N587NN

Part: INTERCOSTAL — CORRODED (ZONE 100) · airframe 19,192 hrs · 17,166 cycles

CORROSION ON INTERCOSTALS (2EAS) BTW FS349.00 TO FS364.00 NEAR STGR 27 AT MAIN AVIONICS COMPARTMENT. DUE FOR NOT ALLOWABLE DAMAGE ON INTERCOSTALS (2EAS) BTW FS349.00 TO FS364.00 NEAR STGR 27 AT MAIN AVIONICS COMPARTMENT WERE REPLACED PER CRJ900 SRM 53-21-23-101-003-A02, SRM 51-42-06-001-001-A01 AND SRM 51-42–21-001-001-A0

Part: DRAG ANGLE — CRACKED (ZONE 300) · airframe 19,192 hrs · 17,166 cycles

CRACK ON LEFT VERTICAL STABILIZER TO FUSELAGE ATTACHMENT FWD & AFT DRAG ANGLE BTW 55.625% STGR DATUM (TRACE AT BL0.00) TO STGR DATUM TO 67.5% REAR SPAR DATUM. LEFT VERTICAL STABILIZER TO FUSELAGE ATTACHMENT FWD & AFT DRAG ANGLE BTW 55.625% STGR DATUM (TRACE AT BL0.00) TO STGR DATUM TO 67.5% REAR SPAR DATUM WERE REPAIRED PER CRJ900 SRM 55-31-00-201-001-A01

Part: WEB — CRACKED (ZONE 100) · airframe 19,192 hrs · 17,166 cycles

CRACK ON ELECTRICAL BAY WEB FLOOR LH SIDE FS193. ELECTRICAL BAY WEB FLOOR LH SIDE FS193 WAS REPAIRED PER CRJ900 SRM 53-11-43-201-001-A01

Part: SUPPORT — CRACKED (ZONE 100) · airframe 19,192 hrs · 17,166 cycles

AFTER REMOVAL OF LOWER FUSELAGE FAIRINGS, CRACK ON AFT REFUEL DUCT MOUNTING SUPPORT BTW FS 677.00 TO FS 669.40, BTW STGR 22RH AND 21RH. AFT REFUEL DUCT MOUNTING SUPPORT BTW FS 677.00 TO FS 669.40, BTW STGR 22RH AND 21RH WAS REPAIRED PER REO 690-28-25-026 REV --.

Part: FLOORBEAM — CRACKED (ZONE 200) · airframe 19,192 hrs · 17,166 cycles

CRACKED CENTER COCKPIT FLOOR BEAM LBL12 AT FS 280.00 FLOOR INTERNAL SUPPORT STRUCTURE BELOW FLIGHT COMPARTMENT. COCKPIT FLOOR BEAM LBL12 AT FS 280.00 FLOOR INTERNAL SUPPORT STRUCTURE BELOW FLIGHT COMPARTMENT WAS REPAIRED PER REO 690-53-11-1863 REV.--

Part: SUPPORT PLATE — CORRODED (ZONE 100) · airframe 19,192 hrs · 17,166 cycles

CORROSION ON CONNECTORS SUPPORT PLATES LH/RH (PX33, PX17,) ON LH/RH MAIN WHEEL WELL. CORROSION ON CONNECTORS SUPPORT PLATES RH (PX33, PX17,) ON RH MAIN WHEEL WELL WAS REMOVED PER CRJ-900 SRM 51-21-06-001-001-A01 AND WAS EVALUATED IS OUT LIMITS PER CRJ900 SRM 53-00-00-101-001-A01 THEREFORE WAS REPLACED PER CRJ-900 SRM 51-42-21-001-001-A01.

Part: FLOORBEAM — CORRODED (ZONE 200) · airframe 19,192 hrs · 17,166 cycles

CORROSION ON FLOOR PANEL SUPPORT ANGLE UPPER FACE AT FS280.00 BTW RBL 9.00 AND LBL 9.00. CORROSION ON FLOOR PANEL SUPPORT ANGLE UPPER FACE AT FS280.00 BTW RBL 9.00 AND LBL 9.00 WAS REMOVED PER CRJ/900 SRM 51-21-06-001-001-A01 AND WAS EVALUATED IS OUT LIMITS PER CRJ/900 SRM 53-21-43-101-001-A03 THEREFORE WAS REPLACED PER CRJ-900 SRM 51-42-06-001-001-A01 AND CRJ-900 SRM 51-42-21-001-001-A01.

