NOT FCBS (FATIGUE CRITICAL BASELINE STRUCTURE) IAW MFG REPORT 340SAS015425 DATED 7/07/2008. REPAIRED CHAFED AREAS ON RT FUSELAGE FRAME AT STA 630.112, SL 1614 TO 1620 IAW EO NR S53757.

Part: POWER SUPPLY — NO TEST (EMERGENCY LIGHTS) · airframe 24,474 hrs · 27,182 cycles

EMERGENCY POWER SUPPLY 23LN DID NOT PASS CAPACITY TEST. REPLACED POWER SUPPLY 23LN PN 3301-51, SN OFF 2268 SN ON 2006 IAW AMM 33-50-55. OPS CHECKS GOOD.

Part: DISPLAY — ODOR (COCKPIT) · airframe 22,893 hrs · 25,393 cycles

FO'S EADI SCREEN DISTORTED FOLLOWED BY BURNING ELECTRICAL ODOR. EADI RECOVERED TO NORM AND ODOR WENT AWAY ABOUT 5 MINUTES LATER. REMOVED AND REPLACED FO'S EADI, (ELECTRONIC FLT DISPLAY) IAW AMM 34-24-10-04 P/N OFF/ON 622-6342-022 S/N OFF 654 S/N ON 5340 CHECKS GOOD.

Part: PANEL — DELAMINATED (FUSELAGE) · airframe 21,214 hrs · 23,556 cycles

RT FUSELAGE PANEL 151CB DAMAGED COMPOSITE DELAMINATED. RT FUSELAGE PANEL 151CB REPAIRED IAW S51031 PAINTED IAW EO S51031 AND SRM 51-20-43.

Part: SKIN — CANNING (BS 126) · airframe 21,214 hrs · 23,556 cycles

OIL CANNING ON LT COCKPIT SKIN AT STA 126 AND WL 73 BETWEEN RANDOM LATCHES. HFEC C/O NO CRACK. REPAIR DOUBLER INSTALLED ON LT COCKPIT SKIN AT STA 126 AND WL 73 BETWEEN RADOME LATCHES AS PER EO S53212 (ALUMINUM SHEET 2024T3 3.040 PO NR 12133 NAS1097AD6-6 PO NR 4292.

Part: SKIN — GOUGED (EMERGENCY EXIT) · airframe 21,214 hrs · 23,556 cycles

GOUGE RT EMERGENCY EXIT SKIN AT 8 INCH AFT OF FWD EDGE AND 2.4 INCH ABOVE LOWER EDGE. EMERGENCY EXIT DOOR SKIN DAMAGE AT 8 INCH AFT OF FWD EDGE AND 2.4 INCH ABOVE LOWER EDGE REPAIRED IAW EO S52028. UT DISBOND DONE IAW EO52028 NO DISBOND W/O 47152(1243).

Part: FRAME — BENT (BS 710) · airframe 21,214 hrs · 23,556 cycles

FRAME BOTTOM IN CARGO AT STA 710 FOUND BENT ON TOP. FRAME (BOTTOM) IN CARGO AT STA 710 REPAIRED AS PER DRM 53-70-30 AND INSTALLED WITH SOLID RIVETS AS PER SRM 51-40-21 AND EO S53560 LPI INSPECTION DONE EO S53560 AND NO DEFECT FOUND 1132.

Part: BULKHEAD — CRACKED (BS 733) · airframe 21,214 hrs · 23,556 cycles

RT UPPER AFT BULKHEAD AT STA 733 CRACK FOUND. RT UPPER AFT BULKHEAD AT STA 733 REPAIRED IAW EO S53561 LPI INSPECTION DONE PER EO S53561 AND NO DEFECTS FOUND YG 1132.

Part: SKIN — DENTED (RT TE FLAP) · airframe 21,214 hrs · 23,556 cycles

DENT ON RT FLAP INNER SKIN AT WS159 AND 4 INCH AFT OF FRONT SPAR DEPTH .048 INCH LENGTH 1 INCH. RT FLAP INNER SKIN WS 159 AND 4 INCH AFT FRONT SPAR .048 INCH DEPTH REPAIRED IAW EOS57060.

