N521AE

Part: FLOOR SUPPORT — CORRODED (ZONE 200) · airframe 35,584 hrs · 46,650 cycles

RH FLOOR SILL AT FS280 HAS CORROSION ON UPPER AND LOWER SURFACE. CORRECTIVE ACTION: REPAIRED CORROSION ON R/H FLOOR SILL IAW BOMBARDIER REO 670-53-21-139 REV. B DATED 2017-04-03

Part: WEB — CORRODED (ZONE 200) · airframe 35,584 hrs · 46,650 cycles

WHILE REMOVING EXISTING L/H 280 LWR WEB REPAIR FOUND EXISTING STRUCTURE TO BE BEYOND REPAIR LIMITS. FULL R/H LWR WEB REPLACEMENT IS REQUIRED. FABRICATED, LOCATED, DRILLED AND INSTALLED LH LWR FS280 WEB AND DOUBLER IAW CRJ 700 SRM 53-11-10-201-004-A01.

Part: WEB — CORRODED (ZONE 200) · airframe 35,584 hrs · 46,650 cycles

WHILE REMOVING EXISTING R/H 280 LWR WEB REPAIR FOUND EXISTING STRUCTURE TO BE BEYOND REPAIR LIMITS. FULL R/H LWR WEB REPLACEMENT IS REQUIRED. REMOVED DAMAGED WEB AND PREVIOUS REPAIR IAW CRJ700 SRM 51-42-06-001-001-A01 AND COMPLIED WITH REPAIR #2 WEB REPLACEMENT IAW BOMBARDIER REO 670-53-11-052 REV A DATED NOV 18 2004

Part: WEB — CORRODED (ZONE 200) · airframe 35,584 hrs · 46,650 cycles

WHILE REMOVING EXISTING R/H 280 LWR WEB REPAIR FOUND EXISTING STRUCTURE TO BE BEYOND REPAIR LIMITS. FULL R/H LWR WEB REPLACEMENT IS REQUIRED. REMOVED DAMAGED WEB AND PREVIOUS REPAIR IAW CRJ700 SRM 51-42-06-001-001-A01 AND COMPLIED WITH REPAIR #2 WEB REPLACEMENT IAW BOMBARDIER REO 670-53-11-052 REV A.

Part: LIGHT — SMOKE (FO CONTROL PANEL) · airframe 46,593 hrs · 35,531 cycles

SMOKE FROM COLUMN ABOVE FO LIGHTING CONTROL PANEL AND STRONG ELECTRICAL SMELL. THE LOCATION OF THE SMOKE WAS IN THE COCKPIT, WHILE THE SOURCE WAS THE FO LIGHTING CONTROL PANEL. THE DURATION OF THE SMOKE EVENT WAS LESS THAN 10 MINUTES, AND NO MEDICAL ATTENTION WAS REQUIRED. /REMOVED AND REPLACED FO FLOODLIGHT RIGHT ABOVE FO LIGHTING PANEL IAW CRJ700 33-11-03-000/400-801-A01. OPS CHECK GOOD.

Part: WINDSHIELD — CRACKED (COCKPIT) · airframe 44,418 hrs · 33,709 cycles

AT CRUISE FL300 THE FO NOTICED THE WIND SHIELD CRACKING. WITHIN SECONDS THEY RECEIVED A RH WINDSHIELD HEAT CAUTION MESSAGE AND DECLARED AN EMERGENCY / REMOVED AND REPLACED RH WINDSHIELD IAW CRJ AMM 56-11-01-000/400-801-A01-PSA. OPS AND LEAK CHECK GOOD.

Part: SKIN — NONE (ZONE 100) · airframe 41,273 hrs · 30,888 cycles

WEAR ON SKIN BELOW DOUBLER AT POTABLE WATER FILL PANEL FS. 953 - FS. 969 BTW STRG. 23L AND STRG. 24L CORRECTIVE ACTION: WEAR ON SKIN BELOW DOUBLER AT POTABLE WATER FILL PANEL FS. 953 - FS. 969 BTW STRG. 23L AND STRG. 24L. WAS REPAIRED PER EA. 22-C7-53-0252 REV.A

Part: SKIN — CORRODED (ZONE 100) · airframe 41,273 hrs · 30,888 cycles

CORROSION ON SKIN REAR FUSELAGE FAIRING SEATLEMENT AREA BTW FS. 879 - 1015 (UNDER ACCESS 195AE, 195BB, 195DL, 196AR AND 196DR). CORRECTIVE ACTION:CORROSION ON SKIN REAR FUSELAGE FAIRING SEATLEMENT AREA BTW FS. 879 - 1015 (UNDER ACCESS 195AE, 195BB, 195DL, 196AR AND 196DR). WAS REPAIRED PER EA 22-C7-53-0308. REV.IR SECTIONIII, PERMANENT REPAIR, EA 22-C7-53-0321 REV.IR,SECTION III, PERMANENT REPAIR.AND EA 22-C7-53-0345 REV IR SECTION III-PERMANENT REPAIR

Part: SKIN — CORRODED (ZONE 100) · corrosion level 2 · airframe 41,273 hrs · 30,888 cycles

CORROSION ON EXTERNAL SKIN AT FWD FUSELAGE FAIRING SETTLEMENT AREA BTW. FS. 597 - FS. 693( UNDER ACCESS PANELS 191AB, 191BB, 192BB). CORRECTIVE ACTION:CORROSION ON EXTERNAL SKIN AT FWD FUSELAGE FAIRING SETTLEMENT AREA BTW. FS. 597 - FS. 693( UNDER ACCESS PANELS 191AB, 191BB, 192BB) WAS REPAIRED PER EA 22-C7-53-0304 REV.IR, SECTION III, PERMANENT REPAIR, EA 22-C7-53-0305 REV.IR. SECTION III, PERMANENT REPAIR, EA-22-C7-53-0306 REV.IR, SECTION III. PERMANENT REPAIR EA 22-C7-53-0335 REV.IR, SECTION III-PERMANENT REPAIR

Part: SKIN — DENTED (ZONE 100) · airframe 41,273 hrs · 30,888 cycles

DENT ON FUSELAGE SKIN BTW FS. 533.00 TO FS. 549 ON STRG. 15LH. CORRECTIVE ACTION:DENT ON FUSELAGE SKIN BTW FS. 533.00 TO FS. 549 ON STRG. 15LH WAS REPAIRED PER EA 22-C7-53-0182 REV.IR

Part: SKIN — WORN (ZONE 100) · airframe 41,273 hrs · 30,888 cycles

WEAR MARKS ON DOUBLER AND TRIPLER REPAIR FS. 969 -FS. 985 BETWEEN STRG. 26L AND 26R. CORRECTIVE ACTION:WEAR MARKS ON DOUBLER AND TRIPLER REPAIR FS. 969 -FS. 985 BETWEEN STRG. 26L AND 26R. WERE REPLACED PER EA 22-C7-53-0217 REV. F

Part: SKIN — CORRODED (ZONE 100) · corrosion level 2 · airframe 41,273 hrs · 30,888 cycles

CORROSION ON EXTERNAL FUSELAGE SKIN BETWEEN FS. 1015- FS. 1031 ON STRG.24R AROUND DRAIN. CORRECTIVE ACTION: CORROSION ON EXTERNAL FUSELAGE SKIN BETWEEN FS. 1015- FS. 1031 ON STRG. 24R AROUND DRAIN. WAR REPAIRED PER EA 22-C7-53-192 REV.IR

Part: FLOORBEAM — CORRODED (ZONE 100) · corrosion level 2 · airframe 41,273 hrs · 30,888 cycles

