N436XJ

Part: SPRING — DEFECTIVE (PAX STAIRS) · airframe 28,796 hrs · 32,205 cycles

REPORT: PASSENGER STAIRS WILL NOT RELEASE. REPLACED AIRSTAIR DOOR GAS SPRING, OPERATIONAL CHECK GOOD.

Part: UNKNOWN — MALFUNCTIONED (LANDING GEAR) · airframe 28,579 hrs · 31,298 cycles

FLIGHT: 4056 IAD/JST GEAR TRANSIT LIGHT ILLUMINATED IN CRUISE PROCEEDED TO JST, PUT GEAR DOWN WITH NO RESULTS RAN QRH CB H-7 TRIPPED RESET, GEAR THEN CAME DOWN. PERFORMED INSPECTION OF THE LANDING GEAR NO DEFECTS NOTED, PERFORMED GEAR SWING NO FAULT NOTED.

Part: UPLOCK SWITCH — OUT OF ADJUST (MLG) · airframe 28,162 hrs · 31,439 cycles

GEAR UNSAFE INDICATION AFTER DEPARTURE. ALL LDG GEAR LIGHTS EXTINGUISHED. ENNC COMPLETED. GEAR UNSAFE LIGHT EXTINGUISHED. FOUND LT & RT MLG UPLOCKS WERE PREVIOUSLY ADJUSTED TOO TIGHT. READJUSTED WITHIN LIMITS IAW AMM 32-32-00-05. PERFORMED ADJUSTMENT OF LT & RT MLG UPLOCK SWITCHES IAW AMM 32-61-15-02. FUNCTIONAL TEST OF EXTENSION/RETRACTION SYS GOOD IAW AMM 32-30-00-05.

Part: DOOR — OUT OF RIG (MLG) · airframe 28,161 hrs · 31,438 cycles

GEAR UNSAFE LIGHT WITH GEAR IN UP POSITION JUST AFTER TAKEOFF. EMER NON-NORMAL CHECKLIST COMPLETED. PERFORMED RIGGING OF UPLOCK AND RELEASE ON LT LANDING GEAR IAW AMM 32-32-00. PERFORMED FUNCTIONAL TEST OF EXTENSION RETRACTION SYS 32-30-00. FUNCTIONAL TEST GOOD. RIGGING OF THE LT GEAR DOORS GOOD IAW 32-12-15 OF AMM.

Part: CONTROL UNIT — MALFUNCTIONED (MLG) · airframe 28,148 hrs · 31,423 cycles

ON DEPARTURE, WE RECEIVED GEAR UNSAFE INDICATIONS WITH GEAR HANDLE IN THE UP POSITION AND HANDLE ILLUMINATED. RAN CHECK LIST ON BOTH OCCASIONS AND RECYCLED GEAR. LIGHT EXTINGUISHED. PERFORMED GEAR SWINGS. UNABLE TO DUPLICATE. R & R LANDING GEAR CONTROL UNIT PN ON/OFF D494-12-001 SN OFF 672/05-98 SN ON 603/04-96 IAW AMM 32-31-05. OPS CHECK IAW AMM 32-30-00.

Part: BATTERY PACK — NO TEST (EMERGENCY LIGHTS) · airframe 27,810 hrs · 30,994 cycles

20LN BATTERY PACK FAILED OPS TEST. REPLACED EMERGENCY POWER SUPPLY 20LN.

Part: LAMP — INOPERATIVE (EMERGENCY LIGHTS) · airframe 27,620 hrs · 30,768 cycles

F/A REPORTS EMERGENCY LIGHTING ARMED LIGHT ON PANEL OUT. RELAMPED.

Part: POWER SUPPLY — FAILED (EMERGENCY LIGHTS) · airframe 25,436 hrs · 28,166 cycles

EMERGENCY LIGHT POWER SUPPLY AT 21LN FAILED CHECK. REPLACED.

Part: OVERHEAT SENSOR — MALFUNCTIONED (TAILPIPE) · airframe 23,300 hrs · 25,634 cycles

TAIL PIPE HOT WARNING LIGHT ILLUMINATED IN FLIGHT, QRH COMPLETED. REMOVED AND REPLACED TAILPIPE OVERTEMP DETECTOR RDI CODE 30WG, P/N OFF/ON 17343-62-450 IAW AMM 26-12-05-04. OPS CHECK GOOD.