Part: FITTING — CORRODED (ZONE 200) · airframe 19,192 hrs · 17,166 cycles

PER ROBBERY PROCEDURE: REMOVE FLOOR FITTING SEAT TRACK P/N: A414251-1 OF FWD LAVATORY FROM A/C: N587NN TO BE INSTALLED ON A/C N588NN TO ATTEND NRC 0235 THEN INSTALL A SERVICEABLE UNIT ON A/C N587NN. FITTING PN: A414251-1 (1EA) AISLE CORNER AT FWD LAV WAS FABRICATED AND INSTALLED PER EA NO: A1-690-25-00315 SECTION III-PERMANENT REPAIR REV. (- -) DATE: 2024-10-17.

Part: SKIN — DENTED (ZONE 200) · airframe 19,192 hrs · 17,166 cycles

SEVERAL DENTS ON FUSELAGE SKIN, SETTLEMENT AREA OF LEFT AND RIGHT VENTRAL FIN FAIRING BTW FS 1069.75 TO REAR SPAR DATUM STABILIZER 67.5%, BTW STGR 22LH/RH TO STGR 21LH/RH. DENTS ON FUSELAGE SKIN, SETTLEMENT AREA OF LEFT AND RIGHT VENTRAL FIN FAIRING BTW FS 1069.75 TO REAR SPAR DATUM STABILIZER 67.5%, BTW STGR 22LH/RH TO STGR 21LH/RH WERE REPAIRED PER REO 690-53-00-581 REV -- AND REO 690-53-00-582 REV --.

Part: DRAG ANGLE — CRACKED (ZONE 300) · airframe 19,192 hrs · 17,166 cycles

CRACK ON RH VERTICAL STABILIZER TO FUSELAGE ATTACHMENT FWD DRAG ANGLE BTW 55.625% STGR DATUM (TRACE AT BL0.00) TO STGR DATUM TO 67.5% REAR SPAR DATUM. CRACK ON RH VERTICAL STABILIZER TO FUSELAGE ATTACHMENT FWD DRAG ANGLE BTW 55.625% STGR DATUM (TRACE AT BL0.00) TO STGR DATUM TO 67.5% REAR SPAR DATUM WAS REPAIRED PER CRJ900 SRM 55-31-00-201-001-A01

Part: HINGE — CORRODED (ZONE 600) · airframe 19,192 hrs · 17,166 cycles

CORROSION AT AILERON LUG R5 OF CENTER HINGE FITTING. LUG R5 OF CENTER HINGE FITTING WAS REPAIRED PER REO 670-57-61-237 REV - -

Part: CANISTER — CORRODED (ZONE 600) · airframe 19,192 hrs · 17,166 cycles

CRACK AT SLAT TRACK CANISTER WELDED BRACKET NO.3 (SLAT TRACK 1-3) WS 148.00, RH MAIN FUEL TANK. CRACK AT SLAT TRACK CANISTER WELDED BRACKET NO.3 (SLAT TRACK 1-3) WS 148.00, RH MAIN FUEL TANK WAS REPAIRED PER REO 670-57-42-577. REV.- -

Part: SEAT TRACK — CORRODED (ZONE 200) · airframe 19,192 hrs · 17,166 cycles

CORROSION ON RH SIDE SEAT RAIL BTW FS379.00 TO FS 720.85 (5EA). CORROSION ON RH SIDE SEAT RAIL BTW FS379.00 TO FS 720.85 (5EA) WAS REMOVED PER CRJ900 SRM 51-21-06-001-001-A01 AND WERE EVALUATED ARE WITHIN LIMITS PER CRJ-900 SRM 53-21-49-101-001-A01

Part: SEAT TRACK — CORRODED (ZONE 200) · airframe 19,192 hrs · 17,166 cycles

CORROSION ON LH SIDE SEAT RAIL BTW FS744.15 TO FS 969.00 (6EA). LH SIDE SEAT RAIL BTW FS744 TO FS761 WAS FOUND OUT OF LIMITS AND LH SIDE SEAT RAIL BTW FS762.85 TO FS 969.00 (5EA) WERE EVALUATED ARE WITHIN LIMITS PER CRJ-900 SRM 53-41-49-101-001-A02 AND LH SIDE SEAT RAIL BTW FS744 TO FS761 WAS REPLACED PER CRJ900 AMM 53-00-49 CONFIG.A12.

