N8506C

Part: SELECTOR VALVE — MALFUNCTIONED (MLG) · airframe 27,441 hrs · 24,463 cycles

GEAR DISAGREE, DOWN, BOTH MAINS REMAINED UP, NOSE GEAR WAS DOWN. QRH REQUIRED GEAR SELECT UP WAIT THEN DOWN THAT DID NOT WORK HAD TO USE MANUAL EXTENSION IAW QRH. COMPLIED WITH PA 05-018 REV K SCENARIO, R & R MLG SELECTOR VLV IAW AMM 32-32-10. OPC & LEAK CHECKED GOOD.

Part: FLOORBEAM — DAMAGED (FUSELAGE) · corrosion level 2 · airframe 27,439 hrs · 24,462 cycles

MAINTENANCE FOUND AN ELONGATED HOLE IN THE CTR FLOOR BEAM AT FS 589.00 BETWEEN LBL 9 & RBL 9. THE HOLE MEASURES .355 INCHES X .270 INCHES. REPAIRED IAW EA CRJ253-02117 AS APPROVED BY CORRESPONDING DER SIGNED 8110-3.

Part: ATTACH ANGLE — CRACKED (FUSELAGE) · airframe 27,439 hrs · 24,462 cycles

PASSENGER DOOR LINTEL ATTACH ANGLES AT FS 280 CRACKED. REPAIRED IAW SRM 51-40-11 51-42-00 51-42-21.

Part: SKIN — CRACKED (LT WING) · airframe 27,439 hrs · 24,462 cycles

LEFT WING TE LOWER PLANK JUST AFT OF REAR SPAR AT APPROXIMATELY WS 147 IS CRACKED. REPAIRED IAW REO 601R-57-21-030, 601R-57-21-131 & 601R-57-21-470.

Part: SKIN — CORRODED (LT WING) · corrosion level 2 · airframe 27,439 hrs · 24,462 cycles

LEFT WING FUEL PANEL ACCESS 510AB HAS CORROSION AROUND PERIMETER AT 2 LOCATIONS IN NON-CRITICAL REGIONS 0.008 INCHES & 0.010 INCHES DEEP. REPAIRED IAW REO 601R-57-21-030.

Part: SKIN — CORRODED (LT WING) · corrosion level 2 · airframe 27,439 hrs · 24,462 cycles

LEFT WING FUEL ACCESS PANEL 540BB CORRODED AT NUMEROUS LOCATIONS IN THE NON-CRITICAL REGION 0.003 INCHES TO 0.005 INCHES DEEP. REPAIRED IAW REO 601R-57-21-030.

Part: BULKHEAD — CHAFED (FUSELAGE) · airframe 27,439 hrs · 24,462 cycles

AFT SIDE AFT PRESS BULKHEAD HAS BEEN CHAFED BY 10TH STAGE ISOLATION VLV. REPAIRED IAW REO 601R-52-61-1523.

Part: SKIN — CORRODED (RT WING) · corrosion level 2 · airframe 27,439 hrs · 24,462 cycles

RIGHT WING FUEL ACCESS PANEL 640BB CORRODED AT NUMEROUS LOCATIONS IN THE NON-CRITICAL REGION 0.003 INCHES TO 0.005 INCHES DEEP. REPAIRED IAW REO 601R-57-21-030.

Part: FLOOR SUPPORT — CORRODED (BS 500-508) · corrosion level 2 · airframe 27,439 hrs · 24,462 cycles

LEFT UPPER PRESSURE FLOOR SUPPORT BS 500-508, LBL 44 HAS CORROSION AROUND FASTENER HEADS 8.4" X1.6" X 0.003" DEEP. REPAIRED IAW REO 601R-53-41-666.

Part: BOLT — DIRTY (CABIN DOOR) · airframe 25,833 hrs · 22,912 cycles

MAIN CABIN DOOR BINDS AND DIFFICULT TO OPEN. CLEANED AND LUBED PASSENGER DOOR BOLTS. OPS CHECK GOOD IAW AMM 52-11-00. OK FOR SERVICE.

Part: ACTUATOR — MALFUNCTIONED (TE FLAP) · airframe 25,833 hrs · 22,912 cycles

ON FLIGHT 3814 (DLH TO MSP) RECEIVED FLAPS FAIL AT 20 AFTER TAKEOFF. CAPTAIN STATED THAT AFTER TAKEOFF WHEN HE WENT TO RETRACT THE FLAPS THEY DID NOT MOVE. AIRTURN BACK WAS PERFORMED BACK TO DLH AND THE AIRCRAFT LANDED SAFELY. PERFORMED TROUBLESHOOTING PER BOMBARDIER FIM REV 44 IAW AD2009-06-12 PARAGRAPH (H)(6)(I) AMOC DATED DECEMBER 07, 2012 AMD PA AD27-052J (DOCUMENT WORK PERFORMED) COMPLETED FLAP HEALTH CHECK AND FLAP LUBE IAW CHECK LIST PROVIDED. OPERATIONAL TEST OF FLAPS GOOD IAW 27-54-0-710-801. THIS CLEARS DM 01376 PLACARD REMOVED. REMOVED AND REPLACED LEFT OUTBOUND FLAP ACTUATOR. OPS CHECK NORMAL. "