CORROSION ON UPPER FACE OF FLOOR SUPPORT BEAM AT LBL 9 BETWEEN FS. 581.00 AND FS. 597.00 AT PAX CABIN. CORRECTIVE ACTION: CORROSION ON UPPER FACE OF FLOOR SUPPORT BEAM AT LBL 9 BETWEEN FS. 581.00 AND FS. 597.00 AT PAX CABIN. WAS REPAIRED PER EA 22-C7-53-0224 REV.IR

Part: FLOORBEAM — CORRODED (ZONE 100) · corrosion level 2 · airframe 41,273 hrs · 30,888 cycles

CORROSION ON FLOOR BEAM FS 333 AT STRG. 17 RBL FLOOR STRUCTURE PAX CABIN. CORRECTIVE ACTION:CORROSION ON FLOOR BEAM FS 333 AT STRG. 17 RBL FLOOR STRUCTURE PAX CABIN.WAS REPAIRED PER EA 22-C7-53-0209 REV. IR

Part: ANGLE — CORRODED (BS 280 FLOORBEAM) · corrosion level 2 · airframe 39,637 hrs · 29,432 cycles

FS 280 TRANSVERSE BEAM, FWD COCKPIT FLOOR SUPPORT J ANGEL CORRODED. REMOVED AND REPLACED FS 280 J ANGLE PN CC670-33292-135 IAW CRJ 700 SRM 51-42-06-001-001-A01.

Part: CIRCUIT BREAKER — TRIPPED (AILERON TRIM) · airframe 39,279 hrs · 29,126 cycles

WHILE ENROUTE TO ELH, THE CA STATED THAT THE AILERON TRIM CIRCUIT BREAKER HAD POPPED. AFTER DISCUSSIONS WITH DISPATCH, THE CREW MADE THE DECISION TO RETURN TO FIELD FOR MAINTENANCE INSTEAD OF POSSIBLY STRANDING AN AIRCRAFT AT THE AIRPORT IN ELH. AN EMERGENCY WAS DECLARED FOR PRECAUTIONARY REASONS DUE TO THE POSSIBILITY OF FLIGHT CONTROL SURFACES HAVING ISSUES. VEHICLES WERE ROLLED IN CLT. FLIGHT LANDED SAFELY AND TAXIED TO THE GATE. RESET CB F3 ON CBP2 AILERON TRIM AND PERFORMED OPS CK OF THE AILERON TRIM SYSTEM IAW CRJ700 AMM 27-11-00-710-802. OPS CK GOOD. CBP2 F3 DID NOT POP AGAIN

Part: SMOKE WARNING — FALSE ACTIVATION (COCKPIT) · airframe 38,339 hrs · 28,257 cycles

AFT LAV SMOKE MESSAGE WITH PAX IN LAV. NO DISCERNABLE SMOKE. MX PERFORMED OPS CHECK OF AFT LAV SMOKE DETECTOR IAW CRJ 700 AMM. OPS CHECK GOOD. SUSPECT PAX WAS VAPING.

Part: WIRE — DAMAGED (EMERGENCY LIGHT) · airframe 37,894 hrs · 27,866 cycles

3RD CEILING EMERGENCY FLOODLIGHT INOP. RE-CRIMPED 3RD CEILING EMERGENCY FLOODLIGHT GROUND WIRE IAW CRJ-700 ESPM 20-16-00 AND CRJ-700 AMM 33-51-09-000/400-801 [OPERATIONAL CHECK GOOD]

Part: FIRE BOTTLE — FALSE INDICATION (NR 2 ENGINE) · airframe 37,438 hrs · 27,480 cycles

ENGINE BOTTLE 2 LOW CAUTION MSG IN FLIGHT. C/W QRH. LANDED AT NEAREST SUITABLE AIRPORT.MX REMOVED AND REPLACED RH ENGINE FIRE BOTTLE. OPS CHECK GOOD.

Part: CONNECTOR — DIRTY (FIRE BOTTLE) · airframe 37,433 hrs · 27,476 cycles

ENG BOTTLE 2 LO MESSAGE. APPROX. FL 340 WAS ON AND OFF FOR 4 MINUTES. RAN QRH AND LANDED AT NEAREST SUITABLE AIRPORT. REMOVED, CLEANED, & RE-SECURED CANNON PLUG ON #2 ENG FIRE BOTTLE IAW CRJ 700 AMM. OPS CHECK GOOD.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 36,579 hrs · 26,710 cycles

GEAR DISAGREE WARNING MSG ILLUMINATED ON T/O. DEFERRED LANDING GEAR RETRACTION SYSTEM. MAINTENANCE PREFORMED SEVERAL GEAR SWINGS AND COULD NOT DUPLICATE THE PROBLEM, OPS CHECK GOOD. MEL CLEARED

Part: RELAY — FAILED (CABIN) · airframe 35,820 hrs · 26,007 cycles

EMERGENCY LIGHTS STARTED CYCLING ON AND OFF DURING FLIGHT. REMOVED AND REPLACED RELAY K135 ON PCB5 IN JB11 IAW CRJ 700 ESPM 20-39-00 OPS CHECK GOOD

Part: UNKNOWN — MALFUNCTIONED (LT WING) · airframe 35,757 hrs · 25,946 cycles

ON APPROACH, CREW REPORTED LEFT WING DOWN. THEY TRIMMED THE A/C AND REPORTED THE CONDITION WORSENED AND THE AUTOPILOT DISCONNECTED. THEY DECLARED AN EMERGENCY AND LANDED IN CLT. UPON LANDING THE CREW REPORTED THEY HAD TO HOLD THE CONTROL WHEEL TO THE RIGHT TO FLY STRAIGHT. MX INSPECTED AND FOUND TRIM FULL LEFT WING DOWN. CENTERED TRIM PERFORMED OPS CHECK OF THE AILERON SYSTEM WITH ALL 3 HYD SYST. OPS CHECK GOOD. PERFORMED ROLL DISCONNECT OPS CHECK GOOD. PERFORMED SPOST 1 & 2 NO FAULTS FOUND. PERFORMED GVI AILERON CABLE RUNS. NO FAULTS FOUND. PERFORMED OPERATIONAL CHECK FLIGHT. NO DEFECTS NOTED.

Part: STRINGER — CORRODED (BS 280-333) · airframe 35,578 hrs · 25,788 cycles

IN FWD AVIONICS BAY, STRINGER 25 RH HAS AREAS OF CORROSION BETWEEN FS 280.00 AND FS295.-C/A-RAR'D STRINGER 25R FROM FS 280.00-FS333.00 IAW SRM 51-42-06 AND SRM 51-42-20.

Part: STRUCTURE — DENTED (FUSELAGE) · airframe 35,578 hrs · 25,788 cycles

DENT WITH CREASE FS1000-1015 STR 23L-24L, PERMANENT REPAIR. REPAIRED DENT IAW ERS-CR-53DF-3188 PTC AND ERS-CR-53MR-3331.

Part: BULKHEAD WEB — DAMAGED (BS 621) · airframe 35,578 hrs · 25,788 cycles

L/H COCKPIT BULKHEAD AFT LOWER WEB HAS OBLONGED RIVET HOLES. -C/A-REPAIRED L/H COCKPIT BULKHEAD LOWER WEB AT FS280.00 IAW SRM 53-11-10.

Part: FRAME — CORRODED (FUSELAGE) · airframe 35,578 hrs · 25,788 cycles

FS 319.00 FRAME IS CORRODED IN THE BELLY BETWEEN STRINGERS 26L AND 25R. INSTALLED NEW FRAME SECTION IAW SRM 51-42-06, AND 51-42-21.

Part: FLOORBEAM — CORRODED (BS 280) · airframe 35,578 hrs · 25,788 cycles

LT SIDE OF FLOORBEAM FS280.00 IS CORRODED BETWEEN BL0.00 AND LBL27.00 AND HAS A 1 INCH CRACK BETWEEN RIVETS ON THE WEB OUTBD OF LBL9.00. -C/A-RAR L/H SIDE OF FLOORBEAM FS280.00 IAW SRM 51-42-06 SRM 51-42-13.

