N546FF

Part: TRANSDUCER — LEAKING (ZONE 100) · airframe 32,410 hrs · 26,230 cycles

HYD SYSTEM 2 LOW PRESSURE CAUTION MSG. IN FLIGHT. EMER DECLARED. / UPON ARRIVAL TO AIRCRAFT CLEANED AFFECTED AREA AND FOUND LEAK COMING FROM THE SYSTEM #2 PRESSURE TRANSDUCER. FOUND THE PRESSURE TRANSDUCER TO BE LOOSE AND HAD A CRUSHED O-RING. REPLACED O-RING AND RETORQUED THE #2 PRESSURE TRANSDUCER IAW CRJ700 AMM 29-31-01-000/400-801. LEAK CHECK AND OPS CHECKS GOOD AT THIS TIME.

Part: SAFETY VALVE — FAULTED (CABIN PRESSURE) · airframe 31,768 hrs · 25,687 cycles

CABIN PRESSURIZATION FAILED IN DESCENT INTO BHM. APPROX 15000FT PRESSURIZATION BECAME ERRATIC AND CABIN ALT STARTED TO INCREASE. AT 8500FT AMBER CABIN ALT THEN RED CABIN ALT. RAN QRC/ARH FOR CABIN ALT. REMOVED AND REPLACED NR 2 SAFTEY VALVE IAW AMM 21-32-03-000/400-801. COMPLETED FUNCTIONAL TEST OF NUMBER 2 (RH) SAFETY VALVE IAW AMM 21-32-03-720-802. FUNCTIONAL TEST GOOD, NO FURTHER DEFECTS NOTED

Part: DUCT — LEAKING (ZONE 200) · airframe 31,444 hrs · 25,412 cycles

L BLEED DUCT CAUTION MSG IN FLIGHT. / UPON LEAK CHECK FOUND LEAK AT LH CONNECTOR DUCT FWD OF FLOW CONTROL VALVE AND AT APU BLEED AIR CHECK VALVE. REMOVED AND REPLACED CONNECTOR DUCT IAW AMM 36-19-03-000/400. PERFORMED LEAK TEST IAW AMM 36-10-00-790-801. LEAK TEST GOOD. NO EICAS BLEED DUCT OR DUCT MON FAULT DETECTED.

Part: ANTI-SKID SYS — FAULTED (ZONE 700) · airframe 30,820 hrs · 24,910 cycles

A\SKID FAULT IN FLIGHT. PERFORMED HYDRAULIC SYS 1,2,AND 3 BLEED IAW AMM 29-10-00-870-801-A01 AND 29-10-00-870-802-A01. ACCOMPLISHED GVI OF BRAKE-UNIT ASSEMBLY WEAR-PIN INDICATOR IAW CRJ 700 AMM 32-43-26-210-801-A01. NO DEFECTS NOTED AT THIS TIME. FLT CREW COMFIRMED NORMAL BRAKE OP. FAULT DID NOT RE-APPEAR ON MDC OR EICAS STATUS. OPS CHECK GOOD.

Part: FLOORBEAM — CORRODED (ZONE 200) · airframe 30,802 hrs · 24,890 cycles

FS 280.00 FWD FLOOR SUPPORT J-ANGLE IS SEVERELY CORRODED. REQUIRES REPLACEMENT. ORIGINAL MATERIAL THICKNESS IS .063. REMOVED DAMAGE DEPTH IS .018. MAX ALLOWED IS .006. REMAINING THICKNESS IS .045. REMOVED AND REPLACE FS 280.00 FWD FLOOR SUPPORT J-ANGLE P/N CC670-34095-1 IAW CRJ SRM 51-42-06-001-001-A01 AND 51-42-21-001-001-A01.

Part: ANGLE — CORRODED (ZONE 200) · airframe 30,802 hrs · 24,890 cycles

CLIP/KLEAT (ANGLE) @ FS310.00 STGR 20, FOUND TO BE CHAFED, CORRODED, REQUIRES R&R CORRECTIVE ACTION: DRILLED, LOCATED, AND INSTALLED NEW SERVICEABLE P/N(SH670-32046-3) CLIP/KLEAT(ANGLE) @ FS310.00 STGR 20 IAW CRJ700 SRM 51-40-11-001-001-A01, 51-42-06-001-001-A01, 51-23-00-001-001-A01, 51-25-06-001-001-A01, 51-25-16-001-001-A01

Part: LOCK FASTENER — SHEARED (ZONE 600) · airframe 30,802 hrs · 24,890 cycles

LOCK FASTENER HEAD IS SHEARED AT RIGHT SLAT LEADING EDGE AT SLAT TRACK 1-1 POSITION. CORRECTIVE ACTION: REPLACED RH LE SLAT PANEL SHEARED RIVET AT SLAT TRACK 1-1 WITH A NEW SERVICEABLE HI-LITE PN: PLT1092-6 IAW MHIRJ CRJ 700 REO 670-57-42-2041 REV-- DATED 03/28/2025. THIS CREATES TEMP REPAIR. THE AIRCRAFT MUST NOT BE OPERATED BEYOND 12 MONTHS FROM THE ISSUE DATE OF THIS REPAIR.