Part: OVERHEAT SENSOR — MALFUNCTIONED (RT ENGINE) · airframe 22,941 hrs · 25,265 cycles

CREW INITIATED A LOW ENERGY ABORT AFTER BOTH LEFT AND RIGHT TAIL PIPE HOT LIGHTS ILLUMINATED ON TAKEOFF. RESEALED LT AND RT TAIL PIPE HOT SENSORS AND HARNESS, OPS CHECK PER SAAB JC 2610-302.

Part: WIRE — DAMAGED (MLG) · airframe 22,790 hrs · 25,071 cycles

CREW DECLARED AN EMERGENCY WITH NO MAIN GEAR LIGHT AND INTRANSIT LIGHT REMAINED ON. RT MAIN LANDING GEAR DOWN GREEN INDICATION INOP. COMPLETED 409 CARD JC NR 201649. REPLACED LANDING GEAR CONTROL HANDLE. OPS CHECKED NO GOOD. REPAIRED WIRE DG604-22 IAW SAAB AMM CH 20. F/C OF GEAR SWINGS OK. ALL CHECKS GOOD, REF 409 CARDS 302068, 201649, 114135, 114136, 113656.

Part: STRUCTURE — DAMAGED (TE FLAPS) · airframe 21,474 hrs · 23,554 cycles

THE RT FLAP, P/N 7257800-574, S/N 1326, IS DAMAGED APPROXIMATELY 4.0" FROM THE AFT EDGE AND 2.6' FROM THE INBOARD END OF THE PART. THE DAMAGE HAS BEEN REPAIRED IAW MESABA EO NR S57060. REF: EAMS WORK ORDER 216293 TASK 6501.

Part: SWITCH — MALFUNCTIONED (BLEED AIR SYSTEM) · airframe 20,427 hrs · 22,435 cycles

RT BLEED CLOSED IN BOTH AND AUTO MODE. DUCT OVERTEMP LIGHT ILLUMINATED. AFTER RESET, RT BLEED FAULT LIGHT ILLUMINATED. REPLACED RIGHT DUCT TEMP SWITCH, PN M2035-501. SN OFF: 134403. SN ON: 128598. AUTO AND MANUAL OPS CHECK GOOD, IAW SAAB AMM 21-61-20-04.

Part: TRIM TAB — DAMAGED (RT ELEVATOR) · airframe 19,663 hrs · 21,630 cycles

RT ELEVATOR TRIM TAB P/N 7294552-282, S/N 2355 IS DAMAGED ON THE TRAILING EDGE. THE DAMAGE HAS BEEN REPAIRED IAW MESABA EO#S51031. REF: EAMS WORK ORDER 214056 TASK 3501.

Part: SEAT TRACK — CORRODED (BS 294-319) · airframe 19,663 hrs · 21,630 cycles

DURING 4K CHECK IN BNA, FOUND SEAT TRACK AT LBL 18.3, BETWEEN FS 294 AND 319 IS CORRODED OUT OF LIMITS. THE DAMAGE HAS BEEN REPAIRED IAW MESABA EO NR S53342. REF: EAMS WORK ORDER 214056 TASK 1506.

Part: SEAT TRACK — CORRODED (BS 294-319) · airframe 19,663 hrs · 21,630 cycles

DURING 4 K CHECK IN BNA, FOUND SEAT TRACK AT BLO, BETWEEN FS294 AND 319 IS CORRODED OUT OF LIMITS. THE DAMAGE HAS BEEN REPAIRED IAW MESABA EO NR S53342.

Part: SKIN — DENTED (HORIZ STAB) · airframe 19,501 hrs · 21,456 cycles

HAIL CONTACT DAMAGE ON LEFT HORIZONTAL STABILIZER CAUSED 2 DENTS IN UPPER ALUMINUM SKIN AT HS51.92, DENT 67 .012 INCH DEEP AND 7/8 INCH DIAMETER LOCATED 33 INCHES FROM THE LEADING EDGE AND DENT 66 .017 INCH DEEP AND 7/8 INCH DIAMETER 34.5 INCHES FROM LEADING EDGE. DAMAGE REPAIRED WITH BONDED DOUBLER IAW SAAB SRM SECTION 55-10-10 AND MESABA EOS55017.