Part: SEAT TRACK — CORRODED (BS 288-363) · airframe 21,214 hrs · 23,556 cycles

SEAT TRACK CORRODED STA 288 TO 363 BL 0. SEAT TRACK STA 288 -363 BL 0 REPLACED AS PER EO 53060.

Part: SEAT TRACK — CORRODED (BS 630-686) · airframe 21,214 hrs · 23,556 cycles

LT INBOARD SEAT TRACK FOUND CORRODED ON TOP FROM STA 630-686. LT INBOARD SEAT TRACK REMOVED AND REPLACED WITH NEW PART AS PER SRM 51-40-21 AND E/O S53060 PART NUMBER B53004-1.

Part: SEAT TRACK — CORRODED (BS 288-363) · airframe 21,214 hrs · 23,556 cycles

SEAT TRACK STA 288 TO 363 BL 18.3 CORRODED. SEAT TRACK STA 288 TO 363 BL 18.3 REPLACED AS PER EO S533060.

Part: ANGLE — CHAFED (BS 535) · airframe 21,214 hrs · 23,556 cycles

DURING CHECK, TWO LT CABIN FRAME INNER FLANGE REINFORCEMENT ANGLES WERE FOUND CHAFED STA 363, 0.20 INCH BY 0.15 INCH BY 0.010 INCH DEEP, STA 535, 0.10 INCH BY 0.20 INCH BY 0.015 INCH DEEP. CHAFE DAMAGE IS BETWEEN STRINGERS SL 1505 AND 1506. CHAFING IS SIMILAR TO, BUT LESS EXTENSIVE THAN DAMAGE REPAIRED IAW SAAB REPAIR STATEMENT 340SD014672 PARA 5 DATED 4/05/08 (AC 421). REPAIRED IN ACCORDANCE WITH THIS EO NR S53559.

Part: SKIN — DAMAGED (TE FLAP) · airframe 21,214 hrs · 23,556 cycles

LT FLAP DAMAGE AT 2 PLACES AT NACELLE FAIRING AREA UPPER AND LOWER SKIN. LT FLAP AT NACELLE FAIRING AREA UPPER AND LOWER SKIN REPAIRED IAW EO S51031: COLD BOND (WET LAYUP) REPAIR IN ACCORDANCE WITH SAAB SRM 51-70-50.

Part: TAB — DAMAGED (LT ELEVATOR) · airframe 21,214 hrs · 23,556 cycles

LT ELEVATOR TAB T/E DAMAGED 8 INCH FROM INBOARD ENGINE. LT ELEVATOR TT T/E INBOARD REPAIRED WITHIN LIMITS OF SRM 51-70-51 AND REPAIRED IAW EO S51029 ELEVATOR STATIC BALANCE C/OUT AS PER 51-60-00.

Part: SEAT TRACK — CORRODED (BS 630) · airframe 21,203 hrs · 23,540 cycles

CORROSION FOUND ON CENTER SEAT TRACK 4H SIDE ON ANGLE REPAIR AT STA 630. ON CENTER SEAT TRACK LT ANGLE REPAIR REPLACED IAW EO S53079.

Part: FRAME — CORRODED (BS 294) · airframe 21,203 hrs · 23,540 cycles

AT STA 294.0 ON BOTTOM FRAME UPPER FLANGE CORRODED. AT STA 294-0 ON BOTTOM FRAME UPPER FRAME UPPER FLANGE REPAIRED IAW EO NR S53108.

Part: LANDING GEAR — UNKNOWN (MAINS) · airframe 18,507 hrs · 20,382 cycles

CREW REPORTED NO THREE GREEN DOWN AND LOCKED LIGHTS WHEN GEAR SELECTED AND IN TRANSIT LIGHT REMAINED ILLUMINATED. FOLLOWED QRH AND PULLED EMERGENCY GEAR HANDLE RELEASE, GEAR SHOWED 3 GREEN. AFTER PULLING THE EMERGENCY HANDLE AND PUMPING FOR ABOUT 10 SECONDS THE GEAR LOCKED DOWN. HYDRAULIC PRESSURE WAS NORMAL. REPLACED LANDING GEAR CONTROL VALVE IAW JOBCARD 3230-301. PN ON AND OFF HP848430-721 SN ON 2080 SN OFF 2107. REPLACED LEFT EXPLOSIVE SEPARATION BOLTS AND RIGHT EXPLOSIVE SEPARATION BOLTS.

