N162PQ

Part: HAND RAIL — UNSAFETIED (PAX DOOR) · airframe 36,203 hrs · 26,014 cycles

PASSENGER DOOR HANDRAILS NOT THE SAME LENGTH CAUSING AN UNSAFE CONDITION (FILED CLOSED)REMOVED AND REPLACED PASSENGER DOOR FWD HANDRAIL IAW AMM 52-11-05

Part: UNKNOWN — GOUGED (UNKNOWN) · airframe 35,394 hrs · 25,073 cycles

UPON INSPECTION OF RH UPPER OB TRANSCOWL NYLON TRACK, FOUND TWO GOUGES MEASURING 0.16 AND 0.18 BETWEEN THE TWO ATTACHMENT HOLES (FILED CLOSED)PERFORMED TEMPORARY REPAIR OF RH UPPER OB TRANSCOWL NYLON TRACK TWO GOUGES MEASURING 0.16 AND 0.18 BETWEEN THE TWO ATTACHMENT HOLES AND REPAIRED THE 2 DAMAGED NYLON INSERT BOLT HOLES IAW CRJ 200 REO 690-54-22-057 REV D DATED 2023-06-21.EDDY CURRENTS/N: 60009184667CAL DUE: 12/02/2023

Part: UNKNOWN — DAMAGED (UNKNOWN) · airframe 35,394 hrs · 25,073 cycles

MISDRILLED HOLE IN STRINGER 23L BETWEEN FS1108.00-FS1116.20. (FILED CLOSED)REPAIRED MISDRILLED HOLE IN STRINGER 23L BETWEEN FS1108.00 AND FS1116.20 IAW REO 690-53-61-1233 REV.-- DATED 2023-06-05

Part: NONE — CRACKED · airframe 34,906 hrs · 24,616 cycles

CRACK FOUND MEASURING 1.5" IN LOWER AFT DOOR TRACK BRACKET (P/N: MM670-35552-005) OF AFT CARGO BAY. (FILED CLOSED)REMOVED AND REPLACED THE AFT DOOR TRACK BRACKET P/N MM670-35552-005 ON THE AFT CARGO BAY AS REQUIRED. REF. SRM 51-42-06 AND 51-42-21

Part: UNKNOWN — WARNING MESSAGE (UNKNOWN) · airframe 34,821 hrs · 24,542 cycles

ANTI ICE DUCT WARNING MESSAGE WHICH TURNED TO A CAUTION MESSAGE DURING APPROACH. ANTI ICE WAS SELECTED ON WHEN MESSAGE OCCURRED. (FLIGHT 3540 FILED CLOSED)PERFORMED OPERATIONAL TEST OF THE BLEED-AIR LEAK-DETECTION AND WARNING SYSTEM IN REF TO CRJ900 AMM 36-21-00. ALSO PERFORMED SELF CHECK OF AILC. NO CORRELATED MDC MESSAGES. COULD NOT DUPLICATE FAULT. OPS CHK NORMAL ON GROUND

Part: NONE — CORRODED · airframe 34,797 hrs · 24,516 cycles

SUSPECTED CRACK ON LOWER FORWARD FUSELAGE. RIGHT HAND AFT CORNER OF THE N/L/G WHEEL WELL CUT-OUT. (C-CHECK RO 2/14/2023) REPAIRED CRACK BY COMPLYING WITH REO 601R-53-11-048 REV D, DATED 2015-06-10, AND REO 601R-53-11-3822, CRJ-200 SRM 51-42-06 REV 39, DATED MAR 10/21, CRJ-200 SRM 51-42-06 REV 39, DATED MAR10/21 . SEE CONTINUE CARD FOR DETAILS OF WORK PERFORMED COMPLIED WITH 51-900-1003-SKY. LEAK CHECK GOOD.