Part: POWER SUPPLY — FAILED (EMERGENCY LIGHTS) · airframe 19,364 hrs · 21,277 cycles

CABIN EMERGENCY LIGHT POWER SUPPLY 24LN FAILED TO REACH FULL CHARGE CAPACITY AFTER CAP TEST WAS PERFORMED IAW TASK CARD 335003. REPLACED CABIN EMERGENCY POWER SUPPLY.

Part: SKIN — DAMAGED (HORIZONTAL STAB) · airframe 19,296 hrs · 21,197 cycles

HAIL CONTACT DAMAGE ON RIGHT HORIZONTAL STABILIZER CAUSED DENT IN UPPER INBOARD SPAR ALUMINUM SKIN AT HS91.92, .022 INCH DEEP AND 1 INCH DIAMETER. LOCATED 31.5 INCHES FROM THE LEADING EDGE. DAMAGE REPAIRED WITH BONDED DOUBLER IN ACCORDANCE WITH SAAB SRM SECTION 55-10-10 AND MESABA EO#S55017.

Part: SKIN — DAMAGED (HORIZONTAL STAB) · airframe 19,296 hrs · 21,197 cycles

HAIL CONTACT DAMAGE ON RIGHT HORIZONTAL STABILIZER CAUSED DENT IN UPPER INBOARD SPAR ALUMINUM SKIN AT HS115.92, .005 INCH DEEP AND 1 INCH DIAMETER. LOCATED 17.5 INCHES FROM LEADING EDGE. DAMAGE REPAIRED WITH BONDED DOUBLER IN ACCORDANCE WITH SAAB SRM SECTION 55-10-10 AND MESABA EO#S55017.

Part: SKIN — DENTED (HORIZONTAL STAB) · airframe 19,296 hrs · 21,197 cycles

HAIL CONTACT DAMAGE ON RIGHT HORIZONTAL STABILIZER CAUSED DENT IN UPPER INBOARD SPAR ALUMINUM SKIN AT HS147.92, .026 INCH DEEP AND 1 INCH DIAMETER. LOCATED 19 INCHES FROM THE LEADING EDGE. DAMAGE REPAIRED WITH BONDED DOUBLER IAW SAAB SRM SECTION 55-10-10 AND MESABA ENGINEERING ORDER NR EOS55017.

Part: SKIN — DAMAGED (HORIZONTAL STAB) · airframe 19,296 hrs · 21,197 cycles

HAIL CONTACT ON RIGHT HORIZONTAL STABILIZER CAUSED DENT IN UPPER SPAR ALUMINUM SKIN AT HS59.92, .013 INCH DEEP AND 7/8 INCH DIAMETER. LOCATED 21.5 INCHES FROM THE LEADING EDGE. DAMAGE REPAIRED IAW SAAB SRM SECTION 55-10-10 AND MESABA EO#S55017.

Part: STARTER GEN — FAILED (DC) · airframe 19,296 hrs · 21,197 cycles

EN ROUTE TO BRD, THE CREW EXPERIENCED FAILURE OF A DC GENERATOR. IN COORDINATION WITH DISPATCH, THE FLIGHT DIVERTED TO MSP. REPLACED LEFT DC STARTER/GEN P/N 23080-031, S/N OFF 98149, S/N ON 96449. REPLACED LT DC GCU P/N ON/OFF 511539-007B, S/N OFF 97932, S/N ON 971100. OPS CHECK GOOD.

Part: RELAY — FAILED · airframe 19,158 hrs · 21,032 cycles

ON DEPARTURE CLIMB, THE CREW EXPERIECED FAILURE OF THE LEFT ADI (DIMMING). THIS OCCURRED WHEN THE HYDRAULIC PUMP WAS ACTIVATED. THE FLIGHT RETURNED TO DTW WITHOUT FURTHER INCIDENT. REMOVED AND REPLACED RELAY 9PC. ALL CHECKS GOOD.