Part: BATTERY PACK — NO TEST (EMERGENCY LIGHT) · airframe 18,426 hrs · 20,296 cycles

FAILED CAP CHECK PER BFGOODRICH AEROSPACE CMMWO 417868. REPLACED BATTERY PACK.

Part: WARNING SYSTEM — MALFUNCTIONED (ANTI-ICE SYSTEM) · airframe 18,097 hrs · 19,964 cycles

LEFT ENGINE ANTI-ICE INTAKE ILLUMINATED INFLIGHT AFTER TAKEOFF. THE QRH WAS COMPLETED. THE LIGHT CYCLED ON AND OFF APPROXIMATELY EVERY 5 SECONDS OR SO. THE FLIGHT CREW RETURNED TO DTW WITHOUT FURTHER INCIDENT. RAN LT ENGINE WITH INTAKE HEAT ON FOR 30 MINUTES, COULD NOT DUPLICATE THE PROBLEM. AS PRECAUTION, REPLACED LT DE-ICE MODULE CONTROL WITH SERVICEABLE UNIT, S/N OFF A00171, S/N ON A00191, P/N ON 44730-501 PN OFF 44730-1.

Part: VALVE — FAILED (NR 1 ENGINE) · airframe 18,046 hrs · 19,916 cycles

FLIGHT 3076 RETURNED TO DTW DUE TO A FAILURE OF ENGINE NR 1 AIR VALVE. THE FLIGHT LANDED WITHOUT FURTHER INCIDENT. REPLACED THE AIR VALVE.

Part: WIRE HARNESS — DAMAGED (NLG) · airframe 17,516 hrs · 19,274 cycles

NOSE GEAR GREEN LIGHT INTERMITTENT AFTER EXTENSION. SUSPECT A LOOSE CABLE TO NOSE WHEEL DOWN INDICATOR. LIGHT ASSEMBLY GOES ON AND OFF ON IT'S OWN. REPLACED NOSE DOWN LOCK HARNESS ASSEMBLY PN AIR130900. OPS CHECK GOOD.

Part: ACM — MALFUNCTIONED (LEFT) · airframe 17,375 hrs · 19,114 cycles

LEFT DUCT TEMP 70 DEGREES. PERFORMED QRH. TEMP NOT CONTROLLING IN AUTO AND MANUAL BLEED. CLOSED LEFT DUCT, STAYED AT 40 DEGREES. REPLACED ACM PN 776910-6, SN OFF 9710053, SN ON 850357 IAW JC 215181. LT BLEED AIR SYSTEM OPS CHECK GOOD.

Part: HYDRAULIC SYSTEM — UNKNOWN · airframe 17,369 hrs · 19,105 cycles

DURING CRUISE HYD CAUTION LIGHT ILLUMINATED BOTH MAIN AND EMERGENCY ACCUMULATORS LOW, BELOW RED LINE. PERFORMED MEMORY ITEMS & QRH, DIVERTED. AFTER LANDING SELECTED HYD PUMP SWITCH TO OVERRIDE. MAIN & EMERGENCY ACCUMULATORS RETURNED TO NORMAL AND HYD QUANTITY DIDN'T DECREASE. ACFT TAXIED NORMALLY. INSPECTED ACFT AND FOUND SAFE FOR 1 FERRY FLIGHT FROM FOD TO MSP WITH GEARDOWN FOR REPAIR AND TROUBLESHOOTING ON HYD SYSTEM AND MLG EXPLOSIVE BOLTS. REPLACED EXPLOSIVE BOLTS, HYD PRESSURE MANIFOLD, P/N 1M1006-1, S/N OFF 480, S/N ON 499. REPLACED CONTROL HANDLE P/N D494-10-001, S/N OFF 646/09-97, S/N ON 095/07-85. REPLACED PACKING & SWAPPED DRAIN BUTTON WITH EMERGENCY & MAIN. ALL CHECKS GOOD.