Part: NONE — SMOKE · airframe 34,217 hrs · 24,010 cycles

LIGHT GRAY SMOKE IN CABIN AFTER LANDING BEFORE APU WAS BROUGHT UP. STRONG BURNING SMELL SIMILAR TO FIREWORKS. SMOKE WAS LOCATED IN MIDDLE OF CABIN. BOTH PILOTS WERE ABLE TO SMELL THE SMOKE IN COCKPIT DURING THE LANDING PHASE. (FLIGHT #3571 FILED CLOSED) COMPLIED WITH FIM TASK 21-22-00-810-806 FOR SMOKE/ ABNORMAL SMELL. FOUND NO ISSUE WITH CABIN LIGHTING SYSTEMS INCLUDING BALLAST. ISOLATED ISSUE TO THE FAILURE OF THE LT ACM. SEE AML # 990783 FOR DEFERRAL OF THE LT ACM.

Part: NONE — ODOR · airframe 33,760 hrs · 23,611 cycles

AFTER TAKEOFF WE HAD AN ELECTRIC BURN SMELL - NO INDICATION ASSOCIATED AN THE SMELL WENT AWAY AFTER A FEW MINUTES (FLIGHT 3572 - FILED CLOSED) COMPLIED WITH FIM TASK 21-21-00 AND FIM TASK 21-22-00. WHEN TALKING TO CREW THEY SAID BURNING SMELL WAS ON TAKE OFF FOR A COUPLE OF MIN. THEN DISAPPEARED AND DID NOT RETURN, WITH ENGINES OPERATING ONLY. SMELL WAS THROUGH WHOLE AIRCRAFT MEANING BOTH CABIN AND FLIGHT DECK. ACCOMPLISHED FIM 21-22-00 SECT. C, PARTS 7 AND 9. FIG. 206 AND FIG. 208 FOR CONTAMINATED PNEUMATIC SYSTEM DUE TO COMPRESSOR WASH. PERFORMED DRYING RUN PER 72-00-00-100-801 SECTION G NO SMELL REMAINS IN PNEUMATIC SYSTEMS. CHECKED NUMEROUS ELECTRICAL SYSTEMS AND RECIRCULATION FANS. PNEUMATIC SYSTEMS OPS CHECK GOOD AT THIS TIME REF. AMM 21-51-00.

Part: NONE — NOISY · airframe 32,710 hrs · 22,645 cycles

WHEN WE WERE ABOUT 1 HOUR OUT OF IAH THE FAS CALLED US AND SAID THERE WAS A VERY LOUD FLATTERING/RUMBLING NOISE FROM THE BACK RIGHT SIDE OF THE PLANE FROM ABOUT THE EXIT ROW BACK. MY FIRST OFFICER WENT BACK TO CHECK IT OUT AND SAID IT WAS EXTREMELY LOUD AND NOT NORMAL, SO I WENT BACK TO DO THE SAME AND HEARD THE SAME LOUD UNUSUAL RUMBLE. ON THE ARRIVAL IT WENT AWAY BUT WHEN WE WOULD BE BETWEEN 34-44% N1 IT WAS NOTICEABLE IN THE COCKPIT. FA ALSO ADVISED US ON THE GROUND AT IDLE IT WAS LOUD AGAIN. (FLIGHT 3557 - FILED CLOSED) PLEASE REFERENCE AML 790643 INSPECTION OF DUCTS AND ENGS PLEASE REFERENCE AML 791277 BORESCOPE INSPECTION PLEASE REFERENCE AML 793038 #2 FAN BLADE PIN CHANGES PLEASE REFERENCE AML 793039 R&R MAIN AND SLAVE VG ACTUATORS. PLEASE REFERENCE AML793488 #2 ENG FAN VIBE CHECK PLEASE REFERENCE AML 792303 #EDP R&R PLEASE REFERENCE AML 79264 FOR #2 ENG IDG R&R PLEASE REFERENCE AML 792646 AIR TURBINE STARTER R&R PLEASE REFERENCE AML 792302 #2 ENG CHIP DETECTOR CHECK. SO AFTER ALL THESE COMPONENTS AFTER SEVERAL ENGS RUNS IN REF TO AMM 71-00-00. NO LOUD SOUNDS OR HIGH VIBES THAT ARE ABNORMAL. AIRCRAFT GOOD FOR SERVICE