Part: WARNING LIGHT — ILLUMINATED (RT TAIL PIPE) · airframe 17,029 hrs · 18,607 cycles

RIGHT HAND TAIL PIPE HOT LIGHT ILLUMINATED ON TAKEOFF. ABORTED TAKEOFF AT 110 KNOTS. RETURNED TO THE GATE WITHOUT INCIDENTS. NO FURTHER INFO AVAILABLE.

Part: ACTUATOR — MALFUNCTIONED (NLG STEERING) · airframe 16,888 hrs · 18,456 cycles

AFTER DEICING AND TAXING OUT TO TAKEOFF, THE NOSE WHEEL STEERING LOCKED UP. RETURNED TO GATE. REMOVED AND REPLACED NWS ACTUATOR.

Part: ENGINE — MAKING METAL (RIGHT) · airframe 16,851 hrs · 18,417 cycles

DURING CRUISE FLIGHT RT ENGINE CHIP DETECTOR LIGHT ILLUMINATED AND THEN IT CYCLED ON AND OFF. ANOTHER 6 TO 8 TIMES BEFORE LANDING IN ROA. REMOVED AND REPLACED RT ENGINE IAW 71000-301, S/N ON GE-E785738, S/N OFF GE-E285693 IAW 7100-301. ALL CHECKS GOOD.

Part: PUMP — FAILED (HYD SYSTEM)

AIRCRAFT LOST ALL HYDRAULIC PRESSURE ON TAXI OUT. MAINTENANCE REPLACED HYDRAULIC PUMP P/N ON OFF 40185-02 S/N ON AH-93358, S/N OFF NO71. SERVICED IAW 12-10-29. OPS CHECK GOOD.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 15,110 hrs · 16,549 cycles

DURING CAPACITY CHECK IN MSP, EMERGENCY POWER SUPPLY P/N 501-1712-02, S/N 1987 FAILED CAPACITY CHECK. MAINTENANCE REPLACED (2 EA) CELL PACKS P/N 549-1324-06 & UNIT PASSED CMM CHECKS. RETURNED TO SERVICE 5/2004.

Part: TRANSCEIVER — FAILED (WX RADAR) · airframe 15,022 hrs · 16,461 cycles

AFTER TAKEOFF THE WEATHER RADAR FAILED, WOULD NOT PAINT KNOWN WEATHER. AIR RETURN TO MEM. REMOVED & REPLACED WEATHER RADAR TRANSCEIVER/TRANSMITTER IAW SF340 AMM CHAP 34-42-05-4. ALL CHECKS GOOD AT THIS TIME. P/N ON&OFF 622-7337-001, S/N ON 4553, S/N OFF 4623.

Part: CONDITION LEVER — DAMAGED (COCKPIT) · airframe 14,998 hrs · 16,439 cycles

RT CONDITION LEVER WILL NOT CONTROL PROP INTO MIN MAX RANGE. PILOT REPORTED DIFFICULTY IN THE MIN/MAX RANGE. MAINTENANCE REMOVED AND REPLACED RT CONDITION AIRFRAME CABLE PN 82180 PERFORMED MASTER RIG TEST RAN ALL CHECKS GOOD.

Part: CONTROL UNIT — MALFUNCTIONED (MLG) · airframe 14,659 hrs · 16,036 cycles

LANDING GEAR TRANSIT LIGHT DOES NOT ILLUMINATE DURING GEAR RETRACTION. LAMP TESTS GOOD AND OPERATION NORMAL DURING GEAR EXTENSION. REMOVED AND REPLACED LANDING GEAR CONTROL UNIT PER SAAB MM 32-31-05-2, EXTENSION AND RETRACTION TEST GOOD PER SAAB MM 32-30-00-5.