Part: FLOORBEAM — CORRODED (BS 280) · airframe 35,578 hrs · 25,788 cycles

RT SIDE OF FLOORBEAM FS280.00 IS CORRODED BETWEEN BL0.00 AND THE OUTBD FLOOR SILL AND HAS A 1 INCH CRACK ON THE TOP FLANGE OUTBD OF RBL9.00. -C/A-RAR RT SIDE OF FLOORBEAM FS280.00 IAW SRM 51-42-06 AND SRM 51-42-13.

Part: FLOORBEAM — CRACKED (BS 280) · airframe 35,578 hrs · 25,788 cycles

"L" ANGLE ON THE FWD SIDE OF FLOORBEAM FS280.00 JUST OUTBD OF THE STICKPUSHER ACTUATOR HAS A 1 INCH CRACK. -C/A-FABRICATED AND INSTALLED NEW "L" ANGLE ON FWD SIDE OF FLOORBEAM ON RH SIDE OF FS280.00 IAW ETN-CR-53-043, AND GPM 17-13.

Part: FLOORBEAM — CRACKED (FUSELAGE) · airframe 35,578 hrs · 25,788 cycles

"L" ANGLE ON THE AFT SIDE OF FLOORBEAM FS280.00 AT RBL 9.00 HAS 1.5 INCH CRACK. REMOVED AND REPLACED "L" ANGLE ASSEMBLY ON THE AFT SIDE OF FLOORBEAM FS280.00 AT RBL 9.00 IAW SRM 51-42-06.

Part: STRINGER — CORRODED (FUSELAGE) · airframe 35,578 hrs · 25,788 cycles

IN FWD AVIONICS BAY, STRINGER 25R HAS AREAS OF CORROSION BETWEEN FS280-FS295. (AREAS MARKED IN RED GREASE PENCIL).-C/A-COMPLETE:RAR'D STR 25R FROM FS280-FS333 IAW SRM 51-42-06 AND SRM 51-42-20.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · airframe 35,578 hrs · 25,788 cycles

CPCP SSI 533009, LT OUTBD LONGITUDINAL FLOORBEAM AT FRAME FS1031.00 IS CORRODED. C/A-COMPLETE:REPAIRED FLOORBEAM AT FS1031.00 IAW ERS-CR-5300-3564.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 34,798 hrs · 25,111 cycles

EMERGENCY EXIT LIGHTS FOR LT OVER WING EXIT. TWO BULBS ARE BURNED OUT. REPLACED TWO BULBS FOR LT OVER WING EMERGENCY EXIT LIGHTS IN REFERENCE TO AMM 33-51-05. OPC GOOD.

Part: PUMP — FAILED (HYDRAULIC SYS) · airframe 34,736 hrs · 25,056 cycles

HYD 2 LOW PRESS IB FLT SPLRS IB SPOILERONS CAUTIONS MESSAGES DESCENDING THROUGH FL260. REMOVED AND REPLACED ENGINE DRIVEN PUMP (EDP) 2 IAW AMM 29-11-01. OPS CHECK GOOD. NO LEAKS NOTED AT THIS TIME PER FUEL AND OIL LEAK CHECK TASK 71-00-00-790-807.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 34,599 hrs · 24,941 cycles

DURING PS-1 CHECK FOUND CEILING EMERGENCY FLOOD LIGHT TO BE INOP AT ROW 16. R&R CEILING EMERGENCY FLOOD LIGHT BULB IAW AMM 33-51-09. OPS CHECK GOOD.

Part: WIRE — DAMAGED (AFT FLASHLIGHT) · airframe 34,396 hrs · 24,773 cycles

AFT FA FLASHLIGHT NOT CHARGING. REPAIRED THE FLASHLIGHT SPLICE CONNECTION IAW ESPM 20-44-09. OPS CHECKED GOOD.

Part: RELAY — FAILED (CABIN) · airframe 34,122 hrs · 24,550 cycles

EMER LTS CYCLING ON/OFF WHEN ARMED. FOUND RELAY K135 FAULTY USING WM 33-50-01. REMOVED AND REPLACED RELAY IAW MM 20-42-00 AND 24-06-11 OPS CKS OK.

Part: SWITCH — BROKEN (FLASHLIGHT ASSY) · airframe 33,920 hrs · 24,381 cycles

FORWARD FA FLASHLIGHT SWITCH BROKEN. R & R THE FLASHLIGHT AND CRADLE ASSY IAW AMM 25-61-02, OPS CHECKED GOOD.

Part: CHARGER — FAILED (EMERGENCY LIGHTS) · airframe 33,749 hrs · 24,235 cycles

EMERGENCY EXIT SIGN OVER AISLE, BACKSIDE WILL NOT ILLUMINATE, REMOVED AND REPLACED EPSU BATTERY AND CHARGER IAW CRJ-700 AMM 33-51-17. POSITION #3. OPC GOOD AT THIS TIME. EMERGENCY LIGHTING BATTERY P/N 2013-1ASMI S/N 68415

Part: SENSOR — FAILED (RT AOA) · airframe 33,511 hrs · 24,056 cycles

R AOA HEAT CAUTION MSG IN FLIGHT-C/A-FOUND RH AOA HEATER CB POPPED. PERFORMED TROUBLESHOOTING IAW FIM TASK 30-31-00-810-804. REMOVED AND REPLACED RH AOA VANE TRANSDUCER IAW CRJ AMM 27-35-05. OPS CHECK GOOD. INTERROGATED MDC, FOUND NO RELATED MESSAGES.

Part: WIRE HARNESS — DAMAGED (LT MLG) · airframe 33,036 hrs · 23,699 cycles

A/I ORD DUE BRAKE TEMP MSG MLG BAY OVERHEAT DETECTION SYS, MAIN LANDING GEAR OVERHEAT FAIL ON EICAS. DECLARED EMERGENCY. FLT CXLD. AFTER ORD DEPARTURE AND GEAR DOWN FOR MEL 26-19 UNABLE TO COMPLY WITH BREAK TEMPERATURE PORTION. BRAKES DID NOT COOL AT ALL. FOUND LT MLG BAY TEMPERATURE HARNESS OPENED AT CONNECTOR TC11P2 REF MEL 26-19. REPLACED LT MLG BAY TEMPERATURE SENSOR HARNESS IAW AMM 26-14-04. OPS CHECK GOOD. MEL ITEM RESTORED. REINSTALLED LT MLG WHEEL BIN IAW AMM 53-83-89-400-801.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 32,740 hrs · 23,431 cycles

PILOT REPORTED EMERGENCY LIGHTS WILL NOT STAY ON. REMOVED AND REPLACED ALL EMERGENCY LIGHT BATTERIES IAW AMM 33-51-17. OPS CHECKED GOOD NO FURTHER DEFECTS NOTED.

Part: CHARGER — FAILED (EMERGENCY LIGHTS) · airframe 32,269 hrs · 23,051 cycles

EMERGENCY LIGHTS ON IN FLIGHT. REMOVED AND REPLACED THE BATTERY AND CHARGER IAW AMM 33-51-17. OPS CHECKED GOOD. NO FURTHER DEFECTS NOTED.

Part: BATTERY PACK — FAILED (EMERGENCY LIGHT) · airframe 31,990 hrs · 22,825 cycles

RIGHT OVERWING EMERGENCY LIGHTS INOPERATIVE ON LOWER LIGHT PANEL. REMOVED AND REPLACED EMER LIGHT BATTERY PACK NR 4 IAW AMM 33-51-17 OPS CHK GOOD.