Part: SEAT TRACK — CORRODED (ZONE 200) · airframe 19,192 hrs · 17,166 cycles

CORROSION ON RH SIDE SEAT RAIL BTW FS744.15 TO FS 969.00 (6EA). RH SIDE SEAT RAIL BTW FS744.15 TO FS762.85 AND FS 786.15 TO FS830.40+45.60 (2EA) WERE EVALUATED OUT OF LIMITS AND RH SIDE SEAT RAIL BTW FS762.85 TO FS786.15 AND FS830.40+45.60 TO FS 969.0 (4EAS) WERE EVALUATED WITHIN LIMITS PER CRJ-900 SRM 53-41-49-101-001-A02 AND SIDE SEAT RAIL BTW FS744.15 TO FS762.85 AND FS 786.15 TO FS830.40+45.60 (2EA) WERE REPLACED PER CRJ900 AMM 53-00-49 CONFIG.A12

Part: SEAT TRACK — CORRODED (ZONE 200) · airframe 19,192 hrs · 17,166 cycles

CORROSION ON LH SIDE SEAT RAIL BTW FS379.00 TO FS720.85. CORROSION ON SEAT RAILS BTW FS379.00 TO FS 662.00 (5EA) WAS REMOVED PER CRJ900 SRM 51-21-06-001-001-A01 AND WERE EVALUATED WITHIN LIMITS PER CRJ900 SRM 53-21-49-101-001-A01; CRJ900 SRM 53-31-49-101-001-A02 AND SEAT RAIL BTW FS622 TO FS720 WAS EVALUATED OUT OF LIMITS PER CRJ900 SRM 53-21-49-101-001-A01 AND WAS REPLACED PER CRJ900 AMM 53-00-49 (CONFIG A12)

Part: SEAT TRACK — CORRODED (ZONE 200) · airframe 19,192 hrs · 17,166 cycles

INITAL INSPECTION SEVERAL CORROSION ON SEAT RAIL LBL9 LBL27 RBL9 TO FS688. CORROSION ON SEAT RAIL WERE REPLACED PER CRJ 900 AMM 53-00-49

Part: FLOOR SUPPORT — CORRODED (ZONE 100) · airframe 19,192 hrs · 17,166 cycles

CORROSION ON UPPER FACE OF FLOOR BEAM LBL9 BTW FS1015.00 TO FS1051.00 AT AFT BAGGAGE BAY CARGO COMPARTMENT FLOOR STRUCTURE. FLOOR BEAM LBL9 BTW FS1015.00 TO FS1051.00 AT AFT BAGGAGE BAY CARGO COMPARTMENT FLOOR STRUCTURE. WAS REPAIRED PER CRJ900 SRM 53-00-41-201-001-A03

Part: CANISTER — CORRODED (ZONE 500) · airframe 19,192 hrs · 17,166 cycles

CRACK AT SLAT TRACK CANISTER WELDED BRACKET NO.3 (SLAT TRACK 1-3) WS 148.00, LH MAIN FUEL TANK. CRACK AT SLAT TRACK CANISTER WELDED BRACKET NO.3 (SLAT TRACK 1-3) WS 148.00, LH MAIN FUEL TANK WAS REPAIRED PER REO 670-57-42-577. REV.- -

Part: FRAME — CORRODED (ZONE 100) · airframe 19,192 hrs · 17,166 cycles

CORROSION ON FRAME FS1088.20 BTW STGR 24RH AND STGR 23LH AT AFT BAGGAGE BAY COMPARTMENT (BELOW FLOOR). FRAME FS1088.20 BTW STGR 24RH AND STGR 23LH AT AFT BAGGAGE BAY COMPARTMENT (BELOW FLOOR) WAS EVALUATED OUT OF LIMITS PER CRJ900 SRM 53-61-06-101-003-A02 AND WAS REPLACED PER CRJ900 SRM 51-42-06-001-001-A01, CRJ900 SRM 51-42-21-001-001-A01 AND PER CRJ900 SRM 51-42-10-001-001-A01

Part: SEAT TRACK — CORRODED (ZONE 200) · airframe 19,192 hrs · 17,166 cycles

CORROSION ON NUT SUPPORT OF ENTRANCE COMPARTMENT AT FWD /INB POSITION. NUT SUPPORT OF ENTRANCE COMPARTMENT AT FWD /INB POSITION WAS EVALUATED OUT OF LIMITS PER CRJ900 SRM 53-00-00-101-001-A01 AND WAS REPLACED PER CRJ900 SRM 51-42-21-001-001-A01

Part: FRAME — CORRODED (ZONE 100) · airframe 19,192 hrs · 17,166 cycles

CORROSION ON FRAME FS= 319.70 BTW STRG 26LH TO 26RH AT MAINAVIONICSCOMPARTMENT. (E/E) CORROSION ON FRAME FS= 319.70 BTW STRG 26LH TO 26RH AT MAIN AVIONICS COMPARTMENT WAS REMOVED PERCRJ-900 SRM 51-21-06-001-001-A01 AND EVALUATED, THEREFORE IS WHITHIN OF LIMITS PER CRJ-900 SRM53-00-06-201-005-A01.