Part: PANEL — DENTED (HORIZONTAL STAB) · airframe 21,624 hrs · 23,402 cycles

DURING INSPECTION OF THE LEFT HORIZONTAL STAB FOR OTHER MAINTENANCE NOTED TWO DENTS ON THE TOP SKIN. ONE DENT LOCATION WAS 10 INCHES FORWARD OF THE AFT SPAR, 4 INCHES OUTBOARD OF STATION 51.92. DENT DIMENSIONS WERE 1.25 INCHES BY 1.25 INCHES AND .038 INCHES DEEP. SECOND DENT LOCATION WAS 3 INCHES OUTBOARD OF STATION 51.92. DENT DIMENSIONS WERE 12 INCHES LONG AND 1.781 INCHES WIDE WITH THE DEEPEST AREA BEING .083 INCHES DEEP. THE LEFT HORIZONTAL STAB UPPER SKIN PANEL PART NUMBER 7255150-521 WAS REPLACED. WORK WAS PERFORMED IAW SAAB EO NR S55074.

Part: BOLT — FAILED · airframe 16,945 hrs · 18,624 cycles

EN ROUTE TO CID, THE AIRCRAFT WAS 30 MILES SOUTH OF RST THE MAIN AND EMERGENCY ACCUMULATOR PRESSURE DROPPED BELOW THE YELLOW. HYDRAULIC QTY NORMAL. HYD PUMP TURNED OFF PER THE QRC. CREW FOLLOWED PROCEDURES. BOLTS WERE BLOWN. MADE AN UNSCHEDULED LANDING IN RST. DECLARED AN EMERGENCY. AFTER LANDING, THE HYD PUMP WAS TURNED TO OVERRIDE ALL PRESSURES RETURNED TO NORMAL. AIRCRAFT WAS TAXIED TO THE RT GATE. REMOVED AND REPLACED LT AND RT SEPARATION BOLTS.

Part: SMOKE DETECTOR — MALFUNCTIONED (LAVATORY) · airframe 14,284 hrs · 15,657 cycles

LAV SMOKE DETECTOR LIGHT ILLUMINATED ON TAKEOFF ROLL. RETURNED TO GATE. REPLACED DETECTOR

Part: COWL FLAP — MALFUNCTIONED (RT ENGINE) · airframe 13,802 hrs · 15,100 cycles

RT OB COWL OPENED IN FLIGHT. RT ENG COWL FLAP APPEARED TO BE OPEN DURING FLIGHT. AC RETURNED, MAINTENANCE REMOVED AND REPLACED RT ENG FWD COWL, GOOD TO GO.

Part: INDICATOR — FAILED (COCKPIT) · airframe 13,787 hrs · 15,088 cycles

AFTER DEPARTING FO SIDE DCP FLAG APPEARED ON BOTH EADI AND EHSI THEIR FUNCTIONS ON THE FO DCP DID NOT WORK AND THE OBS SELECTOR FOR THE FO DOES NOT WORK. AC RETURNED, MAINTENANCE REMOVED AND REPLACED DCP SN OFF 439 SN ON 260 PN-622-6320-002. PERFORMED FUNCTIONAL CHECK IAW MM34-24-25-2. OPS CHECKS GOOD. LEITNER 12689.

Part: SKIN — DENTED (FUSELAGE) · airframe 13,740 hrs · 15,037 cycles

DURING 6Y/4Y INSPECTION IN BNA, NOTED DENT 20 INCHES FWD OF PAX DOOR OPENING, LT FUSELAGE SKIN. REPAIRED IAW EO S53254. AIRCRAFT RETURNED TO SERVICE 10/5/04.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · airframe 13,740 hrs · 15,037 cycles

DURING 6Y/4Y INSPECTION IN BNA, NOTED FLOOR FLANGE AT STA 236.5 CORRODED. REPAIRED IAW SRM. AIRCRAFT RETURNED TO SERVICE 10/5/04.

Part: CARGO TRACK — CORRODED (FUSELAGE) · airframe 13,740 hrs · 15,037 cycles

DURING 6Y/4Y INSPECTION NOTED PREVIOUS REPAIR AT BL 0 STA 640-658.5 ON CARGO TRACKS CORRODED. MAINTENANCE REPAIRED IAW SRM.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · airframe 13,740 hrs · 15,037 cycles

DURING 6Y/4Y INSPECTION IN BNA, NOTED FLOOR FLANGE AT STA 294 BL 0 CORRODED. REPAIRED IAW SRM. AIRCRAFT RETURNED TO SERVICE 10/5/04.