Part: INTERCOSTAL — CORRODED (ZONE 200) · airframe 30,802 hrs · 24,890 cycles

HN00228605 DISCREPANCY: INTERCOSTAL AT STRINGER 20R BETWEEN F.S.319-F.S.333 HAS LIGHT CORROSION AROUND RIVET HEAD ADJACENT TO GS328. CORRECTIVE ACTION: REMOVE INTERCOSTAL AT STRINGER 20R BETWEEN F.S.319-333 IAW CRJ700 SRM 51-42-06-001-001-A01 & 51-42-21-001-001-A01 AND INSTALLED NEW SERVICEABLE INTERCOSTAL IAW CRJ 700 SRM

Part: INTERCOSTAL — CORRODED (ZONE 200) · airframe 30,802 hrs · 24,890 cycles

HN00228604 DISCREPANCY: INTERCOSTAL AT STRINGER 20R IS CORRODED BETWEEN F.S.310-319 CORRECTIVE ACTION: REMOVE INTERCOSTAL AT STRINGER 20R BETWEEN F.S.310-319 AND INSTALLED NEW SERVICEABLE INTERCOSTAL IAW CRJ 700 SRM 51-42-06-001-001-A01, 51-23-00-001-001-A01, 51-25-06-001-001-A01, AND 51-25-16-001-001-A01.

Part: BULKHEAD WEB — CORRODED (ZONE 200) · airframe 30,802 hrs · 24,890 cycles

FS 280 LH LOWER WEB HAS CORRSION. REPAIRED LH LOWER WEB IAW CRJ 700 SRM 53-11-10-201-004-A01

Part: STRINGER CLIP — CORRODED (ZONE 100) · airframe 30,802 hrs · 24,890 cycles

GUSSET AT STR 20 FS 333 FOUND TO BE DAMAGED REQUIRES REPLACEMENT. FABRICATED NEW SERVICEABLE GUSSET P.O.#5-39394 IAW CRJ 700 SRM 51-24-36-001-001-A01. DRILLED AND LOCATED HOLES IN NEW SERVICEABLE GUSSET IAW CRJ 700 SRM 51-40-11-001-001-A01. PRIMED AND PAINTED IAW CRJ 700 SRM 51-25-16-001-001-A01. NEW SERVICEABLE P/N(SH670-32000-1) GUSSET WAS INSTALLED IAW CRJ700 SRM 51-42-21-001-001-A01, 51-23-00-001-001-A01, 51-25-06-001-001-A01, AND 51-25-01-001-001-A01-PSA.

Part: POST — CORRODED (ZONE 200) · airframe 30,802 hrs · 24,890 cycles

VERTICAL POST LBL12 IS CORRODED AT F.S.280 FRAME AND STRINGER 25L REMOVED VERTICLE POST AT LBL12 AND INSTALLED NEW SERVICEABLE VERTICLE POST P/N CC670-34180-7 AT LBL12 F.S 280 WITH NEW IAW CRJ 700 SRM 51-42-13-001-001-A01 AND 51-42-21-001-001-A01

Part: SELECTOR VALVE — UNSERVICEABLE (MLG) · airframe 28,948 hrs · 23,344 cycles

HAD GEAR DISAGREE WARNING MSG AT GEAR RETRACTION. RAN QRC\QRH . GEAR SUCCESSFULLY LOCKED IN DOWN POSITION / INTERROGATED MDC FOUND B1 005969. PREFORMED TROUBLESHOOTING IAW CRJ 700 FIM 32-31-00-810-804. PREFORMED OPERATIONAL CHECK IF THE LANDING GEAR EXTENSION AND RETRACTION SYSTEM IAW CRJ 700 AMM 32-30-00-710-801. REMOVED AND REPLACED PRIORITY BALANCED RELIEF VALVE IAW CRJ 700 AMM 29-12-05-000/400-802. LEAK CHECK GOOD. FAULT REMAINED. REMOVED AND REPLACED LANDING GEAR SELECTOR VALVE IAW CRJ 700 AMM 32-32-10-000/400-801. LEAK CHECK AND OPS CHECK GOOD.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 27,546 hrs · 22,139 cycles

SMOKE/ABNORMAL SMELL IN THE COCKPIT FIM FASK NEEDS TO BE C/W DUE TO POSSIBLE ARCING. PERFORMED SMOKE/ABNORMAL SMELL IN THE COCKPIT CHECK IAW CRJ700 FIM 21-21-00-810-806-A01 AND CHECK GOOD.NO SIGN OF SMOKE OR BURN.