Part: CHARGER — FAILED (EMERGENCY LIGHT) · airframe 31,635 hrs · 22,528 cycles

BULKHEAD EMERGENCY LIGHT INOPERATIVE. REMOVED AND REPLACED THE BATTERY PACK AND BATTERY CHARGER1 IAW MM 33-51-17. OPS CHECKED GOOD.

Part: SKIN — CHAFED (RUDDER) · airframe 31,597 hrs · 22,500 cycles

RUDDER RIGHT LOWER LEADING EDGE IS CHAFED. REPAIRED IAW ESR-CR--5500-497.

Part: SKIN — CRACKED (PAX DOOR) · airframe 31,597 hrs · 22,500 cycles

PAX DOOR FWD SIDE SKIN HAS A CRACK BETWEEN THE BOTTOM STEP AND THE MID STEP. REPAIRED IAW SRM 52-00-01.

Part: ATTACH ANGLE — CRACKED (PAX DOOR) · airframe 31,597 hrs · 22,500 cycles

PAX DOOR AFT ATTACH ANGLE IS CRACKED. REPAIRED ATTACH ANGLE IAW SRM 52-11-04.

Part: FLOORBEAM — CRACKED (BS 280) · airframe 31,597 hrs · 22,500 cycles

RIGHT TEE BRACKET ON FLOORBEAM AT BS 280 IS CRACKED. R & R THE TEE BRACKET IAW SRM 51-42-06, AND 51-42-21

Part: FLOORBEAM — CRACKED (BS 280) · airframe 31,597 hrs · 22,500 cycles

LEFT TEE BRACKET ON FLOORBEAM AT BS 280 IS CRACKED. DRILLED AND INSTALLED A NEW BRACKETS IAW SRM 51-42-06.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 30,806 hrs · 21,860 cycles

OTBD SPOILERONS AND OTBD FLIGHT SPOILERS ON ED1 DURING DESCENT INTO DESTINATION. RESET IAW ETN-CR-27-093, OPS CHECK GOOD IAW AMM 27-61-05-740-801 AND AMM 27-62-01-710-801 SPOILERS OPS CHECK GOOD NO DEFECTS NOTED. OK FOR SERVICE MDC MESSAGE LT OTBD MFS/PCU PCU JAM.

Part: LIGHT — INOPERATIVE (EXIT SIGN) · airframe 30,201 hrs · 21,403 cycles

MULTIPLE BULBS BURNED OUT IN EXIT SIGNS, NEAR FLOOR ON ROW 13, BOTH SIDES. RELAMPED EXIT SIGNS AS REQUIRED IAW AMM 33-51-05. OPERATIONS CHECKED GOOD.

Part: TRANSCEIVER — MALFUNCTIONED (RADIO ALTIMETER) · airframe 29,675 hrs · 21,018 cycles

SLOW SPEED ABORT DUE TO GLD UNSAFE CAUTION MSG. R & R RA TRANSCEIVER IAW AMM 34-44-01. OPERATIONS CHECKED GOOD.

Part: FUSE — BLOWN (CABIN) · airframe 29,189 hrs · 20,626 cycles

EMERGENCY CEILING LIGHT NR 2 INOPERATIVE. REPLACED FUSE TO POWER SUPPLY IAW WM STANDARD PRACTICE 20-29-00. OPERATIONS CHECKED GOOD. MEL IS RESTORED.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 29,161 hrs · 20,605 cycles

CEILING LEVEL FLOOD LIGHT NR 2 INOPERATIVE. FLIGHT CREW PLACARDED CEILING LEVEL FLOOD LIGHT NR 2 IAW 33-34.

Part: PCU — FAILED (RT SPOILER) · airframe 28,967 hrs · 20,437 cycles

OUTBOARD SPOILERON, OTBD FH, SPOILER CAUTION MSG INFLIGHT. RT OTBD MOST SPOILER PANEL ON SYNOPTIC PAGE. TRANSFERRED TO NRWC 521-ORD-02033. R & R THE RT OTBD MULTI-FUNCTION SPOILER PCU IAW AMM 27-60-01. OPERATIONS CHECK & LEAK CHECKED GOOD.

Part: YAW DAMPER — FAILED (AUTOPILOT SYS) · airframe 28,572 hrs · 20,103 cycles

CLIMBING THROUGH FL200, PLANE MADE A YAW TO THE RIGHT SEVERAL TIMES. TURNED OFF THE AUTOPILOT & TRIMMED THE AIRCRAFT, THEN TURNED ON THE AUTOPILOT. AIRCRAFT BEGAN YAWING TO THE LEFT. CHECKED AOM-1 FOR GUIDANCE, THEN DECLARED THE EMERGENCY & RETURNED. YAWING DECREASED UNTIL ABOUT 300 AGL & KICKED A COUPLE OF TIMES & YD1 INOPERATIVE, STATUS MESSAGE POSTED. R & R NR 1 YAW DAMPER LINEAR ACTUATOR IAW AMM 22-22-01. OPERATIONS CHECKED GOOD, NO FAULTS FOUND.

Part: ACM — FAILED (AC BAY) · airframe 28,024 hrs · 19,669 cycles

SMOKE IN CABIN BY LAVATORY & COCKPIT DURING BOARDING PROCESS. TRANSFERRED TO NRWC 521-ORD-01905. REFERENCE NRWC 521-ORD-01905 & 521-ORD-01909 R&R 1 PACK ACM IAW AMM 21-51-08. OPERATIONS CHECKED LEAK, CHECKED GOOD NO FURTHER DISCREPANCIES AT THIS TIME. COMPLIED WITH FIM 21-22-00 SMOKE & OR ABNORMAL SMELL IN PAX CABIN. FLOW CHART RESULTS SHOW NO INDICATION OF ENG, APU, PACK OR OTHER SUGGESTED SOURCED ODORS AT TIME OF EVENT. ENGS NOT RUNNING AT TIME OF INCIDENT. NOTE NRWC 521-ORD-1905 TURNOVER FOR FURTHER INFORMATION.

Part: INDICATION SYS — FAILED (COCKPIT) · airframe 27,884 hrs · 19,559 cycles

ISI ATTITUDE FUNCTION FAILED. INTERMITTENT TUMBLING A/S OK, ALTITUDE OK. TROUBLE SHOT & FOUND ISI INDICATION UNIT INTERNAL MDC FAULT. R & R ISI INDICATOR UNIT IAW AMM 34-12-01. OPERATIONS CHECKED GOOD, NO LEAKS NOTED AT THIS TIME.

Part: CONNECTOR — SHORTED (FUEL SYSTEM) · airframe 26,638 hrs · 18,579 cycles

FUEL IMBALANCE CAUTION ON EICAS. LEVEL FLIGHT CROSS FLOW FUNCTIONED NORMALLY. 1 - 2 MIN LATER, WHILE IN A LT TURN BACK, MSG EXTINGUISHED & CROSS FLOW STARTED THE OTHER DIRECTION. READINGS NORMAL UNTIL APPROACH WHEN MSG REAPPEARED. BOTH TIMES FUEL APPEARED TO DISAPPEAR FROM RT TANK. THIS ACFT HAS BEEN INSPECTED TO THE EXTENT NECESSARY FOR A FCF & FOUND TO BE IN A SAFE CONDITION. UPON FURTHER TROUBLESHOOTING FOUND FUEL QTY CONNECTOR RWP1 SHORTING SEE LG PG 3676915 FOR R & R. REPLACED CONNECTOR RWP1 IAW ESPM 20-26-00. OPERATIONS TEST IF FUEL QTY GAUGING SYS GOOD. FCF FOUND SATISFACTORY.