Part: COALESCER BAG — FAILED · airframe 25,006 hrs · 22,086 cycles

CONDENSATION FROM AIR CONDITIONING CREATES A THICK FOG IN FLIGHT (FLIGHT 3906). THE FOG IS BAD ENOUGH TO OBSCURE THE FLIGHT INSTRUMENTS. FOG COMPLETELY OBSCURES THE CABIN SO THE FLIGHT ATTENDANT CANNOT SEE THE PASSENGERS. REMOVED AND REPLACED LEFT AND RIGHT WATER SEPARATOR SOCKS IAW AMM 21-51-13. OPS CHECKED NORMAL.

Part: BULKHEAD WEB — CHAFED (BS 280) · airframe 24,998 hrs · 22,070 cycles

MAINTENANCE FOUND THE FS 280 BULKHEAD WEB TO BE CHAFED 0.725 INCH BY 0.092 INCH BY 0.022 INCH DEEP AT LBL 13 AND WL 83.5. REPAIRED IAW EA CRJ253-00709 AND ASSOCIATED 8110-3.

Part: POWER LEVER — BINDING · airframe 24,940 hrs · 22,010 cycles

LEFT ENGINE THRUST LEVER BUCKLES. DOES NOT GO FULL/MAX POWER AT ALTITUDE. VERY UNEVEN THRUST ADVANCE AND RESEND BETWEEN LEVERS. COULD NOT DUPLICATE PROBLEM AT THIS TIME. OK FOR SERVICE, CREW NOTIFIED AND OK WITH IT.

Part: TRIM SWITCH — DIRTY (AILERON) · airframe 24,243 hrs · 21,357 cycles

AILERON TRIM DIFFICULT TO OPERATE TO THE RIGHT. CLEANED AILERON TRIM SWITCH IAW AMM 27-12-00. OPS CHECKS GOOD.

Part: POST — DAMAGED (FUSELAGE) · airframe 23,850 hrs · 20,963 cycles

INDICATION NOTED AT FS 409+128 VERTICAL POST AT RBL 18 WL 69.0 IN THE AFT RADIUS OF THE INBD CHANNEL APPROX .10 LONG AND 53 FULL SCREEN HEIGHT FAILED NDT. REPAIRED IAW SRM 51-42-06,51-40-11.

Part: BEAM — CRACKED (FUSELAGE) · airframe 23,850 hrs · 20,963 cycles

FS 280.00 TRASVERSE BEAM CRACKED IN WEB OUTBOARD OF LBL 9 AFT UPPER J ANGLE CRACKED OUTBOARD OF LBL 9 AND OUTBOARD RBL 9 CLIPS CRACKED ON INBOARD AND OUTBOARD SIDES OF LBL 9 AND RBL 9. REPAIRED IAW BOMBARDIER 601R-53-11-926 REV B AND BOMBARDIER SERVICE CORPORATION SR 601R-53-0110, AND EO CL600-2B19-53-L00762A.

Part: WARNING SYSTEM — ACTIVATED (COCKPIT) · airframe 22,769 hrs · 19,796 cycles

CREW REPORTED GEAR DISAGREE ON APPROACH, DECLARE EMERGENCY. STILL IN WORK FOR P/A COMPLIANCE.

Part: LANDING GEAR — SLOW (NLG) · airframe 22,384 hrs · 19,608 cycles

GEAR DISAGREE ON LANDING. NOSE LANDING GEAR DIDN'T EXTEND ON 1ST ATTEMPT. AFTER 3 MINUTES GEAR EXTENDED. CREW DECLARED AN EMERGENCY. CW PA 05-018A. NO DEFECTS NOTED.

Part: PAN — DAMAGED (FUSELAGE) · airframe 21,812 hrs · 19,101 cycles

THE GROUND POWER UNIT (GPU) ACCESS POWER RECEPTACLE WAS DAMAGED. THE DAMAGE CONSISTS OF THE POWER RECEPTACLE BEING PULLED FROM THE INSTALLED POSITION IN THE RECESSED PAN AREA. TEMPORARY REPAIR IAW STS EA 1-2010-207. REPEAT INSPECT DAILY, FLY ON FOR 10 DAYS WITHIN WHICH TIME REPLACE THE DAMAGED PN 600-33283-33, PAN SUPPORT MEMBER WITH A NEW, SERVICEABLE PART.

Part: BULKHEAD WEB — CRACKED · airframe 21,631 hrs · 18,910 cycles

FS 559.00 BULKHEAD WEB CRACK DETECTED DURING INSPECTION AND REQUIRES REPAIR. REPAIRED FS 559.00 BULKHEAD WEB IAW BOMBARDIER REO 601R-53-41-260 REV E AND BOMBARDIER REO 601R-53-41-609 REV B DEVIATION C.