Part: WEU — FAULTY (CENTRAL WARNING) · airframe 14,568 hrs · 15,925 cycles

DURING CLIMB, GOT A RT ENGINE FIRE ANNUNCIATOR FLICKERING AND A BITE LIGHT. AS PER MX DIRECTION, CYCLED CB'S E5, 6 AND L5. ALL LIGHTS WENT OUT WHEN CB'S WHERE PULLED BUT THE BITE LIGHT CAME BACK ON WHEN CB'S PUSHED IN. ON APPROACH THE BITE LIGHT THEN WENT OUT, NO OTHER ABNORMAL INDICATIONS. REPLACED WEU IAW AMM 31-50-05-4, OPS CHECK GOOD. P/N ON&OFF 006W500, S/N OFF 1596, S/N ON 1591. INSPECTED RIGHT FIRE WIRE, FOUND NO DISCREPANCIES.

Part: SHIELD — DENTED (FUSELAGE) · airframe 14,444 hrs · 15,783 cycles

DURING 4K INSPECTION IN LCQ, NUMEROUS DENTS ON LT FWD NR 3 ICE SHIELD. MAINTENANCE CUT OUT DAMAGED AREA, FABRICATED AND INSTALLED REPAIR PLATE IAW MESABA EO NR S53005 DATED 24 FEB 1999.

Part: SKIN — DENTED (FUSELAGE) · airframe 14,444 hrs · 15,783 cycles

DURING 4K INSPECTION IN LCQ, EXTERIOR FUSELAGE HAS DENTS AT FS 350. MAINTENANCE FABRICATED AND INSTALLED 2 EACH EXTERNAL DOUBLER REPAIRS IAW MESABA EO NR S53009 DATED 21 SEPT 2001.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 14,444 hrs · 15,783 cycles

DURING 4K INSPECTION IN LCQ, RT IB SEAT TRACK HAS HEAVY CORROSION. MAINTENANCE REMOVED AND REPLACED CORRODED SEAT TRACK IAW MESABA EO NR S53060 DATED 3 NOV 2003.

Part: SHIELD — DENTED (FUSELAGE) · airframe 14,444 hrs · 15,783 cycles

DURING 4K INSPECTION, AIRCRAFT HAS A DENT ON RT ICE GUARD 3RD SECTION FROM BOTTOM. MAINTENANCE FABRICATED AND INSTALLED A DOUBLER AND TRIPLER REPAIR IAW MESABA EO NR S53194, DATED 09 JAN 04.

Part: WARNING SYSTEM — MALFUNCTIONED (COCKPIT)

AFTER TAKEOFF ON FLIGHT NR 3153, CARGO WARNING LIGHT ILLUMINATED. FOLLOWED QRH, RETURNED TO MEM. PILOT REPORTED SMALL SPIKES IN PRESSURIZATION DIFFERENTIAL. AIR RETURN TO MEM. MAINTENANCE RAN A/C ON GROUND, PERFORMED MANUAL PRESSURIZATION CHECKS, NO SPIKES OR CARGO DOOR OPEN INDICATIONS NOTED DURING 15 MINUTES GROUND RUN. OP CHECK OF PRESSURIZATION GOOD INSPECTION OF CARGO DOOR AND SEAL FOR CONDITION AND SECURITY, GOOD. SUSPECT DEBRIS IN CARGO DOOR AREA. COULD NOT DUPLICATE.

Part: SEAT TRACK — CORRODED (FUSELAGE) · airframe 13,233 hrs · 14,579 cycles

LEFT CENTER AISLE SEAT TRACK LBL 18.3 FROM STA 297-319 HAS CORROSION. MAINTENANCE COMPLETED SPLICE REPAIR IAW EO S53060. REF 409 NR 192030 FOR FURTHER DETAIL. A/C RELEASE DATE 7/6/03.

Part: SKIN — DENTED (TAIL CONE) · airframe 13,233 hrs · 14,579 cycles

RIGHT FUSELAGE TAIL CONE UPPER SKIN HAS .070 INCH DENT STA 804.75, 1.5 INCH IN DIAMETER, 12.5 INCHES ABOVE WL113.8. MAINTENANCE REPAIRED DAMAGE DENT IAW EO S53165. REF TO 409 NR 192042 FOR FURTHER DETAIL. A/C RELEASE DATE 7/6/03.