Part: SEAT TRACK — CORRODED (ZONE 100) · corrosion level 2 · airframe 26,331 hrs · 21,042 cycles

CORROSION ON LH SIDE SEAT RAIL (SEVERAL LOCATIONS), PAX CABIN. (REF. FS661+13" TO FS708+5").

Part: SKIN PANEL — NICKED (ZONE 100) · airframe 26,331 hrs · 21,042 cycles

NICKS ON FWD CARGO CUT OUT SURROUND SKIN (FWD, REAR & UPPER FRAMES).

Part: STRINGER SPLICE — CORRODED (ZONE 100) · corrosion level 2 · airframe 26,331 hrs · 21,042 cycles

AFTER REMOVAL OF STRINGER 21RH, CORROSION WAS FOUND ON STGR SPLICE 21R AT FS 333.00 ON MAIN AVIONICS COMPARTMENT INTERNAL STRUCTURE

Part: SEAT TRACK — CORRODED (ZONE 100) · corrosion level 2 · airframe 26,331 hrs · 21,042 cycles

CORROSION ON SEAT RAIL RBL9 & BTW FS485 - FS581.. AT PAX CAB.

Part: SEAT TRACK — CORRODED (ZONE 100) · corrosion level 2 · airframe 26,331 hrs · 21,042 cycles

CORROSION ON SEAT RAIL LBL27 & BTW FS485 - FS581. AT PAX CAB.

Part: SEAT TRACK — CORRODED (ZONE 100) · corrosion level 2 · airframe 26,331 hrs · 21,042 cycles

CORROSION ON SEAT RAIL LBL27 & BTW FS364 - FS485. AT PAX CAB

Part: SEAT TRACK — CORRODED (ZONE 100) · corrosion level 2 · airframe 26,331 hrs · 21,042 cycles

CORROSION ON SEAT RAIL LBL27 & BTW FS581 - FS693. AT PAX CAB.

Part: SEAT TRACK — CORRODED (ZONE 100) · corrosion level 2 · airframe 26,331 hrs · 21,042 cycles

CORROSION ON SEAT RAIL LBL9 & BTW FS485 - FS581. AT PAX CAB.

Part: SEAT TRACK — CORRODED (ZONE 100) · corrosion level 2 · airframe 23,661 hrs · 21,042 cycles

CORROSION ON RH SIDE SEAT RAIL BTW FS661+13" TO FS708+5”

Part: INTERCOSTAL — CORRODED (ZONE 100) · corrosion level 2 · airframe 26,331 hrs · 21,042 cycles

CORROSION AT INTERCOSTAL (3 EAS) BETWEEN STRG 25L TO STRG 25R AND BETWEEN FS 349 TO FS364.

Part: FRAME — CORRODED (BS 1088 S26L/R) · corrosion level 2 · airframe 26,331 hrs · 21,042 cycles

CORROSION ON FRAME FS 1088.20 BTW STGR 26LH AND 26RH ON AFT CARGO COMPARTMENT INTERNAL STRUCTURE

Part: FRAME — CORRODED (ZONE 100) · corrosion level 2 · airframe 26,331 hrs · 21,042 cycles

CORROSION ON FRAME AT FS 1015.00 BTW STGR 26LH AND 26RH ON AFT CARGO COMPARTMENT INTERNAL STRUCTURE

Part: FRAME — CORRODED (ZONE 100) · corrosion level 2 · airframe 26,331 hrs · 21,042 cycles

CORROSION ON FRAME AT FS 1047.00 BTW STGR 25LH AND 24LH ON AFT CARGO COMPARTMENT INTERNAL STRUCTURE

Part: WINDSHIELD — UNSERVICEABLE (200) · airframe 25,154 hrs · 19,942 cycles

ON DECENT INTO DCA CA SIDE WINDSHIELD ARCHED AND OVERHEATED. DECLARED EMERGENCY LANDED WITHOUT INCIDENT. TAXI TO GATE MX HAS BEEN CALLED. TRUCKES ROLLED AIRCRAFT CANNOT BE FERRIED. ORF ROAD TRIP IS BE PUT TOGETHER. / REPLACED CAPT WINDSHIELD IAW CRJ 700 AMM 56-11-01-000/400-801-A01-PSA.