Part: BPSU — MALFUNCTIONED (TE FLAP) · airframe 21,543 hrs · 18,827 cycles

FLAP FAILURE AT 13 DEGREES. PERFORMED TROUBLESHOOTING PER BOMBARDIER FIM REV 39 IAW AD 2009-06-12 PARAGRAPH (H) (6) (I), AMOC DATED MARCH 27, 2009, TR 27-012 PER AMOC DATED DEC 18, 2009 AND PA AD27-052G MEGGED RT WING HARNESS AND RT BPSU. REMOVED AND REPLACED RT BPSU. AML 507807 ITEM NR 2 T/S FLAP SYSTEM IAW FIM 27-50-00. FECU CODES STORED INDICATE R/H BPSU FAILURE. REMOVED AND REPLACED RT BPSU IAW AMM 27-51-10. RIGGED BOTH BPSU'S IAW AMM 27-51-10. MEGGED RT WING HARNESS. NO DEFECTS NOTED. FLAPS OPS CHECK GOOD. THIS CLEARS DM 30151.

Part: IDG — UNDERSERVICED (NR 2) · airframe 21,387 hrs · 18,693 cycles

TR GEN CAUTION AFTER T/O IDG 2 CAUTION ALSO INTERMITTENT. PERFORMED AIR RETURN. ELECTRICAL SYSTEM OPERATED NORMAL AT LOW THRUST SETTINGS. SERVICED RT ENG IDG IAW AMM 12-13-24. OP CHECK IAW AMM 24-11-01 GOOD. OK FOR SERVICE.

Part: THROTTLE CABLE — BROKEN (ZONE 400) · airframe 19,570 hrs · 16,941 cycles

FLIGHT 4107 MOT/MSP ATC REQUESTED A DESCENT TO BEGIN APPROACH INTO MSP, WHEN THROTTLES RETARDED THE LEFT WAS FOUND TO BE INOPERATIVE, NO ENGINE CHANGE WITH THROTTLE MOVEMENT. QRH FOLLOWED FOR "STUCK THROTTLE" AND ENGINE SHUTDOWN. EMERGENCY DECLARED AND LANDED WITHOUT INCIDENT.

Part: WIRE HARNESS — FAULTY (OVERHEAT SYS)

ON APPROACH, RECEIVED GEAR OVERHEAT WARNING WHEN GEAR EXTENDED, QRH FOLLOWED UNEVENTFUL LANDING. REMOVED AND REPLACED LT AND RT MLG BAY DETECTION LOOP HARNESS IAW AMM. (K)

Part: WIRE HARNESS — FAULTY (OVERHEAT SYS)

ON APPROACH, RECEIVED GEAR OVERHEAT WARNING WHEN GEAR EXTENDED. QRH FOLLOWED UNEVENTFUL LANDING. REMOVED AND REPLACED LT AND RT MLG BAY DETECTION LOOP HARNESS IAW AMM. (K)

Part: BPSU — MALFUNCTIONED (T/E FLAP)

ON APPROACH WHEN SELECTING FLAPS 8 RECEIVED FLAP FAIL WHEN FLAPS REACHED 8 QRH FOLLOWED EMERGENCY DECLARED WITH UNEVENTFUL LANDING. TROUBLESHOT FLAP SYSTEM PER BOMBARDIER FAULT ISOLATION MANUAL (FIM) R&R THE LT BPSU (BRAKE POSITION SENSING UNIT) IAW BOMBARDIER AMM.

Part: FCU — FAILED (TE FLAPS)

(REF NR: 05-097) FLAP FAILURE AT 30, QRH FOLLOWED UNEVENTFUL LANDING. REMOVED AND REPLACED FLAP ELECTRONIC UNIT (FECU) IAW AMM. (K)

Part: O-RING — CUT (OIL COOLER)

ENROUTE, IN CRUISE CONFIGURATION AT FL290, AT A POSITION 80 MILES NORTH, THE RT ENG OIL PRESSURE BEGAN TO FLUCTUATE BETWEEN 28 AND 42 PSI, FOLLOWED BY INTERMITTENT ILLUMINATION OF LOW OIL PRESSURE WARNING. FLIGHT CREW DECLARED EMERGENCY AND SHUT DOWN THE ENGINE USING APPROVED CHECKLIST. FLIGHT CREW CONTACTED ATC AND WAS APPROVED TO DIVERT. AN OTHERWISE UNEVENTFUL APPROACH AND LANDING WAS MADE. C/A: MAINT FOUND A LOSS OF ENG OIL CAUSED BY A CUT O-RING ON OIL COOLER INLET TUBE. TUBE HAD BEEN REMOVED TO FACILITATE OTHER MAINT ON A PREVIOUS MAINT HANGER VISIT, BUT HAD BEEN LEAK CHECKED FOLLOWING INSTALL OF TUBE. O-RING WAS REPLACED AND ENGINE SERVICED WITH OIL. THE A/C WAS RELEASED FOR SERVICE.