Part: MANIFOLD — FAILED (NLG STEERING) · airframe 31,492 hrs · 21,767 cycles

NOSE WHEEL STEERING CAUTION MESSAGE APPEARED AFTER RETRACTING LANDING GEAR. RAN QRH AND RETURNED TO DTW. ONCE ON THE GROUND, NOSE WHEEL STEERING WOULD NOT RESET AND WE WERE TOWED TO THE GATE. (FLIGHT 3584 - FILED CLOSED) THIS DISCREPANCY WAS TRANSFERRED TO CAMP ITEM 22964675 WITH THE FOLLOWING CORRECTIVE ACTION: "REF. CP #22965352-1 FOR TROUBLESHOOTINGREMOVED AND REPLACED NLG STEERING MANIFOLD ASSY. IAW CRJ 900 AMM 32-51-50. OPS AND LEAK CHECK GOOD."

Part: FRAME — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

FRAME @ FS969.00 CORRODED BETWEEN STRINGERS 26L & 27. (C-CHECK) RO 3/4/2021 REMOVED AND INSTALLED NEW REPLACEMENT LOWER FRAME SECTION AT FS.969.00 BETWEEN STGR25R AND STGR25L (FRAME SPLICE AT STGR25R AND STGR25L) REF DWG# SH690-37060 REV-AC, CRJ-900 SRM 51-42-06-001-001-A01 AND CRJ-900 SRM 53-00-06-201-001-A03. COMPLIED WITH SKYWEST TASKCARD 51-900-1002-SKY. PRESSURE CHECK GOOD.

Part: FRAME — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

FRAME @ FS927 IS CORRODED FROM STRINGER 25L-25R (C-CHECK) RO 3/4/2021 REPLACED FS927 FRAME BETWEEN STR 25L-25R REF DWG SH690-37060 REV. C, CRJ900 SRM 51-42-06-001-001-A01, AND CRJ900 SRM 51-42-21-001-001-A01. COMPLIED WITH 51-900-1002-SKY. LEAK CHECK GOOD.

Part: CHANNEL — CRACKED (BELLY FAIRING) · airframe 30,869 hrs · 21,331 cycles

AFT BELLY FAIRING CHENEL IS CRACK P/N CC690-39251-1 (C-CHECK) RO 3/4/2021 REMOVED AND INSTALLED NEW AFT BELLY FAIRING CHANEL IAW CRJ 900 SRM 51-42-13-001-001-A01

Part: BRACKET — CRACKED (RT NACELLE) · airframe 30,869 hrs · 21,331 cycles

RH LOWER TRANSCOWL NESTED "A" BRACKETS CRACKED AT INBOARD AND OUTBOARD FWD POSITIONS. (C-CHECK) RO 3/4/2021 NEW "A" BRACKETS INSTALLED AT INBOARD AND OUTBOARD FWD POSITIONS PER REO 670-54-21-971 REV A, DATED 2017-05-11 AND CRJ 900 SRM 51-42-14-001-001-A01 AND CRJ900 SRM 51-42-20-001-001-A01. COMPLIED WITH 51-900-1002-SKY.

Part: BRACKET — CRACKED (LT NACELLE) · airframe 30,869 hrs · 21,331 cycles

LH UPPER TRANSCOWL "A" BRACKET CRACKED AT FWD INBOARD POSITION. (C-CHECK) RO 3/4/2021 NEW "A" BRACKET INSTALLED PER REO 670-54-21-971 REV A, DATED 2017-05-11 AND CRJ900 SRM 51-42-14-001-001-A01 AND CRJ900 SRM 51-42-20-001-001-A01. COMPLIED WITH 51-900-1002-SKY.

Part: SKIN — CHAFED (RT NACELLE) · airframe 30,869 hrs · 21,331 cycles

R/H EGINE UPPER TRANSCOWL SKIN IS CHAFED NEAR FWD LATCH CATCHREPAIRED RH ENGINE UPPER TRANS-COWL SKIN NEAR FWD LATCH CATCH REF REO 690-54-21-373 REV.--DATED 2021-02-20 ALL STEPS COMPLETED. COMPLIED WITH 51-900-1002-SKY.