Part: MANIFOLD — MALFUNCTIONED (HYD PRESSURE) · airframe 13,679 hrs · 14,970 cycles

HYDRAULIC CAUTION LIGHT ILLUMINATED AND PRESSURE INDICATED LOW AFTER EXTENDING LANDING GEAR. HYDRAULIC QUANTITY READS GOOD. FOLLOWING QRH PUMPING FLAPS DOWN. HAND PUMP WOULD NOT WORK, CAME IN WITH NO FLAPS. ON THE GROUND WENT TO OVERRIDE AND THE PRESSURE CAME UP AND STAYED. MAINTENANCE REPLACED MAIN HYDRAULIC RESEVOIR AND HYD PRESS MANIFOLD. EMERGENCY HAND PUMP OPERATES NORMALLY. EMERGENCY PRESSURE HOLDS NORMALLY.

Part: UPLOCK VALVE — MALFUNCTIONED (HYD SYSTEM) · airframe 13,454 hrs · 14,729 cycles

HYDRAULIC CAUTION LIGHT ILLUMINATED INFLIGHT. MAINTENANCE REPLACED UPLOCK VALVE, PRESSURE SWITCH AND LEFT AND RIGHT EXPOSIVE BOLTS.

Part: SUPPRESSOR — FAULTY (ELECTRICAL SYS)

ON APPROACH LEFT MAIN/ESS BUS BREAKER POPPING. MAINTENANCE REMOVED AND REPLACED TRANSIENT SUPPRESSOR 55PC PER MAINT ENGINEERING, ALL CHECKS GOOD AT THIS TIME.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 12,813 hrs · 14,033 cycles

DURING 4Y/2Y INSPECTION, CORROSION ON RIGHT I/B SEAT TRACK AT STA 294-295. REMOVED AND REPLACED CORRODED SECTION OF SEAT TRACK IAW MESABA EO S53060. A/C RELEASE DATE 4/9/04.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 12,813 hrs · 14,033 cycles

DURING 4Y/2Y INSPECTION, CORROSION ON LEFT I/B SEAT TRACK AT STA 294-295. REMOVED AND REPLACED LEFT I/B SEAT TRACK AT STA 288-324, IAW MESABA EO S53060. A/C RELEASE DATE 4/9/04.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · airframe 12,813 hrs · 14,033 cycles

DURING 4K INSPECTION, FS 272 FLOORBOARD SUPPORT ANGLE CORRODED. MX CUT OUT CORRODED AND DAMAGED AREA FABRICATED AND INSTALLED AN ANGLE REPAIR IAW MESABA EO S53102. A/C RELEASED 4/9/04.

Part: GENERATOR — FAILED (AC SYSTEM) · airframe 12,770 hrs · 13,995 cycles

LEFT INTAKE LIGHT CYCLED DURING FLIGHT. MX REPLACED AC GEN P/N 31342-001, S/N ON 92009. ALL CHECKS GOOD OF INTAKE HEAT AND GEN.

Part: ENGINE — MALFUNCTIONED (LEFT) · airframe 11,268 hrs · 12,348 cycles

INFLIGHT ON 2726, CREW REPORTED LT ENGINE CWP OIL PSI WENT TO 30 PSI. LIGHT ILLUMINATED. OBSERVED OIL PRESSURE (LT ENGINE ZERO, BELOW 30 PSI). RAN QRH- SHUTDOWN LT ENGINE. REST OF FLIGHT UNEVENTFUL/NO UNUSUAL ENGINE OPERATION ISSUES OBSERVED. MAINTENANCE TRANSFERRED TO 409 CARD NR 181763 LT ENGINE WAS REPLACED WITH SERVICEABLE ENGINE. REF WORK PACKAGE DATED 7/24/03 FOR COMPLETE DETAILS LT ENGINE IS SERVICEABLE. SHUTDOWN ENGINE.

Part: MODULE — FAILED (DEICE SYS)

DURING FLIGHT 3396, LT INTAKE HEAT INOP. LEFT ENGINE INTAKE WARNING LIGHT ON C/B POPPED. RESET TWO TIMES. AIR RETURN TO DTW. MAINTENANCE REMOVED AND REPLACED LT DE-ICE MODULE IAW SF340 AMM CHAPTER 30 SN/ON A00201, SN/OFF A00221 PN/ON & OFF 44730-501. PERFORMED REQUIRED GROUND OPS CHECKS RAN A/C FOR 30 MINUTES, NO FAULTS NOTED. ALL CHECKS GOOD AT THIS TIME.