Part: WARNING SYSTEM — INTERMITTENT (COCKPIT) · airframe 26,335 hrs · 18,361 cycles

LEFT EMER DOOR CAUTION MSG DISPLAYS INTERMITTENTLY WHILE TAXING. PERFORMED A DETAILED OPERATIONS TEST OF LT OVERWING EMER DOOR PROXY SWITCH. FOUND NO FAULTS. OPERATIONS CHECK IS GOOD. OPERATIONS CHECK IAW AMM 52-70-10.

Part: CRADLE — BROKEN (FLASHLIGHT) · airframe 26,044 hrs · 18,150 cycles

FLIGHT ATTENDANT NR 1 FLASHLIGHT CRADLE IS BROKEN. R & R FLIGHT ATTENDANT NR 1 FLASHLIGHT & CRADLE ASSEMBLY. OPERATIONS CHECKED GOOD IAW AMM 25-61-02 & 25-61-00. PART NUMBER INTER CHANGE ABILITY VERIFIED IAW ETN-CR-25-201.

Part: FLASHLIGHT — INOPERATIVE (CABIN) · airframe 25,944 hrs · 18,077 cycles

FWD FLIGHT ATTENDANT`S FLASHLIGHT INOPERATIVE. R & R FLIGHT ATTENDANT`S FLASHLIGHT ASSEMBLY IAW AMM 25-61-02.

Part: WARNING MESSAGE — FALSE ACTIVATION (PITCH FEEL) · airframe 25,939 hrs · 18,072 cycles

PITCH FEEL CAUTION MESSAGE ILLUMINATED DURING FLIGHT, DECLARED EMERGENCY, LANDED WITH FLAPS 20 DEGREES IAW AOM 1. CHECKED ACFT AND FOUND SATISFACTORY.

Part: STRINGER — CORRODED (FUSELAGE) · airframe 25,669 hrs · 17,894 cycles

STRINGER 26RT CORRODED BETWEEN FS 295.00 & FS 310.00. R & R STRINGER 26RT FROM 280.00 TO 333.00 IAW SRM 51-42-06.

Part: STRINGER — CORRODED (FUSELAGE) · airframe 25,669 hrs · 17,894 cycles

STRINGER 25RT CORRODED BETWEEN FS 295.00 & FS 310.00. REPLACED STRINGER 25RT BETWEEN FS 295.00 & FS 310.00 IAW SRM 51-42-06.

Part: INTERCOSTAL — CHAFED (FUSELAGE) · airframe 25,669 hrs · 17,894 cycles

INTERCOSTAL AT STRINGER 9RT BETWEEN FS 1144.00 & FS 1162.00 IS CHAFED IN MULTIPLE PLACES DUE TO BROKEN BRACKET FOR THE WATER SPRAY TUBING. COMPLETED INSTALLATION OF INTERCOSTAL AT STRINGER 9RT BETWEEN FS 1144.00 & FS 1162.00 IAW SRM 51-42-06.

Part: STRINGER — CORRODED (FUSELAGE) · airframe 25,669 hrs · 17,894 cycles

STRINGER 26RT CORRODED BETWEEN FRAMES AT FS 333.00 & FS 349.00. REPLACED STRINGER 26RT BETWEEN FRAMES FS 333.00 & FS 349.00 IAW SRM 51-42-06.

Part: CROSSBEAM — CORRODED (FUSELAGE) · airframe 25,669 hrs · 17,894 cycles

CROSSBEAM AT FS 280.00 IS CORRODED ON RT SIDE. REPLACED RT SIDE FS 280.00 IAW SRM 51-42-06.

Part: STRINGER — CORRODED (FUSELAGE) · airframe 25,669 hrs · 17,894 cycles

STRINGER 25RT CORRODED BETWEEN FRAMES AT FS 333.00 & FS 349.00. REPLACED STRINGER 25RT BETWEEN FS 333.00 & FS 349.00 IAW SRM 51-42-06.

Part: STRINGER — CORRODED (FUSELAGE) · airframe 25,669 hrs · 17,894 cycles

STRINGER 25LT CORRODED BETWEEN FRAMES FS 295.00 & FS 310.00. R & R STRINGER 25LT FROM FS 280.00 TO FS 333.00 IAW SRM 51-42-06 & SRM 51-42-21.

Part: STRINGER — CHAFED (FUSELAGE) · airframe 25,669 hrs · 17,894 cycles

STRINGER 9R IS CHAFED BETWEEN FS 1144.00 & 1162.00 JUST FWD OF THE BROKEN BRACKET. COMPLETE REPAIR OF STRINGER 7R IAW ERS-CR-53MR-361.

Part: WIRE — NOT SEATED (CABIN) · airframe 25,584 hrs · 17,840 cycles

CABIN CEILING EMERGENCY FLOOD LIGHT INOPERATIVE AT ROW 10. FLIGHT CREW PLACARDED IAW MEL 33-34 AUTH 030078-C & MOC 589353. RESEATED WIRE CONNECTION ON PLUG P358 AS REQUIRED ON OVERHEAD CEILING EMERGENCY LIGHT AT ROW 10. OPERATIONS CHECKED GOOD, MEL RESTORED.

Part: LAMP — INOPERATIVE (FLASHLIGHT) · airframe 24,470 hrs · 17,133 cycles

F/O FLASHLIGHT INOPERATIVE. R & R LAMP IAW CMM 25-60-02. OPS CHECKED GOOD.

Part: FLASHLIGHT ASSY — INOPERATIVE (COCKPIT) · airframe 24,323 hrs · 17,047 cycles

F/O FLASHLIGHT NOT SHOWING CHARGE LIGHT. R & R FLASHLIGHT IAW AMM 25-60-01. OPS CHECKED GOOD.

Part: FLASHLIGHT — UNSECURE (CABIN) · airframe 23,817 hrs · 16,688 cycles

CREW REPORTED NR 2 F/A FLASHLIGHT DID NOT INDICATE CHARGING. ACFT REMOVED FROM SERVICE. SECURED FLASHLIGHT IAW STANDARD PRACTICES NO FURTHER DEFECTS NOTED. OPS CHECKED GOOD. ACFT RETURNED TO SERVICE.

Part: INSULATION — OUT OF POSITION (AC BAY) · airframe 23,648 hrs · 16,585 cycles

THE CREW REPORTED THE MOMENT THE MLG LEFT THE GROUND, A VERY LOUD SQUEEL BEGAN, SWITCHED DISPLAY FAN TO ALT AND THE SQUEEL STOPPED. THE RT RUDDER WAS REQUIRING A LOT OF PRESSURE TO PRESS IT, FEELS VERY HEAVY, IT DOES NOT TRAVEL ALL THE WAY TO THE RT. THE ACFT WAS REMOVED FROM SERVICE. DEFFERED NR 1 DISPLAY COOLING FAN AFTER MEL 21-05, AUTH 060123M-C MAINT PROCEDURES COMPLIANT. COMPILED WITH INTERNAL INSP OF AFT ACCESSORY COMPARTMENT FOUND SMALL PIECE OF BLEED DUCT INSULATION IN AFT RUDDER CABLE PULLEY, REF IPC 27-21-00, FIG 1, SHEET 8 AG ITEM 65. REMOVED INSULATION IAW AMM 05-21-00 C/W OPS CHECK OF RUDDER SYS IAW AMM 27-21-00-710-801, SYS OPS CKS GOOD. THE ACFT WAS RETURNED TO SERVICE.