Part: WINDSHIELD — SPARKS (RT COCKPIT) · airframe 23,417 hrs · 18,407 cycles

ON APPROACH INTO CVG, CAPTAIN AND FO STARTED SEEING SPARKS COMING FROM THE FRONT RIGHT WINDSCREEN. RAN THE QRH AND DECLARED. LANDED SAFELY AND HAD FIRE AND RESCUE CHECK THEIR WINDSHIELD FOR HEAT. CREW NOTICED A VISIBLE CRACK. MX HAS BEEN ADVISED. REMOVED AND REPLACED RT WINDSHIELD TEMPERATURE CONTROLLER DUE TO CRACKED RT WINDSHIELD IAW CRJ 700 AMM 30-41-06-000/400-801. REMOVED AND REPLACED CO-PILOT WINDSHIELD IAW CRJ 700 AMM 56-11-01-000/400-801-A01-PSA UP TO STEP 5. CLOSEOUT PARAGRAPH B. WIPER ARM NEEDS OPS CHECKED. WINDSHIELD ANTI ICE SYSTEM NEEDS CONNECTED AND OPS CHECKED. WINDSHIELD NEEDS LEAKED CHECKED. PERFORMED OPS TEST OF R/H WINDSHIELD TEMPERATURE CONTROLLER IAW CRJ 700 AMM 31-41-06-710-801. OPS TEST GOOD AT THIS TIME. C/W REMAINING STEPS OF INSTALL OF R/H WINDSHIELD IAW CRJ 700 AMM 56-11-01-400-801. OPS CHECKS AND LEAK CHECK GOOD AT THIS TIME.

Part: COOLING FAN — FAILED (COCKPIT) · airframe 22,087 hrs · 17,231 cycles

BURNING SMELL IN COCKPIT WITH DISPLAY COOL MSG. REMOVED AND REPLACED #2 DISPLAY COOLING FAN IAW CRJ-700 AMM. OPS CHECK GOOD.

Part: HYDRAULIC LINE — DAMAGED (NLG) · airframe 22,108 hrs · 16,452 cycles

HYDRAULIC 3B LOW PRESSURE CAUTION JUST AFTER TAKING HIGH SPEED EXIT C10 36R. FIRE DEPARTMENT TRUCKS NEEDED TO ASSIST IN ENVIRONMENTAL FLUID SPILL. HAZMAT CLEANED UP ON C11. AIRCRAFT NEEDED TOW TEAM TO MAKE IT TO GATE IN CLT. REMOVED AND REPLACED FLEXIBLE HOSE (RETRACT) NLG RETRACT ACTUATOR IAW CRJ700 AMM. NO LEAKS NOTED.

Part: CONNECTOR — DIRTY (STAB TRIM) · airframe 21,456 hrs · 16,672 cycles

ON THE ARRIVAL AT FL060, STAB TRIM RUNAWAY. THE CREW RAN THE QRH AND DECIDED TO DIVERT TO IAD FOR THE LONGER RUNWAY. CREW DECLARED AN EMERGENCY. CABI DID NOT BRACE, TRUCKS DID ROLL. FLIGHT LANDED ON RWY 1C WITHOUT FURTHER INCIDENT AND WAS ABLE TO TAXI TO GATE B67. AIRCRAFT IS NOW IN MX. REMOVED AND CLEANED CANNON PLUGS ON MCU. INSTALLED AND OPS CHECK GOOD

Part: DOOR SILL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 19,700 hrs · 15,068 cycles

ALT CARGO DOOR SILL CORRODED ON AFT END, UPPER SURFACE. REPLACED AFT CARGO BAY DOOR TOWER SILL.

Part: FILTER — DIRTY (RECIRC FAN)

AFTER PUSHBACK, CREW REPORTED A BURNING SMELL. MAINTENANCE REPLACED BOTH RECIRC FAN FILTERS. OPS CHECK GOOD NO ODORS NOTED.

Part: ACM — MALFUNCTIONED (LEFT) · airframe 18,873 hrs · 14,311 cycles

ON GROUND EMERGENCY DECLARED IN DCA AFTER SMOKE PRESENT ON THE FLIGHTDECK AND REPORTS OF A BURNING PLASTIC SMELL. NO VISIBLE FIRE. MX WENT TO INSPECT AND FOUND THE LT PACK MAKING A GRINDING NOISE. MX R&R LH ACM. OPS CHECK GOOD.