Part: ACCUMULATOR — LEAKING (HYD SYSTEM)

EN ROUTE MSP-ATW HYDRAULIC CAUTION ON CWP CAME ON. QUANTITY IS NORMAL MAIN PRESSURE NORMAL. EMERGENCY PRESSURE WAS LOW. OB/IB BRAKE PRESSURE NORMAL. CYCLED HYDRAULIC SWITCH TO OVERRIDE PUMPED UP BOTH MAIN AND EMERGENCY, BUT EMERGENCY STARTED SLOW LEAK DOWN. A/C DIVERTED TO CWA. MAINTENANCE COULD NOT DUPLICATE DISCREPANCY, FOUND BOTH MAIN AND EMERGENCY QUANTITY NORMAL. NO LEAKAGE, HYDRAULIC SYSTEM OPS CHECKED GOOD ON THE GROUND AND ON THE JACKS IAW LC1 HYDRAULIC SYSTEM FUNCTION CHECKS. NO BLEED DOWN NOTED. MAINTENANCE REPLACED EMERGENCY HYDRAULIC ACCUMULATOR P/N 0884230011, S/N OFF 8423-10104, S/N ON 8423-7909 IAW SF340 AMM 29-10-20. ALL CHECKS GOOD.

Part: ENGINE — MALFUNCTIONED (RIGHT)

AFTER TAKEOFF OF FLIGHT NR 3172 PLN-DTW. RT ENGINE WAS SHUTDOWN BY THE CREW. AIR RETURN TO PLN. AFTER TAKEOFF ABOUT 500 FT AND AS CTOT WAS BEING DIALED DOWN, THE RT ENGINE STARTED MAKING POPPING NOISE. CREW SAW THAT THERE WAS STILL NG, BUT ITT WAS CLIMBING (AT LEAST 960 DEGREES) ALSO GOT MASTER WARNING LIGHT AND RT ENGINE AUTO COARSENED. CREW FOLLOWED QRH AND SHUTDOWN ENGINE. FDR WILL BE DOWNLOADED. SOUNDS LIKE A DECEL STALL. NO OTHER INFORMATION AT THIS TIME.

Part: CONTROL HANDLE — DEFECTIVE (COCKPIT)

DURING FLIGHT NR 2953, INTRANSIT LIGHT WON'T GO OUT, WITH LANDING GEAR HANDLE DOWN INTRANSIT LIGHT REMAINS ON. MAINTENANCE REPLACED GEAR HANDLE, OPS CHECK GOOD.

Part: ANTI-ICE VALVE — FAILED (RT ENGINE)

DURING CLIMB-OUT ON FLIGHT NR 3251, RT AIR VALVE LIGHT ILLUMINATED SEVERAL TIMES. AIR RETURN TO MSP. MAINTENANCE REMOVED AND REPLACED RT ANTI-ICE VALVE PER GE MM 75-00-00, OPS CHECK GOOD.

Part: PRESSURE SWITCH — FAILED (HYD SYSTEM)

DURING CLIMBOUT OF FLIGHT 2971 MAIN AND EMERGENCY HYDRAULIC PRESSURE LIGHT ILLUMINATED. FOLLOWED MEMORY ITEMS AND NOTED MAIN AND EMERGENCY ACCUMULATORS AROUND 200 PSI. THEREFORE, CREW PLACED MAIN GEAR HANDLE DOWN AND PULLED EMERGENCY GEAR HANDLE. AIR RETURN TO MSP. MAINTENANCE REPLACED HYDRAULIC PRESSURE SWITCH 9ML IAW 29-10-45-4. REPLACED RT & LT SEPARATION BOLTS, PERFORMED LANDING GEAR EXT AND RETRACTION TEST, PERFORMED HYDRAULIC BLEED DOWN CHECK. ALL CHECKS GOOD.