Part: INTERCOSTAL — WORN (ZONE 100) · airframe 19,192 hrs · 17,166 cycles

WEAR ON INTERCOSTAL LOCATED AT STRINGER 3 RH BTW FS 364.00 TO FS 379.00 AT PASSENGER COMPARTMENT INTERNAL STRUCTURE. INTERCOSTAL LOCATED AT STRINGER 3 RH BTW FS 364.00 TO FS 379.00 AT PASSENGER COMPARTMENT INTERNAL STRUCTURE WAS REPLACED PER DWG PLSH670-30202 REV. C AND PER CRJ900 SRM 51-42-21-001-001-A01

Part: JOINT — CORRODED (ZONE 100) · airframe 19,192 hrs · 17,166 cycles

CORROSION ON FUSELAGE CIRCUMFRENTIAL JOINTINTERFACE, BTW FS280.00/ FS282.86 AND STGR 26LH TO 25RH. CORROSION ON FUSELAGE CIRCUMFRENTIAL JOINTINTERFACE, BTW FS280.00/ FS282.86 AND STGR 26LH TO 25RH WAS REMOVED PER CRJ900 SRM 51-21-06-001-001-A01 AND WAS EVALUATED WITHIN LIMITS PER CRJ-900 SRM 53-00-00-101-001-A01

Part: RIB — DAMAGED (ZONE 500) · airframe 19,192 hrs · 17,166 cycles

DISCREPANCY: ELONGATED HOLE IN SETTLEMENT AREA OF ACCESS PANEL 572CT. TRAILING EDGE CLOSING RIB WAS REPLACED PER CRJ900 SRM 51-42-22-001-001-A01 AND PER CRJ900 SRM 51-42-21-001-001-A01.

Part: FRAME — CORRODED (ZONE 100) · airframe 19,192 hrs · 17,166 cycles

CORROSION ON FRAME FS= 310.00 BTW STRG 26LH TO 25RH AT MAIN AVIONICS COMPARTMENT. (E/E) CORROSION ON FRAME FS= 310.00 BTW STRG 26LH TO 25RH AT MAIN AVIONICS COMPARTMENT WAS REMOVED PERCRJ900 SRM 51-21-06-001-001-A01 AND WAS EVALUATED WITHIN LIMITS PER CRJ 900 SRM 53-00-06-201-005-A01

Part: FLOOR SUPPORT — CRACKED (ZONE 200) · airframe 19,192 hrs · 17,166 cycles

CRACK ON FLOOR BEAM RBL 12.0 BTW FS 221.73 TO FS 229.00 AT FWD FUSELAGE INTERNAL STRUCTURE (FLIGHT COMPARTMENT FLOOR STRUCTURE BELOW WL79.50). CRACK ON FLOOR BEAM RBL 12.0 BTW FS 221.73 TO FS 229.00 AT FWD FUSELAGE INTERNAL STRUCTURE (FLIGHT COMPARTMENT FLOOR STRUCTURE BELOW WL79.50) WAS REPAIRED PER REO 690-53-11-1866 REV. - -

Part: FRAME — CORRODED (ZONE 100) · airframe 19,192 hrs · 17,166 cycles

CORROSION ON FRAME FS295.00 BTW STGR 26LH TO STGR 26RH. CORROSION ON FRAME FS295.00 BTW STGR 26LH TO STGR 26RH WAS REMOVED PER CRJ900 SRM 51-21-06-001-001-A01 AND WAS EVALUATED WITHIN LIMITS PER CRJ900 SRM 53-21-06-101-002-A04

Part: CARGO TRACK — CORRODED (ZONE 100) · airframe 19,192 hrs · 17,166 cycles

CORROSION AND WEAR ON RAILS (05EAS) AT FWD BAGGAGE BAY COMPARTMENT. CORROSION AND WEAR ON RAILS (05EAS) AT FWD BAGGAGE BAY COMPARTMENT WAS REMOVED PER CRJ900 SRM 51-21-06-001-001-A01 AND CRJ900 SRM 51-12-00-001-001-A01 AND SEAT RAILS (3EAS) WERE EVALUATED WITHIN LIMITS AND RAILS (2EAS)(BA690-30002-45) WERE EVALUATED OUT OF LIMITS PER CRJ-900 SRM 53-00-00-101-001-A01, AND SEAT RAILS (2EAS)(BA690-30002-45) WERE VERIFY PER CRJ900 AIPC 25-51-02-01-PSA REV.G

Part: RIB — CRACKED (ZONE 600) · airframe 19,192 hrs · 17,166 cycles

CRACKED WING RIB SS 15.50 AT RH INB WING. CRACKED WING RIB SS 15.50 AT RH INB WING WAS REPAIRED PER REO 690-57-41-446 REV - -

Part: FRAME — CORRODED (ZONE 100) · airframe 19,192 hrs · 17,166 cycles

CORROSION ON INTERCOSTAL BTW FS349.00 TO FS364.00 STGR 26RH AT MAIN AVIONICS COMPARTMENT. CORROSION ON INTERCOSTAL BTW FS349.00 TO FS364.00 STGR 26RH AT MAIN AVIONICS COMPARTMENT WAS REMOVED PER CRJ900 SRM 51-21-06-001-001-A01 AND WAS EVALUATED WITHIN LIMITS PER CRJ900 SRM 53-21-23-101-003-A02.