Part: UNKNOWN — MALFUNCTIONED (FLIGHT CONTROL) · airframe 18,608 hrs · 14,058 cycles

DURING CLIMBOUT, CAPTAIN NOTICED THAT THE FLIGHT CONTROLS WERE ACTING SLUGGISH REQUIRING 3 TO 4 TIMES THE AMOUNT OF FORCE NEEDED TO MAKE THE AIRCRAFT TURN. DID NOT FOLLOW THE QRH AND THE STATION DECLARED AN EMERGENCY. THE AIRCRAFT LANDED WITHOUT INCIDENT. CHECKED RIGGING OF AILERONS & ELEVATOR IAW AMM 27-00-00-910-801. ACFT FLIGHT CONTROLS WITHIN RIGGING PARAMETERS, CLEANED AILERON AND ELEVATOR CONTROL CABLES & QUADRANTS. OPS TESTED GOOD IAW AMM 27-11-00-710-801. CHECKED RIGGING & FORCE ON CONTROL COLUMN IAW RIL 3328, FORCE CHECKED IN LIMITS.

Part: ACM — FAILED (RIGHT) · airframe 16,148 hrs · 11,869 cycles

ON APU START THE CREW RECEIVED A RIGHT AIR CONDITIONING PACK AUTO FAILED WITH THE PACK TEMPERATURE GOING TO 99 DEGREES. CAUSING SMOKE AND FUMES TO FILL THE CABIN.

Part: SCREW — STRIPPED (EMERGENCY LIGHT) · airframe 14,708 hrs · 10,606 cycles

EMERGENCY EXIT LIGHT SIGN IS HANGING DOWN. REMOVED AND REPLACED STRIPPED SCREW.

Part: BULKHEAD WEB — CORRODED (BS 280) · corrosion level 2 · airframe 14,576 hrs · 10,476 cycles

RIGHT BS 280 BULKHEAD WEB CORRODED. MAINTENANCE REMOVED AND REPLACED BULKHEAD WEB AND PERFORMED CHECKS IAW THE AMM.

Part: INTERCOSTAL — CRACKED (FS1144 - FS1154.) · airframe 14,576 hrs · 10,476 cycles

LEFT PACK WATER INJECTION LINE CLAMP BRACKET CRACKED. REPAIRED THE INTERCOSTAL AT STRINGER 9L, BS 1144 - 1154.48 AND PERFORMED CHECKS IAW THE AMM.

Part: FLOOR SUPPORT — CRACKED (BS 202-280) · airframe 14,576 hrs · 10,476 cycles

COCKPIT FLOOR SUPPORT LEFT SIDE IS CRACKED. MAINTENANCE PERFORMED A MAJOR REPAIR IAW THE AMM.

Part: FLOOR SUPPORT — CRACKED (BS 202-280) · airframe 14,576 hrs · 10,476 cycles

COCKPIT FLOOR SUPPORT RIGHT SIDE IS CRACKED. MAINTENANCE PERFORMED A MAJOR REPAIR IAW AMM.

Part: DRAG ANGLE — CRACKED (VERTICAL STAB) · airframe 14,576 hrs · 10,476 cycles

RIGHT FORWARD VERTICAL STABILIZER DRAG ANGLE CRACKED. MAINTENANCE REPAIRED THE DRAG ANGLE AND PERFORMED CHECKS IAW THE AMM.

Part: DRAG ANGLE — CRACKED (VERTICAL STAB) · airframe 14,576 hrs · 10,476 cycles

LEFT FORWARD VERTICAL STABILIZER DRAG ANGLE CRACKED. MAINTENANCE REPAIRED THE DRAG ANGLE AND PERFORMED CHECKS IAW THE AMM.

Part: WEB — CRACKED (FUSELAGE) · airframe 11,251 hrs · 7,405 cycles

FORWARD AVIONICS COMPARTMENT FLOOR HAS A 1/8 INCH CRACK BY THE ADG PUMP MOUNTING BRACKET. COMPLETED REPAIR TO FWD AVIONICS COMPARTMENT FLOOR BY ADG PUMP MOUNTING BRACKET IAW ETN-CR-53-099 & AMM 24-23-19.

Part: SUPPORT ANGLE — CRACKED (PAX DOOR) · airframe 11,251 hrs · 7,405 cycles

AFT PAX DOOR STEP SUPPORT ANGLE IS CRACKED BY THE PAX DOOR POWER ASSIST SUPPORT BRACKET. REPAIRED PAX DOOR AFT DRAG ANGLE IAW SRM 52-11-04.