Part: BATTERY — DISCHARGED (CABIN) · airframe 23,448 hrs · 16,471 cycles

ON FLIGHT 4662 THE CREW REPORTED THE CABIN EMERGENCY LIGHTS WERE FOUND IN THE EMERGENCY POSITION. THE EMERGENCY LIGHTS WERE INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE NR 1, 2, 3 & 4 EMERGENCY BATTERY IAW CRJ MM 33-15-17. SERIAL NUMBERS: 110819, 76805, 85318 & 78157. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 23,128 hrs · 16,254 cycles

ON FLIGHT 3661 THE FLIGHT ATTENDANT REPORTED THE EMERGENCY FLOOD LIGHT IN REAR OF CABIN WAS BURNED OUT. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE BAD BULB WITH NEW UNIT IAW CRJ700 AMM 33-21-00. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: BATTERY — UNSERVICEABLE (EMERGENCY LIGHTS) · airframe 22,705 hrs · 16,004 cycles

DURING MAINTENANCE INSPECTION, NR 1 EMERGENCY BATTERY UNSERVICEABLE. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED THE NR 1 EMERGENCY BATTERY. AIRCRAFT RETURNED TO SERVICE.

Part: CRADLE — BROKEN (FWD FLASHLIGHT) · airframe 21,188 hrs · 15,060 cycles

FLIGHT 4624 CREW REPORTED THE FORWARD FLIGHT ATTENDANT’S FLASHLIGHT BRACKET IS BROKEN. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED THE FLASHLIGHT BRACKET IAW AMM 25-61-02. NO FURTHER DEFECTS NOTED. OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: LAMP — INOPERATIVE (EMERGENCY LIGHT) · airframe 20,663 hrs · 20,663 cycles

DURING B INSPECTION, FOUND THE EMERGENCY CEILING LAMP INOPERATIVE AROUND SEAT 11A. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED LAMP IAW AMM 33-51-09. OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: FLOORBEAM — CORRODED (BS 549) · airframe 20,619 hrs · 14,686 cycles

DURING "C" CHECK, FOUND RT CABIN FLOORBEAM GUSSET CORRODED AT FS 549. AIRCRAFT REMOVED FROM SERVICE. REPAIRED FLOORBEAM IAW SRM 53-00-41-201-001. AIRCRAFT RETURNED TO SERVICE.

Part: CROSSBEAM — CORRODED (FUSELAGE) · airframe 20,619 hrs · 14,686 cycles

DURING "C" CHECK FOUND CROSSBEAM FS 280.00 TO BE CORRODED. THE AIRCRAFT WAS REMOVED FROM SERVICE. INSTALLED NEW CROSSBEAM AT FS 280.00 IAW CRJ STRUCTUAL REPAIR MANUAL 51-42-06, 51-42-21,51-42-13 AND EO EO-CR-53MR-219. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: WEB — CORRODED (FUSELAGE) · airframe 20,619 hrs · 14,686 cycles

DURING "C" CHECK FOUND FS 280.00 RT LOWER WEB IS CORRODED. THE AIRCRAFT WAS REMOVED FROM SERVICE. REPAIRED RIGHT LOWER BULKHEAD WEB IAW CRJ STRUCTUAL REPAIR MANUAL 51-42-06 AND 51-42-13 AND EO CR-53MR-174. LEFT FOUND WITHIN LIMITS OF CRJ STRUCTUAL REPAIR MANUAL 53-11-10. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: STRUCTURE — CORRODED (LANDING GEAR) · airframe 20,676 hrs · 14,720 cycles

DURING MAINTENANCE INSPECTION AFTER REMOVING CORROSION AND PITTING FROM LEFT MAIN LANDING GEAR INBOARD AND OUTBOARD THRUST FACE UPPER SURFACE FOUND MORE THEN 20 PERCENT OF BOTH INBOARD AND OUTBOARD THRUST FACE UPPER SURFACE TO MEASURE BEYOND THE 13.570 INCH MEASUREMENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. REPAIR ON LEFT MLG AXLE INBOARD AND OUTBOARD THRUST FACE UPPER SURFACE. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: LIGHT — DAMAGED (CABIN) · airframe 20,676 hrs · 14,720 cycles

DURING MAINTENANCE INSPECTION, FOUND EMERGENCY DAMAGED. AIRCRAFT REMOVED FROM SERVICE. INSTALLED NEW EMERGENCY LIGHT IAW AMM 33-51-01. OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: ATTACH ANGLE — CRACKED (STAB TO FUSE) · airframe 20,676 hrs · 14,720 cycles

LEFT SIDE OF VERT STAB TO FUSELAGE FWD ATTACH ANGLE APPEARS TO HAVE A CRACK ON THE TRAILING EDGE.-C/A-COMPLETE:C/W REPAIR OF REPAIR OF FWD VERTICAL STAB DRAG ANGLE IAW E.O CR-55MR-076

Part: ATTACH ANGLE — CRACKED (VERTICAL-FUSELAG) · airframe 20,619 hrs · 14,686 cycles

LEFT SIDE OF VERT STAB TO FUSELAGE AFT ATTACH ANGLE APPEARS TO HAVE A CRACK ON THE L/E. COMPLIED WITH REPAIR OF LT AFT ANGLE IAW EO-CR-53MR-164R1.

Part: STEERING SYS — MALFUNCTIONED (NLG) · airframe 20,509 hrs · 14,619 cycles

FLIGHT 3250, CREW REPORTED IN CLIMB, RECEIVED A STEERING INOPERATIVE CAUTION MESSAGE ON ED 1, COMPLIED WITH AOM-1 ABNORMAL. CREW DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOLLOWED ETN CR-32-019, MESSAGE DISAPPEARED. MDC FAULT HISTORY SHOWED NOSE WHEEL STEERING MANIFOLD, SOLENOID VALVE FAILED, FOLLOWED FIM TASK 32-51-50-810-801. MESSAGE DID NOT REMAIN. MDC ALSO INDICATED NWS PRESSURE SWITCH, SWITCH POSITION DISAGREE6. FOLLOWED FIM TASK 32-51-35-810-801. MESSAGE DID NOT REMAIN. PERFORMED OPS CHECK OF STEERING IAW AMM 32-51-00-710-801. OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: HOLDER — BROKEN (CABIN) · airframe 20,367 hrs · 14,527 cycles

DURING MAINTENANCE INSPECTION FOUND THE FORWARD FLIGHT ATTENDANT FLASHLIGHT HOLDER BROKEN. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE FLASHLIGHT BASE BRACKET IAW AMM 25-61-02. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: PIN — DIRTY (PAX DOOR) · airframe 19,973 hrs · 14,281 cycles

ON FLIGHT 3865 THE CREW REPORTED THE HANDRAIL PIN ON AFT SIDE OF MAIN PASSENGER DOOR IS VERY DIFFICULT TO STOW IN HOLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. CLEANED AND LUBRICATE DOOR MAIN PASSENGER HANDRAIL PIN NO DEFECT NOTED. NO PARTS REMOVED OR REPLACED. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 19,639 hrs · 14,069 cycles

DURING MAINTENANCE BASE VISIT FOUND THE CEILING LIGHT AT SEAT 16 INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REPLACED THE LIGHT BULB IN CEILING AT SEAT 16 IAW CRJ MM 33-51-00.

Part: BULB — INOPERATIVE (EMERGENCY LIGHT) · airframe 19,639 hrs · 14,069 cycles

DURING MAINTENANCE VISIT, FOUND THE CEILING EMERGENCY LIGHT AT ROW 16 IS INOPERATIVE. ACFT REMOVED FROM SERVICE. REMOVED AND REPLACED THE LIGHT BULB IN CEILING EMERGENCY LIGHT AND THE OPS CHECKED GOOD IAW AMM 33-51-00. ACFT RETURNED TO SERVICE.

Part: LIGHT — DELAMINATED (CABIN) · airframe 19,445 hrs · 13,954 cycles

DURING MAINTENANCE BASE VISIT FOUND THE RIGHT EMERGENCY PATH LIGHT STRIP DELAMINATED. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE RIGHT EMERGENCY PATH LIGHT STRIP IAW AMM 33-51-01. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: SIGN — BROKEN (CABIN)

EMERGENCY EXIT SIGN OVER SERVICE DOOR WAS BROKEN. REMOVED AND REPLACED SERVICE DOOR OVERHEAD EMERGENCY EXIT SIGN HOUSING.