Part: WEB — CRACKED (ZONE 100) · airframe 19,192 hrs · 17,166 cycles

CRACK ON ELECTRICAL BAY FLOOR WEB RH SIDE (BELOW ADG SUPPORT DOUBLER) FS193. CRACK ON ELECTRICAL BAY FLOOR WEB RH SIDE (BELOW ADG SUPPORT DOUBLER) FS193 WAS REPAIRED PER CRJ900 SRM 53-11-43-201-001-A01

Part: SKIN — CORRODED (ZONE 100) · airframe 19,192 hrs · 17,166 cycles

IN REFERANCE TO RC TRFKE001DESZ CORROSION ON INTERNAL SKIN CUTOUT SEAL SETTLEMENT AREA DOOR STRUCTURE AT MAIN AVIONICS COMPARTMENT. INTERNAL SKIN CUTOUT DOOR SURROUND STRUCTURE AT MAIN AVIONICS COMPARTMENT WAS REPAIRED PER 690-53-21-032 REV --.

Part: BRACKET — CORRODED (ZONE 800) · airframe 19,192 hrs · 17,166 cycles

CORROSION ON BRACKETS, MACHINED (9EAS) OF INTERNAL STRUCTURE AT FWD CARGO COMPARTMENT. BRACKETS, MACHINED (9EAS) OF INTERNAL STRUCTURE AT FWD CARGO COMPARTMENT WERE EVALUATED OUT OF LIMITS PER CRJ900 SRM 53-32-58-101-001-A01 AND WERE REPLACED PER CRJ900 SRM 51-42-22-001-001-A01; CRJ900 SRM 51-42-21-001-001-A01 AND CRJ900 SRM 51-42-10-001-001-A01

Part: FRAME — CORRODED (ZONE 100) · airframe 19,192 hrs · 17,166 cycles

CORROSION ON FRAME FS 349.00 BTW STGR 26RH AND STGR 26LH AT MAIN AVIONICS COMPARTMENT. CORROSION ON FRAME FS 349.00 BTW STGR 26RH AND STGR 26LH AT MAIN AVIONICS COMPARTMENT WAS REMOVED PER CRJ900 SRM 51-21-06-001-001-A01 AND EVALUATE WITHIN LIMITS PER CRJ900 SRM 53-21-06-101-006-A02

Part: PLATE — CORRODED (ZONE 100) · airframe 19,192 hrs · 17,166 cycles

CORROSION ONUPPER/LOWER FACE OF PLATES LBL 3.4 (PLATE 1) BTW FS533.00 AND FS 549.00 (PLATE 2) BTW FS 645.00 AND FS 661.00 AT FWD CARGO COMPARTMENT. PLATES LBL 3.4 (PLATE 1) BTW FS533.00 AND FS 549.00 (PLATE 2) BTW FS 645.00 AND FS 661.00 AT FWD CARGO COMPARTMENT WERE EVALUATED OUT OF LIMITS PER CRJ900 SRM 53-32-58-101-001-A01 AND WERE REPLACED PER CRJ-900 SRM 51-42-21-001-001-A01.

Part: ANGLE — CORRODED (ZONE 200) · airframe 19,192 hrs · 17,166 cycles

CORROSION ON MID CAP ANGLE AND LOWER ANGLE KICK PLATE ON STGR 18LH BTW FS 310.00 TO FS 349.00 AT PASSENGER DOOR FUSELAGE FRAME. MID CAP ANGLE AND LOWER ANGLE KICK PLATE ON STGR 18LH BTW FS 310.00 TO FS 349.00 AT PASSENGER DOOR FUSELAGE FRAME WERE EVALUATED OUT OF LIMITS PER CRJ900 SRM 53-21-23-101-001-A02 AND WERE REPLACED PER CRJ900 SRM 51-41-02-001-001-A01 AND PER CRJ900 SRM 51-42-06-001-001-A01

Part: MOUNT — CORRODED (ZONE 100) · airframe 19,192 hrs · 17,166 cycles

CORROSION WAS DETECTED IN THE ANGLED MOUNT (IN THE AREA COVERED BY THE PROTECTOR PLATE) BTW FS 319.70 AND FS 349.00. ANGLE MOUNTING BTW FS 319.70 AND FS 349.00 AT SERVICE DOOR SURROUND STRUCTURE WAS EVALUATED OUT OF LIMITS PER CRJ-900 SRM 53-21-23-101-002-A02 PAR.4 A AND CRJ-900 SRM 53-00-00-101-001-A01 AND REPLACED PER CRJ-900 SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01.