Part: CONNECTOR — OUT OF POSITION (CABIN) · airframe 11,251 hrs · 7,405 cycles

LEFT AFT EXTERIOR EMER LIGHT IS INOPERATIVE. REPLACED P5230 & J5230, FOUND IT WAS CONNECTED TO P873. CONNECTED TO THE RIGHT PLUGS, ALL WORK DONE IAW ESPM 20-12-00. OPERATIONS CHECKED GOOD.

Part: SKIN — DAMAGED (PAX DOOR) · airframe 11,251 hrs · 7,405 cycles

UPPER FWD CORNER OF THE PAX DOOR INNER SKIN IS DENTED & GOUGED. R & R UPPER FWD CORNER OF THE PAX DOOR INNER SKIN IAW SRM 52-11-01.

Part: SKIN — DAMAGED (PAX DOOR) · airframe 11,251 hrs · 7,405 cycles

UPPER AFT CORNER OF THE PAX DOOR INNER SKIN IS DENTED & GOUGED. R & R INNER SKIN IAW SRM 52-11-01.

Part: CHARGER — FAILED (CABIN) · airframe 10,770 hrs · 7,032 cycles

LOWER EMER LIGHT ON LT OVERWING EXIT SIDEWALL IS NOT WORKING. R & R NR 3 BATTERY CHARGER IAW AMM 33-51-17.

Part: RADIO ALTIMETER — FAILED (NR 2) · airframe 10,686 hrs · 6,951 cycles

FIRST OFFICER`S RAD ALT WARNING, SPOILER & STAB FAULT, AURAL ALT WARNING, GLD UNSAFE. R & R NR RAD ALT IAW AMM 34-44-01. OPERATIONS CHECKED GOOD. MEL 34-48 RESTORED. REF ITEM 4 BELOW FOR SSCU MEL. REF ITEM 1 LOG PAGE 3662398 FOR CAT 2 MEL.

Part: VALVE — FAILED (MLG) · airframe 10,683 hrs · 6,946 cycles

DURING GEAR RETRACTION, CREW HEARD A RUMBLING NOISE FROM THE NOSE AREA & RECEIVED GEAR DISAGREE WARNING. CREW COMPLIED WITH AOM VOL 1 PROCEDURES, DECLARED AN EMERGENCY & RETURNED WITHOUT INCIDENT. R & R NR 3 PRIORITY BALANCED RELIEF VALVE IAW AMM 29-12-05. OPS CHECKED GOOD IAW AMM 29-12-05. GEAR EXTENSION & RETRACTION GOOD IAW AMM 32-30-00.

Part: CONTROL UNIT — MALFUNCTIONED (ANTI-SKID SYS) · airframe 10,044 hrs · 6,436 cycles

BRAKE OVERHEAT WARNING TRIPLE STROKE RED WARNING AT FL227. AOM VOL I EMER ABNORMAL PROCEDURES COMPLIED WITH. DIVERTED AS PRECAUTION, BRAKE OVERHEAT VALUE WENT TO 20. AFTER GEAR LOWERED IT WAS BRAKE INDICATOR NR 1 LANDING NORMAL. R & R ANTI-SKID CONTROL UNIT IAW AMM 32-44-06. OPERATIONS CHECKED GOOD SEE NRWC 546-ABI-01068 FOR DETAILS

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 9,994 hrs · 6,383 cycles

OUTBOARD SPOILERS & OTBD FLIGHT SPOILERS ON EICAS. SPOILER OPERATIONS CHECKED GOOD IAW 27-61-05 AMM. NO SPOILERS MSG ON MTX.

Part: UNKNOWN — MALFUNCTIONED (LT ENGINE) · airframe 9,457 hrs · 5,951 cycles

LOUD BANG ON LT SIDE ENG INFLIGHT N1 & N2 FLUCTUATING 2%, ITT FLUCTUATING 15* ON LT ENG. LOUD BOOM SOUND FROM LT SIDE OF ACFT EVERY 15 SEC OR SO AUDIBLE IN THE COCKPIT. PERFORMED MANUAL TASK 72-00-00-700-801, NO DEFECTS NOTED.

Part: BATTERY — DISCHARGED (CABIN) · airframe 8,249 hrs · 5,131 cycles

NUMEROUS EMERGENCY LIGHTS ILLUMINATED WITH BOTH SWITCHES IN OFF POSITION. R & R BATTERY & BATTERY POWER SUPPLY IAW AMM 33-51-17, OPERATIONS CHECKED GOOD.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 8,122 hrs · 5,046 cycles

SLATS FAIL CAUTION MESSAGE DURING APPROACH. LT SLATS INDICATE 1, RT SLATS INDICATE DASHES. TROUBLESHOT SLAT RT BPSU MDC MESSAGE IAW FIM 27-81-03-810-809. PERFORMED OPERATIONS TEST OF SLAT SYS IAW AMM 27-50-00. OPERATIONS CHECKED GOOD.