Part: WARNING LIGHT — ILLUMINATED (COCKPIT)

WHILE ON THE RAMP THE CARGO SMOKE INDICATOR ILLUMINATED THEN WENT OUT. CREW WENT THROUGH THE MEMORY ITEMS AND BLEW BOTH EXTINGUISHERS UPON VERIFICATION OF SMOKE BY A RAMP AGENT. MAINTENANCE REMOVED AND REPLACED BOTH FIRE BOTTLES. ALSO REPLACED FRONT SMOKE DETECTOR BECAUSE OF BROKEN SMOKE SCREEN COVER IAW 26-13-10.

Part: CONTROL VALVE — FAILED (T/E FLAP)

ON APPROACH OF FLIGHT 3309, FLAPS FAILED TO EXTEND. QRH'D FLAP 0 LANDING. LANDED LONG RUNWAY WITH MINIMUM BRAKING. MAINTENANCE REMOVED AND REPLACED FLAP CONTROL VALVE IAW SF340MM 27-51-15-2. ALL IS GOOD.

Part: ENGINE · airframe 7,608 hrs · 8,511 cycles

During Flight #3071, RH Engine failed 600'AGL after Takeoff. ITT exceeded 1000 degressC. ORH performed. No fire. Maintenance replaced RH Engine with serviceable unit. See Engine Change Task Cards for details. PN CT7-9B, SN/off GE-E785750, SN/on GE-E785181. All checks good.

Part: WARNING SYSTEM — MALFUNCTIONED (COCKPIT)

ON FLIGHT 3219 OUT OF SUX, LEFT TAILPIPE HOT LIGHT ILLUMINATED AFTER TAKEOFF. MEMORY ITEMS COMPLETED. QRH'D AND LIGHT WENT OUT ON RETURN TO SUX. AIR TURNBACK TO SUX. MAINTENANCE INSPECTED LT AFT TAILPIPE ASSEMBLY. NO DEFECT NOTED. CLEANED AND REST CANNON PLUGS AND PERFORMED GROUND RUN WITH NO DISCREPANCIES. AIRCRAFT OK FOR CONTINUED SERVICE.

Part: WIRE — CHAFED (ANTI-ICE SYS)

RT INTAKE CAUTION LIGHT CAME ON AFTER TURNING ON. LIGHT CYCLED ON/OFF EVERY FIVE SECONDS. TEST OK ON THE GROUND BEFORE TAKEOFF. AIR RETURN TO DTW. MAINTENANCE FOUND CHAFED WIRE ON THE RT INTAKE EXHAUST NOZZLE. REPAIRED WIRE, ALL CHECKS GOOD.

Part: DUCT — CRACKED (RT COWLING)

FOUND DURING C-CHECK, RT ENGINE COWL NACA DUCT 463BR IS CRACKED. REFER TO CELSIUS W/O 19120, TASK 4543 AND SAAB STATEMENT 340 SDS000575. MAINTENANCE REPAIRED DISCREPANCY IAW SAAB STATEMENT 340SDS000575. SEE IPW 12 FOR DETAIL.

Part: SPLICE — CORRODED (FLOOR PANEL)

FOUND DURING C-CHECK, FLOOR PANEL SPLICE FOR PANEL 122 EZ HAS CORROSION. REFER TO CELSIUS W/O 19120, TASK 1515. MAINTENANCE REMOVED CORROSION, REMAINING MATERIAL IS WITHIN LIMITS SRM 51-10-10. ALODINED, PRIMED, AND TOPCOATED SPLICE PLATE IAW SRM 51-20-42/43.

Part: SPLICE — CORRODED (FLOOR PANEL)

FOUND DURING C-CHECK, FLOOR PANEL SPLICE FOR PANEL 122DZ HAS CORROSION. REFER TO CELSIUS W/O 19120, TASK 1516. MAINTENANCE REMOVED CORROSION ON SPLICE PANEL. REMAINING MATERIAL WITHIN LIMITS. ALODINED, PRIMED AND TOPCOATED SPLICE PLATE.