Part: RECEPTACLE — DAMAGED (ZONE 100) · airframe 19,192 hrs · 17,166 cycles

SPEED TAPE APPLIED - AOA VANE COVER WITHIN 4915 FLIGHT HOURS (19,990.25 FH), REPAIR OR REPLACE OF THE DISCREPANT ITEM IN ACCORDANCE WITH APPROVED PROCEDURES. RECEPTACLES (2EAS) WERE REPLACED PER CRJ900 SRM 51-42-06-001-001-A01.

Part: DRAG ANGLE — CRACKED (ZONE 300) · airframe 19,192 hrs · 17,166 cycles

CRACK ON RH VERTICAL STABILIZER TO FUSELAGE ATTACHMENT AFT DRAG ANGLE BTW 55.625% STGR DATUM (TRACE AT BL0.00) TO STGR DATUM TO 67.5% REAR SPAR DATUM. CRACK ON RH VERTICAL STABILIZER TO FUSELAGE ATTACHMENT AFT DRAG ANGLE BTW 55.625% STGR DATUM (TRACE AT BL0.00) TO STGR DATUM TO 67.5% REAR SPAR DATUM WAS REPAIRED PER CRJ900 SRM 55-31-00-201-001-A01

Part: HOUSING — WORN (ZONE 800) · airframe 19,192 hrs · 17,166 cycles

WEAR (02 LOCATIONS) ON EXTERNAL HANDLE HOUSING OF THE AFT BAGGAGE BAY DOOR. (C2). EXTERNAL HANDLE HOUSING OF THE AFT BAGGAGE BAY DOOR WAS REPAIRED PER REO 670-52-31-031 REV. -B

Part: PSEU — INOPERATIVE (MLG) · airframe 18,373 hrs · 16,441 cycles

GEAR DISAGREE WARNING MESSAGE ON APPROACH TO LANDING. RE-CYCLED, SAME MSG, RAN QRC/QRH CHECKLIST. MANUAL GEAR EXTENSION SUCCESSFUL. UPON LANDING NOSEWHEEL STEERING INOP / REMOVED AND REPLACED PSEU. PERFORMED EXTENSION RETRACTION OPERATIONAL TEST AGAIN, NO FAULTS FOUND. ALL WORK PERFORMED IAW CRJ 900 AMM 32-61-01-400-801-A01, 32-31-01-400-802-A01, 32-30-00-710-801-A01.

Part: INDICATOR — UNSERVICEABLE (FUEL QTY) · airframe 18,052 hrs · 16,173 cycles

XFLOW PUMP CAUTION MSG IN FLIGHT / DEFERRED XFLOW PUMP PER MEL 28-13-10 CAT C, M/FC FUNCTION C/W BY PULLING AND COLLARING CBP1 S5 AND CBP2 R7 / INTERROGATED MDC. FOUND B1-006805. T/S SYSTEM IAW CRJ900 FIM 28-41-22-810-802-A01-PSA. REMOVED AND REPLACED FGQC IAW CRJ900 AMM 28-41-22-000/400-801-A01. OPS CHECKED SYSYEM IAW CRJ900 AMM 28-41-22-710-810. OPS CHECKED GOOD AT THIS TIME. THIS CLEARS MEL.

Part: SKIN PANEL — DAMAGED (UNKNOWN) · airframe 16,157 hrs · 14,561 cycles

LEFT FUSELAGE HAS DAMAGE BELOW N AND E IN THE LOGO ( DENT ABOUT 3 INCHES)

Part: HARNESS — FAULT MESSAGE (700) · airframe 12,911 hrs · 11,756 cycles

ANTI-SKID CAUTION OUTBOARD MESSAGE APPEARED ON APPROACH WHEN GEAR LOWERED. CREW DID A GO AROUND, RAN THE QRH AND DECLARED AN EMERGENCY. LANDED WITH NO ISSUES. DEF A/SKID OB CHANNEL PER MEL 32-44-01-2 CAT B. M/FUNCTION C/W. C/W OPS CHECK OF THE BRAKE SYSTEM PER AMM 32-43-00-710-801. REMOVED ROB PROXY HARNESS IAW CRJ 900 AMM 32-61-05-000-803-A01 STEPS 4A(3) THRU END OF TASK AND INSTALLED NEW HARNESS IAW CRJ 900 AMM 32-61-05-400-803-A01. SYSTEMS OPS CHECK GOOD AT THIS TIME. THIS CLEARS MEL.