Part: BATTERY — DISCHARGED (CABIN) · airframe 17,782 hrs · 12,847 cycles

FOR FLIGHT 3704 DURING PREFLIGHT INSPECTION THE CREW FOUND THE CABIN EMERGENCY LIGHTS WOULD NOT TEST. (FOUND THE FLIGHT ATTENDANT PANEL LIGHT SWITCH ON) THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE EMEREGENCY POWER SUPPLY BATTERIES 1, 2, 3 AND 4. PART NUMBER 2013-1A AND SERIAL NUMBERS: NR 1 67508, NR 2 104847, NR 3 74160, NR 4 81257. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: BALLAST — ODOR (CABIN) · airframe 17,524 hrs · 12,677 cycles

FOR FLIGHT 3832 WHILE AT THE GATE A SMOKE AFT LAVATORY WARNING MESSAGE CAME ON. THE FLIGHT ATTENDANT DISCHARGED A HALON FIRE EXTINGUISHER. NO SMOKE OR FLAMES WERE NOTICED, HOWEVER NOTICED A SLIGHT ODOR IN CABIN. THE AIRCRAFT WAS REMOVED FROM SERVICE. FOUND ODOR TO BE COMING FROM BALLAST ABOVE SEAT 14C. REMOVED AND REPLACED BALLAST IAW CRJ AMM 33-21-03 . THE OPERATIONAL CHECK WAS GOOD NO OTHER DEFECTS NOTED. REMOVED AND REPLACED THE FLIGHT ATTENDANT PORTABLE FIRE EXTINGUISHER AS REQUIRED. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: SENSOR — MALFUNCTIONED (BLEED AIR SYS) · airframe 17,409 hrs · 12,593 cycles

ON FLIGHT 4585 PRIOR TO PUSHBACK THE AFT LAVATORY SMOKE MESSAGE CAME ON, THEN SMOKE FILED THE COCKPIT. THE AIRCRAFT RETURNED TO THE GATE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE LEFT AND RIGHT BLEED AIR TEMP SENSORS IAW CRJ AMM 36-21-19. LEFT AND RIGHT PART NUMBER REMOVED GG670-800053. LEFT SERIAL NUMBER OFF 05006. RIGHT SERIAL NUMBER OFF 05779. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: LIGHT — MALFUNCTIONED (CABIN) · airframe 17,822 hrs · 12,505 cycles

FOR FLIGHT 4674 THE FLIGHT ATTENDENT NOTICED DURING THE PRE-FLIGHT INSPECTION THE EMERGENCY LIGHTS WERE NOT WORKING. THE AIRCRAFT WAS REMOVED FROM SERVICE. RESET AND PERFORMED OPERATIONAL CHECK IAW CRJ AMM 33-51-00. THE OPERATIONAL CHECK WAS GOOD. NO PARTS REMOVED OR REPLACED. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 17,236 hrs · 20,659 cycles

FOR FLIGHT 4590 DURING PREFLIGHT INSPECTION THE CREW NOTICED THE CABIN EMERGENCY LIGHTS WERE INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED EMERGENCY BATTERY PACKS IAW/CRJ-700 AMM33-51-17. THE OPERATIONAL CHECK WAS GOOD. PART NUMBER: 2013-1A, SERIAL NUMBERS: 79481, 104583, 82398 AND 72758. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 17,010 hrs · 12,335 cycles

ON FLIGHT 3451 THE CREW REPORTED THE OVERHEAD EMERGENCY LIGHT AT ROW 15 WAS OUT. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED EMERGENCY CEILING FLOODLIGHT BULB IAW CRJ 700 AMM 33-51-09. THE OPERATIONAL TEST WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: BATTERY PACK — DISCHARGED (CABIN) · airframe 16,044 hrs · 11,695 cycles

ON FLIGHT 3769N DURING THE PREFLIGHT CHECK THE CREW DISCOVERED THE EMERGENCY LIGHTS TO BE INOPERATIVE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE NUMBER 1 BATTERY IAW CRJ 700 AMM 33-51-17. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: RELAY — DEFECTIVE (EMERGENCY LIGHT) · airframe 15,484 hrs · 11,344 cycles

ON FLIGHT 3769 DURING TAXI THE CREW REPORTED THE EMERGENCY LIGHTS CYCLED ON AND OFF WHEN SWITCH IN ARMED POSITION. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED K135 RELAY IAW CRJ-700 AMM 20-42-00. THE OPERATIONAL CHECK WAS GOOD IAW 33-51-00.

Part: STRUCTURE — DAMAGED (ELEVATOR) · airframe 15,201 hrs · 11,126 cycles

DURING MAINTENANCE BASE VISIT DID TEMPORARY REPAIR TO THE RIGHT ELEVATOR TRAILING EDGE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REPAIRED RIGHT ELEVATOR TRAILING EDGE IAW EO CR-55MR-055 R1 PT B. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: DOOR — BINDING (CABIN) · airframe 15,149 hrs · 11,083 cycles

ON FLIGHT 3753 THE CREW REPORTED THE MAIN CABIN DOOR IS HARD TO CLOSE. THE AIRCRAFT WAS REMOVED FROM SERVICE. PERFORMED OPERATIONAL CHECK OF THE MAIN CABIN DOOR IAW CRJ 700 AMM 52-11-00. NO PARTS REMOVED OR REPLACED. NO DEFECTS OR FAULTS NOTED. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: SUPPORT — CRACKED (PAX DOOR) · airframe 15,068 hrs · 11,025 cycles

DURING THE MAINTENANCE BASE VISIT FOUND THE PASSENGER DOOR MOTOR UPPER SUPPORT CRACKED. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND INSTALLED NEW SERVICEABLE PASSENGER DOOR MOTOR UPPER SUPPORT BRACKET IAW CRJ 700 SRM 51-42-06. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: ACTUATOR — MALFUNCTIONED (LE SLAT) · airframe 14,991 hrs · 10,979 cycles

ON FLIGHT 3524 DURING THE APPROACH THE CREW REPORTED, RECEIVED A SLAT FAIL CAUTION MESSAGE. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE 2 SLAT ACTUATOR AT TRACK 1-3 IAW CRJ 700 AMM 27-81-09, THE OPERATIONAL CHECK WAS GOOD IAW CRJ 700 AMM 27-50-00. REMOVED AND REPLACED THE RIGHT NR 4 2-3 SLAT ACTUATOR IAW AMM 27-81-09, THE OPERATIONAL TEST WAS OK IAW AMM 27-50. REMOVED AND REPLACED THE NR 5 RIGHT SLAT ACTUATOR IAW AMM 27-81-09, THE OPERATIONAL TEST WAS GOOD IAW AMM 27-50-00. PERFORMED OPERATIONAL CHECK OF THE RIGHT BRAKE/POSITION SENSOR UNIT AND OPERATIONAL CHECK WAS GOOD, IAW CRJ 70 AMM 27-81-03. REMOVED AND REPLACED THE RIGHT BRAKE/POSITION SENSOR UNIT IAW AMM 27-81-03 AND PERFORMED AN OPERATIONAL CHECK OF THE FLAPS AND SLAT SYSTEM IAW 27-50-00. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: SLAT — FAILED (WING) · airframe 14,947 hrs · 10,951 cycles

ON FLIGHT 2803 DURING THE APPROACH THE CREW REPORTED THAT THE SLATS FAILED. THE CAPTAIN REQUESTED CRASH, FIRE AND RESCUE EQUIPMENT AS A PRECAUTIONARY MEASURE. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. CLEARED INHIBITS AND PERFORMED AN OPERATIONAL CHECK OF THE FLAPS/SLATS IAW AMM CRJ 700 27-80-00 THE OPERATIONS CHECKS WERE GOOD. NO PARTS REMOVED OR REPLACED. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: ECU — FAILED (NR 2) · airframe 14,591 hrs · 10,953 cycles