Part: INDICATOR — MALFUNCTIONED (AIRSPEED)

DURING FLIGHT 3148, F/O'S AIRSPEED INDICATOR BEGAN INDICATING OVER 250 KNOTS, AND KEPT CLIMBING IN 16,000 FT. CAPTS AND STBY INDICATED 210 KNOTS. AIR RETURN TO MSP. MAINTENANCE DRAINED AND PURGED NR 2 PITOT SYSTEM WITH NITROGEN. CLEANED DEBRIS FROM NR 2 PITOT TUBE, DRAIN NR 2 PITOT/STATIC SYSTEM. OPS AND LEAK CHECKS GOOD. IAW SF340 MM CHAP 34, ALSO INSPECTED STBY AND NR 1 PITOT DRAINS FOR MOISTURE. NO DEFECTS NOTED.

Part: WIRE HARNESS — FAULTY (RT ENGINE)

DURING FLIGHT 3320, HAD A UNCOMMANDED AUTO COARSEN EVENT. EVENT OCCURRED DURING APPROACH TO CRW, AT 1,000 FT AGL. RT ENGINE AUTO COARSEN, ENGINE CONTINUED TO RUN, LANDED NORMALLY. MAINTENANCE BORESCOPED RT ENGINE, NO DEFECTS NOTED. REMOVED AND REPLACED RT PROP AND RT ENGINE HARNESS IAW TASK CARD 6110-303 AND GE SEI-576 CHAP 72. ALL OPERATIONAL CHECKS GOOD.

Part: PSU — MALFUNCTIONED (CABIN)

FLIGHT RETURNED TO DTW AFTER SMOKE WAS NOTED IN THE CABIN. REPLACED RT PSU.

Part: SWITCH — DEFECTIVE (DE-ICE SYS)

DURING FLIGHT 2836 TIMER LIGHT ILLUMINATES AFTER SECOND CYCLE OF STAB IN MANUAL MODE. AIR RETURN TO MSP. MAINTENANCE FOUND PSI SWITCH 62HP IN TAIL JUNK WOULD NOT CLOSE AT DECREASE PSI. REMOVED AND REPLACED PSI SWITCH. OPS CHECK GOOD PER MM 30-10-00.

Part: BRUSH BLOCK — BROKEN

Left Prop Anti-ice Heat Inop in norm and max. Air return to MSP. Maintenance found broken wire on brush block, crimped on new terminal end. Ops check good. IAW Saab MM 30-61-00

Part: INTAKE DUCT — DEFECTIVE

After departing DTW switched on Engine anti-ice after 4 minutes received RH Intake Caution light ran QRH, did not solve problem. Air return to DTW. Maintenance replaced RH Lower Intake Duct PN 24665-165, SN/off L290790, SN/on L169248 IAW AMM 30 Ops check good.

Part: CONTROL CABLE — CHAFED (RUDDER) · airframe 9,112 hrs · 10,166 cycles

FOUND DURING 4K-CHECK IN CWA, RT O/B CIRCUIT 1 RUDDER CABLE DUAL CHAFED. MAINTENANCE INSTALLED SERVICEABLE RT O/B CIRCUIT 1 RUDDER CABLE P/N 7227105-562 IAW SF340 AMM 27-21-25.

Part: SEAT TRACK · airframe 9,112 hrs · 10,166 cycles

Found during 4K-check, LH Center Aisle Seat Track LBL 18.3 has corrosion that is out of limits at approximately Sta 299. Maintenance c/w EO S53060 on Left Center Aisle Seat Track. From Fuselage Sta 297 to approximately Fuslage Sta 377.

Part: CONTROL CABLE — CHAFED (RUDDER) · airframe 9,112 hrs · 10,166 cycles

FOUND DURING 4K-CHECK IN CWA, RT I/B FWD FUSELAGE CIRCUIT 1 RUDDER CABLE CHAFED. MAINTENANCE REMOVED AND INSTALLED RT I/B FWD FUSELAGE CIRCUIT 1 DUAL RUDDER CABLE P/N 7227105-571 IAW SAAB AMM 27-21-25-4.

Part: CONTROL CABLE — CHAFED (RUDDER) · airframe 9,112 hrs · 10,166 cycles

FOUND DURING 4K-CHECK IN CWA, LT O/B FWD FUSELAGE CIRCUIT 1 DUAL RUDDER CABLE CHAFED. MAINTENANCE REMOVED AND INSTALLED LT O/B FWD FUSELAGE CIRCUIT 1 DUAL RUDDER CABLE P/N 7227105-562 IAW SAAB AMM 27-21-25-4.