Part: CHARGER — UNKNOWN (CABIN) · airframe 8,159 hrs · 5,070 cycles

BATTERY CHARGER ASSEMBLY PN SN11-0049 16009. R & R NR 3 BATTERY CHARGER ASSEMBLY IAW AE WC 33-002, OPERATIONS CHECKED GOOD.

Part: BPSU — MALFUNCTIONED (LE SLAT) · airframe 7,997 hrs · 4,960 cycles

ON FLIGHT 3124 CREW REPORTED ON APPROACH SLATS, FLAPS SELECTED TO 1 SLAT FAIL. AMBER CAUTION POSTED ON ED1 FLAPS OPERATED NORMALLY. SLATS INDICATED 0 ON LT SLATS ON RT SLATS & DECLARED EMERGENCY FOR SAFETY & LANDED WITHOUT INCIDENT. THE ACFT WAS REMOVED FROM SERVICE. BPSU RESOLVER 1 & 2 FAIL ON MDC. R & R THE RT WING BPSU IAW CRJ AMM 27-81-03. OPERATIONS CHECKED GOOD, THE ACFT RETURNED TO SERVICE.

Part: CONNECTOR — DIRTY (BRAKE TEMP) · airframe 7,737 hrs · 4,799 cycles

LEFT OTBD BRAKE TEMP INDICATES OVERHEAT IN FLIGHT. CLEANED BRAKE TEMP SENSOR CONNECTOR AND PERFORMED OPS CHECK IAW AMM 32-46-01.OPS CHECKED GOOD. ACFT RETURNED TO SERVICE.

Part: FLASHLIGHT ASSY — INOPERATIVE (CABIN) · airframe 7,488 hrs · 4,626 cycles

F/O FLASHLIGHT HAS NO RED CHARGING INDICATION. R & R F/O FLASHLIGHT IAW AMM 25-60-00. OPS CHECKED GOOD.

Part: ACTUATOR — INOPERATIVE (LE SLAT) · airframe 6,174 hrs · 3,802 cycles

ON FLIGHT 3634 THE CREW REPORTED THAT DURING APPROACH THEY RECEIVED A "SLAT FAIL" CAUTION MESSAGE. RETRACTED & DEPLOY AFFECTED NO CHANGE. INDICATION ZERO. THE CREW DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED SLAT ACTUATOR AT TRACK 3-3 IAW CRJ 700 AMM 27-81-09. THE OPERATIONAL CHECK WAS GOOD. FAULT CLEARED. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: ACTUATOR — TRIPPED (LE SLAT) · airframe 5,975 hrs · 3,687 cycles

ON FLIGHT 3717 THE CREW REPORTED THAT ON APPROACH THEY RECEIVED A SLATS FAIL MESSAGE. THE CREW FOLLOWED EMERGENCY PROCEDURES WHILE COORDINATING WITH ATC. AFTER RUNNING THE PROCEDURES THE CREW REPORTED THE MESSAGE WAS STILL POSTED. THE CREW DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. FOUND LEFT NR 3 OUTBOARD SLAT ACTUATOR TRIP INDICATOR IN TRIP POSITION RESET IAW CRJ AMM 27-81-09. THE OPERATIONAL CHECK WAS GOOD. COMPLIED WITH ETN-CR-27-084 FOR POSSIBLE WATER IN SLAT ACTUATOR. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: LENS — CRACKED (EXTERIOR) · airframe 5,771 hrs · 3,555 cycles

DURING MAINTENANCE INSPECTION FOUND THE RIGHT AFT EXTERIOR EMERGENCY LIGHT LENS CRACKED. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE RIGHT AFT EXTERIOR EMERGENCY LIGHT LENS IAW AMM 20-21-00. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: MANIFOLD — FAULTY (NG STEERING) · airframe 5,530 hrs · 3,404 cycles

ON FLIGHT 3749 THE CREW REPORTED THAT UPON DESCENT THE STEERING WAS INOPERABLE. THE CREW DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE STEERING MANIFOLD IAW CRF AMM 32-51-50. THE OPERATIONAL CHECK WAS GOOD IAW AMM 32-51-00. NO FURTHER DEFECTS NOTED. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: STEERING SYS — MALFUNCTIONED (NLG) · airframe 5,530 hrs · 3,404 cycles