ON FLIGHT 3529 DURING THE LANDING THE CREW RECEIVED A SLATS FAILED CAUTION MESSAGE. THE CAPTAIN DECLARED AN EMERGENCY AND FOLLOWED THE AIRCRAFT OPERATING MANUAL PROCEDURES. THE AIRCRAFT LANDED WITHOUT INCIDENT AND TAXIED TO GATE. REMOVED AND REPLACED THE SLAT/FLAP ELECTRONIC CONTROL UNIT NR 2 IAW AMM 27-51-05. THE OPERATIONAL TEST WAS GOOD IAW AMM 27-50-00. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: TILLER — INOPERATIVE (NLG STEERING) · airframe 14,782 hrs · 10,836 cycles

ON FLIGHT 4217 DURING THE CLIMBOUT THE CREW REPORTED, RECEIVED A STEERING INOPERABLE CAUTION MESSAGE ON EICAS. THE CREW DECLARED AN EMERGENCY AND CONTINUED TO ABQ. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED HAND WHEEL CONTROL ASSEMBLY IAW CRJ IAW AMM 32-51-00. THE NOSE WHEEL OPERATIONAL TEST WERE NORMAL. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: WARNING MESSAGE — ILLUMINATED (SLATS) · airframe 10,116 hrs · 7,329 cycles

ON FLIGHT 3645 CREW REPORTED ON APPROACH INTO PIT THE SLAT FAIL CAUTION MSG. CREW ELECTED TO DECLARE AN EMERGENCY. AIRCRAFT LANDED AND TAXIED SAFELY TO THE GATE WITHOUT FURTHER INCIDENT.

Part: WARNING LIGHT — FALSE INDICATION · airframe 9,857 hrs · 6,898 cycles

ON FLIGHT 3895, CREW REPORTED T/O ABORT DUE TO A EMERGENCY LIGHT WARNING THAT WENT AWAY BEFORE HE COULD EVEN LOOK DOWN AND SEE WHAT IT WAS. CHECKED MDC FOR CURRENT FAULTS CHECKED FAULT HISTORY NO FAULTS NOTED HIGH SPEED TAXI PERFORMED BY FLIGHT CREW (TWICE), NO DEFECTS NOTED.

Part: ACM — SMOKE (RIGHT) · airframe 9,247 hrs · 6,663 cycles

LAV SMOKE WARNING INDICATION AND RT PACK AUTO FAIL MSGS ON TAXI OUT. ISSUED MEL 2113 FOR RT PACK. REMOVED AND REPLACED RIGHT HAND ACM IAW CRJ 700 AMM 21-51-08 OPS CHECK AN LEAK CHECK GOOD AIRCRAFT RETURNED TO SERVICE

Part: ACM — FAILED (LEFT) · airframe 8,727 hrs · 6,248 cycles

CREW REPORTED TO MTX WHILE SITTING AT THE GATE LEFT PACK AUTO FAIL FOLLOWED BY LEFT PACK OVERHEAT CAUTION COCKPIT STARTED FILLING UP WITH SMOKE. ISSUED PACK MEL REMOVED AND REPLACED AIR CYCLE MACHINE IAW 21-51-00. AIRCRAFT RETURNED TO SERVICE.

Part: ACCELEROMETER — FAILED (RT ENGINE) · airframe 8,459 hrs · 6,062 cycles

NUMBER TWO ENGINE N1 VIBRATION INDICATION WENT 1.8 - DIVERTED TO LIT. REMOVED AND REPLACED RIGHT ENGINE VIBRATION ACCELEROMETER IAW CRJ AMM 77-31-01. OPERATIONAL CHECK GOOD, AIRCRAFT RETURNED TO SERVICE.

Part: FLOORBEAM — CORRODED (ZONE 200) · corrosion level 2 · airframe 7,880 hrs · 5,671 cycles

STATION 280 FLOORBEAM CORRODED ALONG TOP FLANGE FROM BL 24L TO BL42R. SPLICED IN FRAME 280 AND EXTENSION MOUNTS IAW AMERICAN EAGLE ENGINEERING ORDER CR-53MR-119. RETURNED AIRCRAFT TO SERVICE.

Part: WEB — CORRODED (ZONE 200) · corrosion level 2 · airframe 7,880 hrs · 5,671 cycles

WEB AT STA 280 CORRODED AT FLOORBEAM MATTING AREA. SPLICED IN NEW WEB IAW AMERICAN EAGLE ENGINEERING ORDER CR-53MR-124. RETURNED AIRCRAFT TO SERVICE.

Part: SHUTOFF VALVE — FAILED (LT ENGINE) · airframe 7,605 hrs · 5,469 cycles

LEFT COWL ANTI-ICE DUCT WARNING ILLUMINATED, ENGINE SHUTDOWN. EMERGENCY DECLARED, DIVERTED TO BNA. REMOVED AND REPLACED PRESSURE SHUTOFF VALVE IAW CRJ AMM 36-12-05 WITH NO DEFECTS NOTED. REMOVED AND REPLACED LEAK TRANSDUCER IAW CRJ AMM 30-22-03 WITH NO DEFECTS NOTED.

Part: PSEU — FAILED (MLG) · airframe 6,590 hrs · 4,815 cycles

GEAR DISAGREE ON TAKEOFF, RETURNED TO XNA. REMOVED AND REPLACED PSEU IAW CRJ AMM 32-61-01. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

Part: ACTUATOR — MALFUNCTIONED (RUDDER)

RUDDER TRIM MOVING ON ITS OWN WITHOUT INPUT FROM COCKPIT CONTROLS, PULLED CIRCUIT BREAKER 2F2, IAW AIRCRAFT OPERATING MANUAL VOLUME 1. INDICATOR STILL SHOWS UNCOMMANDED MOVEMENT AND PLANE STILL FLYS SIDEWAYS. REMOVED AND REPLACED RUDDER TRIM ACTUATOR, IAW CRJ700 AMM 27-22-01. PERFORMED FUNCTIONAL TEST OF THE RUDDER TRIM SYSTEM. FOUND SYSTEM WORKING PROPERLY, IAW CRJ700 AMM 27-22-00. RETURNED AIRCRAFT TO SERVICE. (M)

Part: COMPUTER — FAILED (FUEL SYSTEM)

IN FLIGHT, CREW GOT FUEL CHANNEL 1 FAIL AND RETURNED TO BNA. RAI FUEL SYSTEM COMPUTER, IAW AMM 28-41-21-400-801-A01, OPS CHECK GOOD. RETURNED AIRCRAFT TO SERVICE. (M)

Part: ACTUATOR — INOPERATIVE (NR 2 PITCH FEEL)

ORD - FLT 4122 - CREW DECLARED EMERGENCY LANDING FOR LOSS OF PITCH FEEL SYSTEM. RAI NR 2 PITCH FEEL ACTUATOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. (M)

Part: ACTUATOR — INOPERATIVE (PITCH CONT SYS)

CREW RECEIVED PITCH FEEL CAUTION MSG. PERFORMED AOM PROCEDURES AND LANDED WITHOUT INCIDENT. RAI NR 2 PITCH FEEL ACTUATOR. OPERATIONAL CHECKS GOOD AIRCRAFT RETURNED TO SERVICE. (M)

Part: POWER SUPPLY — DISCHARGED (CABIN)

DURING A CHECK INSPECTION, FOUND NR 1 EMERGENCY POWER SUPPLY INOPERATIVE. REPLACED NR 1 EMERGENCY POWER SUPPLY. OPERATIONAL CHECK GOOD. AC RETURNED TO SERVICE. (K) (SW21200503055)