Part: CONTROL CABLE — CHAFED (RUDDER) · airframe 9,112 hrs · 10,166 cycles

FOUND DURING 4K-CHECK IN CWA, LT I/B FWD FUSELAGE CIRCUIT 1 DUAL RUDDER CABLE CHAFED. MAINTENANCE REMOVED AND INSTALLED LT I/B FWD FUSELAGE CIRCUIT 1 DUAL RUDDER CABLE P/N 7227105-571 IAW SAAB AMM 27-21-25-4.

Part: CONTROL CABLE — CHAFED (RUDDER) · airframe 9,112 hrs · 10,166 cycles

FOUND DURING 4K-CHECK IN CWA, AFT FUSELAGE CIRCUIT 1 SINGLE LT RUDDER CABLE CHAFED. MAINTENANCE AND INSTALLED AFT FUSELAGE CIRCUIT 1 SINGLE LT RUDDER CABLE P/N 7227105-582 IAW SAAB AMM 27-21-25-4.

Part: CONTROL CABLE — CHAFED (AILERON) · airframe 9,112 hrs · 10,166 cycles

FOUND DURING 4K-CHECK IN CWA, RT O/B FWD AILERON CABLE CHAFED. MAINTENANCE REPLACED RT O/B FWD AILERON CABLE P/N 7227105-624, S/N PEG3SFEX, IAW SAAB AMM 27-11-25.

Part: CONTROL CABLE — CHAFED (AILERON) · airframe 9,112 hrs · 10,166 cycles

FOUND DURING 4K-CHECK IN CWA, LT O/B FWD FUSELAGE AILERON CABLE CHAFED. MAINTENANCE REPLACED LT O/B FWD FUSELAGE AILERON CABLE P/N 7227105-611, S/N PEG2SFEX IAW SF3 AMM 27-11-25.

Part: CONTROL CABLE — CHAFED (AILERON) · airframe 9,112 hrs · 10,166 cycles

FOUND DURING 4K-CHECK IN CWA, RT I/B FWD AILERON CABLE CHAFED. MAINTENANCE REPLACED RT I/B FWD AILERON CABLE P/N 7227105-614, S/N PEG2SFEX IAW SAAB AMM 27-11-25.

Part: CONTROL CABLE — CHAFED (AILERON) · airframe 9,112 hrs · 10,166 cycles

FOUND DURING 4K-CHECK IN CWA, LT I/B FWD AILERON CABLE CHAFED. MAINTENANCE REPLACED LT I/B FWD FUSELAGE AILERON CABLE P/N 7227105-623, S/N PEG2SFEX, IAW SF3 AMM 27-11-25.

Part: CONTROL CABLE — CHAFED (ELEVATOR) · airframe 9,112 hrs · 10,166 cycles

FOUND DURING 4K-CHECK IN CWA, RT O/B FWD FUSELAGE ELEVATOR CABLE CHAFED. MAINTENANCE INSTALLED RT O/B FWD ELEVATOR CABLE P/N 7227105-712, IAW SF3 AMM 27-31-15.

Part: CONTROL CABLE — CHAFED (ELEVATOR) · airframe 9,112 hrs · 10,166 cycles

FOUND DURING 4K-CHECK IN CWA, RT I/B FWD FUSELAGE ELEVATOR CABLE CHAFED. MAINTENANCE INSTALLED RT I/B FWD FUSELAGE ELEVATOR CABLE P/N 7227105-644, S/N PEG2SFEX IAW SF3 AMM 27-31-15.

Part: CONTROL CABLE — CHAFED (ELEVATOR) · airframe 9,112 hrs · 10,166 cycles

DURING 4K-CHECK IN CWA, LT O/B ELEVATOR CABLE IS CHAFED. MAINTENANCE REMOVED AND REPLACED LT O/B FWD FUSELAGE ELEVATOR CABLE P/N 7227105-712/711, SN/PEG2SFEX.