Part: ANTI-SKID SYS — FALSE INDICATION · airframe 12,906 hrs · 11,751 cycles

ON APPROACH, AS GEAR WAS PUT DOWN, CREW RECEIVED ANTI-SKID OUTBOARD FAULT AND OUTBOARD GROUND SPOILER FAULT MESSAGE. CREW DID A GO AROUND, RAN QRH AND REQUESTED 23R FOR LONGER LANDING DISTANCE. FLIGHT DECLARED AN EMERGENCY, NO BRACE, TRUCKS DID ROLL. FLIGHT LANDED WITHOUT INCIDENT ON 23R AND WAS ABLE TO TAXI TO GATE B8 WITH NO FURTHER ISSUES. OB A/SKID CAUTION MESSAGE ON APPROACH / C/W OPS CHECK OF THE A/SKID CONTROL SYSTEM IAW CRJ 900 AMM 32-44-00-710-801-A01. OP CK GOOD AT THIS TIME. C/W OPS CHECK OF THE SSCUS (SPOST 1) IAW CRJ 900 AMM 27-61-05-740-802-A01. OPS CHECK GOOD AT THIS TIME.

Part: CONTROL UNIT — UNSERVICEABLE (ZONE 700) · airframe 12,855 hrs · 11,713 cycles

ANTISKID OUTBOARD BECAME INOPERATIVE ON DESCENT INTO MSN. THE FLIGHT DIVERTED TO ORD. THEY DECLARED AN EMERGENCY, DID NOT BRACE, AND DID NOT LAND OVERWEIGHT. ANTI/SKID OUTBOARD CAUTION MSG IN FLIGHT / DEFERRED ANTI-SKID SYSTEM OUTBOARD CHANNEL PER MEL 32-44-01-2 CAT B. C/W M FUNCTION BY PERFORMING OPS CHECK OF BRAKE SYSTEM IAW CRJ 900 AMM 32-43-00-710-801. INTERROGATED MDC AND FOUND NO CURRENT FAULTS, MDC HISTORY HAD B1 CODES 006057, 006058, & 007479. REMOVED & VISUALLY INSPECTED R/H O/B MLG WHEEL SPEED TRANSDUCER AND ASSOCIATED WIRING AND REINSTALLED IAW CRJ 900 AMM 32-44-01-000/400-801. PERFORMED CONTINUITY CHECK OF ASCU A165P1 PIN 51 TO 50 NO OPEN CIRCUIT. REMOVED AND REPLACED ASCU IAW CRJ 900 AMM 32-44-06-000/400-801 OP CHECK AND BITE CHECK GOOD THIS CLEARS MEL

Part: FLOORBEAM — CORRODED (ZONE 100) · airframe 11,990 hrs · 10,956 cycles

MOISTURE/CORROSION ON FLOOR STRUCTURE. PERFORMED NITTO 11611MB TAPE INSTALLATION (MAJOR ALTERATION)I/A/W PSA T.O 53-079-001-17 AND FFA FORM 8110-3 TP U9-0229 REV A DATED 5/23/2018. FOR DETAILS SEE AAR W/O 1019553 1000-0076.

Part: CABIN PRESSURE — MALFUNCTIONED · airframe 11,142 hrs · 10,160 cycles

AIR RETURN TO OMA DUE TO AIRCRAFT NOT PRESSURIZING. FLIGHT LANDED SAFELY AND NOT OVERWEIGHT. INTERROGATED MDC AND FOUND NO CURRENT FAULTS OR HISTORICAL FAULT CODES POSTED ON THE PREV FLT LEG, INSPECTED OUTFLOW VALVE FOR FOD INGESTION NO FOD FOUND IN VALVE, PERFORMED OPERATIONAL CHECK OF THE CABIN PRESSURIZATION SYSTEM IN AUTO AND MANUAL MODES IAW CRJ900 AMM21-31-00-710-801/802, AND FUNCTIONAL TEST OF THE OUT FLOW VALVE IAW CRJ900 AMM21-31-01-720-801-A01 SYSTEM OPS CHECKS GOOD AT THIS TIME AIRCRAFT OK FOR SERVICE.

Part: WIRE — BROKEN (RT TRANSDUCER) · airframe 11,069 hrs · 10,097 cycles

CREW RECEIVED A OUTBOARD ANTI SKID MESSAGE INBOUND TO FSD. THEY RAN THE QRH AND DECLARED A EMERGENCY. THE CREW DID NOT HAVE THE PASSENGERS BRACE BUT EMERGENCY VEHICLES WERE ON STANDBY UPON LANDING IN FSD BUT NOT NEED. AFTER THEY ENTERED TAXIWAY THE EMERGENCY VEHICLES WERE CALLED OFF AND THE AIRCRAFT WAS ABLE TO TAXI SAFELY TO A GATE UNDER THEIR OWN POWER WITHOUT ANY FURTHER ISSUES. REMOVED R/H OB WHEEL TRANSDUCER FOUND BROKEN WIRES RE-PINED WIRES AND INSTALLED WHEEL TRANSDUCER IAW CRJ900 ESPM 20-16-00, CRJ900 AMM 32-44-01-000/400-801. OPS CK GOOD