ON FLIGHT 3722 THE CREW REPORTED THAT DURING CLIMB THEY RECEIVED A NOSE WHEEL STEERING INOPERABLE MESSAGE ON EICAS. THE CREW DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. RESET NOSE WHEEL STEERING SYSTEM PER AOM VOLUME 1 PAGE 130.12. SYSTEMS MESSAGE CLEARED. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: WARNING LIGHT — FALSE ACTIVATION · airframe 5,530 hrs · 3,404 cycles

DECENDING INTO ICING CONDITIONS RECEIVED WG A/ICE FAIL FOLLOWED BY ICE COND -AI INOP CMC = NO MESSAGES, PERFORMED OPS CHK IAW AMM 30-00-00-700-802-A, OPS CHK OK. VERIFIED PRESSURES AT EACH LOW PRESSURE MANIFOLD GREATER THAN 18 PSIG.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT)

MULTIPLE CAUTION MSG ON APPROACH, EMERGENCY DECLARED PERFORMED OPERATIONAL CHECK OF MULTIPLE SYSTEMS AND NO DISCREPANCY WERE FOUND.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 5,193 hrs · 3,200 cycles

SLAT FAIL CAUTION ON APPROACH. THE CREW DECLARED AN EMERGENCY. PERFORMED OPERATIONAL CHECK IAW CRJ AMM 27-52-00. FLAPS AND SLATS WORKING PROPERLY. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: COMPUTER — INOPERATIVE (AHARS) · airframe 3,897 hrs · 2,378 cycles

FLIGHT 3879, CREW REPORTED SHORTLY AFTER TAKE OFF, CAPTAIN`S AHARS WAS LOST THEN CAME BACK. ALL THREE HEADING INDICATIONS WERE OFF BY 30-40 DEGREES, THEN FIRST OFFICER’S AHARS WAS LOST UNTIL DOWNWIND INTO DESTINATION. DECLARED AN EMERGENCY AND RETURNED. AIRCRAFT LANDED WITHOUT INCIDENT AND REMOVED FROM SERVICE. REMOVED AND REPLACED NR 1 AND NR 2 ATTITUDE HEADING COMPUTERS IAW AMM 34-21-01. OPS CHECKED GOOD REF NRWCS 546O-ORD-00425 AND 546-ORD-00426. AIRCRAFT OK FOR SERVICE.

Part: MOTOR — DEFECTIVE (MAIN DOOR) · airframe 2,351 hrs · 1,448 cycles

ON FLIGHT 3697 THE CREW REPORTED THE MAIN DOOR WOULD NOT OPEN, CABLE STICKING INSIDE, OPEN ABOUT 6 INCHES, FINIALLY WAS ABLE TO OPEN. THE AIRCRAFT WAS REMOVED FROM SERVICE. INSPECTED AREA, FOUND DEFECTIVE POWER ASSIST MOTOR. REMOVED AND REPLACED POWER ASSIST MOTOR IAW CRJ 700 AMM 52-11-08. PIN PART NUMBNER: MS16562-192, COTTER PIN PART NUMBER: MS24655-134. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: DOOR — MALFUNCTIONED (CABIN) · airframe 2,308 hrs · 1,418 cycles

ON FLIGHT 4659 THE CREW REPORTED THE MAIN CABIN DOOR MOTOR STOP ABOUT 1 FOOT AND A HALF AND IS EXTREMELY HARD TO OPEN AND CLOSE. THE FLIGHT ATTENDANT SAID SHE NOTICED THE CABLE ON THE LEFT SIDE OF DOOR WAS VERY LOOSE. THE AIRCRAFT WAS REMOVED FROM SERVICE. VISUALLY INSPECTED DOOR CABLE TO DOOR AND MOTOR ASSEMBLY, FOUND NO DEBRIS OR OBSTRUCTION UPON UPWARD, CLOSE OPERATION. THE OPERATIONAL CHECK WAS GOOD IAW CRJ. THE AIRCRAFT WAS RETURNED TO SERVICE.

Part: LIGHT — MALFUNCTIONED (CABIN) · airframe 1,505 hrs · 956 cycles

FOR FLIGHT 3829 THE CREW FOUND NUMEROUS CABIN EMERGENCY LIGHTS INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. FOUND EMERGENCY LIGHTS TO OPERATE/ILLUMINATE IAW CRJ-700 AMM 33-51-00. NO PARTS REMOVED OR REPLACED. THE AIRCRAFT WAS RETURNED TO SERVICE.