Part: CONTROL CABLE — CHAFED (ELEVATOR) · airframe 9,112 hrs · 10,166 cycles

FOUND DURING 4K-CHECK IN CWA, LT I/B ELEVATOR CABLE CHAFED. MAINTENANCE REPLACED LT I/B FWD FUSELAGE ELEVATOR CABLE P/N 7227105-644, S/N PEG2SFEX, IAW SAAB AMM 27-31-15-4.

Part: TIMER — DEFECTIVE (LT ENGINE)

FLIGHT 3112, EXPERIENCED LT ENGINE DDT SHIFT AND/OR RUNNING HOT. ON DEPARTURE ITT SHOWED A DIFFERENCE OF OVER 80 DEGREES BETWEEN LT AND RT ENGINES AND AN EXCESS OF 40 DEGREES. FROM THE LAST CHARTED DELTA DELTA T. AIR RETURN TO DTW. MAINTENANCE REMOVED AND REPLACED LT TIMER WITH SERVICEABLE UNIT. FOUND CRACK IN LT HP BLEED TUBE. REPLACED WITH SERVICEABLE UNIT IAW 340MM, ATA 72-00 AND CT7-9MM 72-00.

Part: GENERATOR — DEFECTIVE (RT ENGINE)

ON FLIGHT 3116, RIGHT DC GENERATOR FAILED IN FLIGHT, ACCOMPLISHED ORH, COULD NOT GET BACK ONLINE. AIR RETURN TO MSP. MAINTENANCE REPLACED RIGHT DC GENERATOR P/N 51539-007B, S/N ON 98079, S/N OFF 97814 IAW AMM 24-30-00. OPS CHECK GOOD.

Part: LIGHT — FAILED (PAX DOOR)

ON TAKEOFF FROM DTW AS SOON AS THE GEAR RETRACTED THE MAIN DOOR HANDLE LIGHT ILLUMINATED. RAN ORH CHECKLIST AND RETURNED TO DTW. MAINTENANCE CLEANED AND LUBED SWITCH.

Part: BLEED VALVE — FAILED (RT ENGINE)

RIGHT HP BLEED VALVE LIGHT ILLUMINATED AFTER TAKEOFF. QRH COMPLETED. AIR TURNBACK. MAINTENANCE REPLACED RIGHT HP BLEED VALVE (P/N 321935), OPS CHECK GOOD.

Part: GCU — FAILED (RIGHT)

RIGHT AC GEN LIGHT ON TRIED PL TO FLIGHT IDLE/ORH. MAINTENANCE REMOVED AND REPLACED RIGHT AC GEN, AND CLEANED CORROSION FROM GCU CANNON PLUG AND ALL CHECKS GOOD AT THIS TIME.

Part: GPWS — MALFUNCTIONED (COCKPIT)

ON SHORT FINAL GPWS INDICATED TOO LOW GEAR WHEN THE 3 GREEN GEAR LIGHTS INDICATED DOWN AND INTRANSIT LIGHT OUT. MAINTENANCE REPLACED GPWS COMPUTER, OPS CHECKS GOOD IAW SF340 MM CHAPTER 34.

Part: ALTIMETER — FAILED (RT COCKPIT)

DURING FLIGHT, THE NR 2 ALTIMETER STICKING FROM 840 FT TO 11000 FT, DURING RETURN TO MSP AND DESCENT, THE ALTIMETER APPEARS TO FUNCTIONED NORMALLY. AIRCRAFT RETURNED TO MSP. MAINTENANCE REPLACED NR 2 ALTIMETER. SYSTEM CHECKS GOOD IAW SF340 MM CHAP 34.

Part: LIGHT — INOPERATIVE (CABIN)

DURING INSPECTION FLOOR PROXIMITY LIGHTING BETWEEN SEATS 2A AND 3A INOP. MAINTENANCE REPLACED LIGHTING STRIP FOR FLOOR PROXIMITY LIGHTING BETWEEN SEATS 2A AND 3A. OPS CHECK GOOD.

Part: BULB — FAILED (CABIN)

EMERGENCY LIGHTS ARMED LIGHT ON FLIGHT ATTENDANT PANEL INOP. MAINTENANCE RELAMPED, OPS CHECK GOOD.