Part: A/C PACK — OVERHEATED (RT A/C PACK) · airframe 10,630 hrs · 9,693 cycles

WHILE AT THE GATE THE RT PACK OVERHEATED AND CAUSED A SMALL AMOUNT OF SMOKE IN THE CABIN. PASSENGERS WERE DEPLANED WITH NO ISSUES VIA THE JETBRIDGE THAT WAS STILL ATTACHED. THE RIGHT HAND PACK WAS TURNED OFF AND RECIRCULATION FANS BROKE UP ANY SMOKE QUICKLY. THE RT PACK WAS DEFERRED AND THE FLIGHT PUSHED WITH A MINIMAL DELAY.

Part: BLANKING PLATE — DAMAGED (AFT LAVATORY) · airframe 9,525 hrs · 8,702 cycles

AFT LAV SINK CONTINUOUSLY RUNNING 25 MIN OUT FROM VPS. THE POT WATER RAN OUT AND MADE THE THE MOTOR OVER HEAT. THE CREW RAN THE QRH AFTER THE RECEIVED AN AFT LAV SMOKE DETECTOR WARNING MESSAGE. THEY DID DECLARED AN EMERGENCY AND TRUCKS DID ROLL BUT NOT NEEDED AND THEY WERE ABLE TO TAXI TO A GATE WITHOUT ANY OTHER ISSUES. AFT LAV SINK ENTERED ON NEF AND AFT POTABLE WATER DEFERRED. REMOVED AFT LAVATORY FAUCET, FOUND BLANKING PLUG AND MAIN PORT TO BE DAMAGED AND CORRODED. R+R AFT LAV PLUGS, FULL FAUCET AND DRAIN ASSY. , AND FAUCET IAW CRJ-900 VCMM AND CRJ-900 AMM. OPS/LEAK CHECK GOOD. NO DEFECTS NOTED AT THIS TIME. [THIS CLEARS NEF].

Part: ECU — FAILED (NLG STEERING) · airframe 7,318 hrs · 6,791 cycles

NWS CAUTION MSG INFLIGHT. CRWE DECLARED AN EMERGENCY AND LANDED WITH OUT INCIDENT. MAINTENANCE REMOVED AND REPLACE NWS ECU, OPS TEST GOOD AND RIGGING PASSED. NO OTHER DEFECTS NOTED AT THIS TIME.

Part: UNKNOWN — ODOR (CABIN) · airframe 6,689 hrs · 6,188 cycles

CAPT. PERCEIVED FUMES IN FLIGHT DECK UPON DEPARTURE OUT OF CLT. DECLARED AND EMERGENCY AND RETURN TO FIELD. LANDED AND CANCELED EMERGENCY, FIRE EQUIPMENT RESPONDED AND WENT TO THE GATE TO DEPLANE. MAINTENANCE THEN PERFOEMD HIGH POWER ENG RUNS TO CLEAN OUT THE COMPRESSOR AND ALL FUMES WERE CLEARED. AIRCRAFT WAS RETURNED TO SERVICE.

Part: APU — ODOR (APU BAY) · airframe 5,553 hrs · 5,186 cycles

JUST AFTER PUSH BACK, THE CREW REPORTED AN ODOR IN THE CABIN THAT THEY BELIEVE WAS A BURNING SMELL. THE AIRCRAFT RETURNED TO THE GATE AND MAINTENANCE DEFERRED THE AUXILIARY POWER UNIT. MX INSPECTED APU WIRING AND LOAD CONTROL VALVE, FOUNND NO DEFECTS. RAN APU FOR 1HR DID NOT SMELL ANY ELECTRICAL BURNING. APU GEN OPS CHECKS GOOD IAW CRJ 900 AMM 24-22-01-710-801.

Part: SPOILER SYS — MALFUNCTIONED · airframe 2,415 hrs · 2,230 cycles

OUTBOARD SPOILERON AND FLIGHT SPOILER FAILED ON APPROACH, AN EMERGENCY WAS DECLARED. PERFORMED SPOST 2 AND SPOILER OPS CHECK, OPS CHECKED GOOD.

Part: WARNING MESSAGE — FALSE ACTIVATION (TE FLAPS) · airframe 132 hrs · 123 cycles

FLAPS HALF SPEED, SPOILER STAB FAULT. THE CREW DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT. MAINTENANCE CLEARED FLAPS HALF SPEED INHIBITS, PERFORMED CHECKS IAW THE AMM AND THE ACFT WAS RELEASED FOR SERVICE.