Part: FLOORBOARD — CORRODED (CABIN)

FOUND DURING C-CHECK, FLOORBOARD FLANGE AT FS 258 IS CORRODED. REFER TO CELSIUS W/O 19120, TASK 1514. MAINTENANCE REMOVED CORROSION IAW SRM 51-70-40. REMAINING MATERIAL IS OUT OF LIMIT REF SRM 51-10-10. OUT OF LIMITS FLANGE REMOVED, NEW FLANGE FABRICATED, BLEND ALLOWANCES IAW SRM 51-20-20. INSTALLED NEW FABRICATED FLANGE REF SAAB SRM 51-40-21.

Part: DUCT — CRACKED (LT COWLING)

FOUND DURING C-CHECK, LT ENGINE COWL NACA DUCT 453 BR IS CRACKED. REFER TO CELSIUS W/O19120, TASK 4540. MAINTENANCE REMOVED 2 CRACKS LESS THAN .25 INCH MAT REMOVED FROM EACH. NO CRACKS NOTED, IAW FFVNDT006, PRIMED.

Part: SEAT TRACK — CORRODED (CABIN)

FOUND DURING C-CHECK, SEAT TRACK CORROSION AT BL 0 FROM FS 294 - FS 363. REFER TO CELSIUS W/0 19120, TASK 1508 AND SAAB STATEMENT 340 SDS000575. MAINTENANCE BLENDED REMOVED CORROSION ON SEAT TRACK IAW 51-70-40. REMAINING MATERIAL IS OUT OF LIMITS. REF SRM 51-10-10. DAMAGE IS ACCEPTED AS IS, REWORKED AREA IAW SAAB STATEMENT 340 SDS000575.

Part: SEAT TRACK — CORRODED (CABIN)

FOUND DURING C-CHECK, SEAT TRACK CORROSION AT BL 0 AT FS 640. REFER TO CELSIUS W/O 19120, TASK 1507 AND SAAB STATEMENT 340 SDS000575. MAINTENANCE REMOVED CORROSION FROM SEAT TRACK, TREATED WITH ALODINE 1200, REMAINING MATERIALS IS OUT OF LIMITS REF SRM 51-10-10. REPAIRED DAMAGE AT STA 640 IAW SAAB STATEMENT 340SDS000575.

Part: SEAT TRACK — CORRODED (CABIN)

FOUND DURING C-CHECK, SEAT TRACK CORROSION AT LBL 18.0 FROM FS 294 - FS 339. REFER TO CELSIUS W/O 19120, TASK 1509, AND SAAB STATEMENT 340SDS000575. MAINTENANCE BLENDED CORROSION ON SEAT TRACK IAW 51-70-40. REMAINING MATERIAL IS OUT OF LIMITS, INSTALLED SEAT TRACK AS PER PRINCIPLES OF SRM 53-70-60.

Part: DUCT — CRACKED (LT COWLING)

FOUND DURING C-CHECK, LT ENGINE COWL NACA DUCT 453AL IS CRACKED. REFER TO CELSIUS W/O 19120, TASK 4539. MAINTENANCE REMOVED CRACK LESS THAN .25 INCH MAT REMOVED IAW SRM 54-10-30. NO CRACKS NOTED IAW FFVNDT006. PRIMED IAW SRM 51-20-42.

Part: CONNECTOR — LOOSE (RT ENG INTAKE)

RIGHT INTAKE LIGHT ILLUMINATED APPROX EVERY 10 SECONDS WITH ENGINE ANTI ICE SELECTED ON. AIRCRAFT RETURNED TO MSP. MAINTENANCE VERIFIED HIGH RESISTANCE IN INTAKE HEAT CIRCUIT, FOUND CONNECTOR 161/162 UP LOOSE, TIGHTENED CONNECTOR. PERFORMED GROUND RUNS/ OPERATIONAL. OPS CHECK GOOD.

Part: BULB — FAILED (GEAR HANDLE)

LEFT AND RIGHT GEAR LIGHTS DIDN'T ILLUMINATE WITH GEAR DOWN, NO CONFIG WARNING. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE RELAMPED LEFT AND RIGHT MAIN LANDING GEAR DOWN AND LOCK LIGHTS. OPS CHECK GOOD.

Part: SWITCH — OUT OF ADJUST (LT MLG)

LANDING GEAR LIGHT IN HANDLE ON WHEN GEAR UP. MAINTENANCE CLEANED AND ADJUSTED LEFT MLG UPLOCK SWITCH. ALL CHECKS GOOD IAW SAAB 340 AMM CHAP 32.