Part: STRINGER — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

STRINGER 21 RH AT FS.469.00 HAS CORROSION. (C-CHECK) RO 3/4/2021 REPAIRED STRINGER 21R BETWEEN FS453.00 & FS469.00 PER CRJ-900 SRM 53-00-03-201-001-A02. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: STRINGER — CORRODED (ZOINE 100) · airframe 30,869 hrs · 21,331 cycles

STRINGER 21 RH AT FS.485.00 HAS CORROSION. (C-CHECK) RO 3/4/2021 REPAIRED STRINGER 21R FS485.00-501.00 PER SRM 53-00-03-201-001-A02 CRJ 900SRM 51-21-06-001-001-A01. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY. NO LEAKS NOTED

Part: DOOR SILL — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

CORROSION FOUND ON PASSENGER DOOR SURROUND LOWER SILL AT CENTER DRAIN HOLE OPENING. (C-CHECK) RO 3/4/2021 REPAIRED PAX DOOR LOWER SILL @ FWD DRAIN HOLE PER REO 690-53-21-1326 REV --, DATED 2021-02-19. SEE CONTINUATION CARD FOR DETAILS.

Part: INTERCOSTAL — CORRODED (PAX DOOR) · airframe 30,869 hrs · 21,331 cycles

PAX DOOR DD7A INTERCOSTAL HAS CORROSION (C-CHECK) RO 3/4/2021 REPLACED PAX DOOR INTERCOSTAL DD7A REF CRJ900 SRM 51-42-06-001-001-A01 & DRAWING 601R31702 REV N. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.PRESSURE LEAK CHECK GOOD.

Part: INTERCOSTAL — CORRODED (PAX DOOR) · airframe 30,869 hrs · 21,331 cycles

PAX DOOR AFT DD3 INTERCOSTAL HAS CORROSION (C-CHECK) RO 3/4/2021 REMOVED AND INSTALLED NEW AFT DD3 INTERCOSTAL IAW CRJ 900 SRM 51-42-06-001-001-A01 AND BOMBARDIER DWG 601R31702 REV. N. / SEE CONTINUE CARD FOR DETAILS. / COMPLIED WITH SKYWEST TASK CARD #51-900-1002-SKY, PRESSURE CHECK GOOD.

Part: SKIN — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

DURING MAIN AVIONICS BAY DOOR CUT-OUT INNER SKIN REINSPECT FOUND CORROSION ON FWD SIDE OF CUT-OUT FROM FS364.00 TO FS370.00 (C-CHECK) RO 3/4/2021 COMPLIED WITH GENERIC DISPOSITION FOR DAMAGE AT AVIONICS DOOR SURROUND SKIN INNER SURFACE BETWEEN FS364.00 AND FS394.00. ORIGINAL MATERIAL THICKNESS OF INNER SKIN IS .120. MATERIAL THICKNESS OF SKIN AFTER BLEND IS .111. MAX ALLOWABLE MATERIAL LOSS IS .040, ACTUAL MATERIAL LOSS IS .009 AND IS FOUND TO BE WITHIN LIMITS REF. REO 690-53-21-032 REV. -- DATED 2008/03/07. COMPLIED WITH 51-900-1002-SKY

Part: INSERT — DAMAGED (RT NACELLE) · airframe 30,869 hrs · 21,331 cycles

R/H ENGINE LOWER O/B TRANSCOWL TRACK NYLON INSERT ATTATCH HOLES ARE ELONGATED IN THE LATCH BEAM. (C-CHECK) RO 3/4/2021 REPAIRED RH ENGINE LOWER O/B TRANS-COWL TRACK NYLON INSERT ATTACH HOLES ON LATCH BEAM REF REO 690-54-22-018 REV.-- DATED 2021-02-04 COMPLIED WITH51-900-1002-SKY, COMPLETED FORM M-337. SEE CONTINUATION CARD FOR DETAILS.

Part: STRINGER — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

MAIN AVIONICS BAY STR 27 CORRODED BETWEEN FS310 TO FS333 (C-CHECK) RO 3/4/2021 REPLACED STRINGER 27 FROM FS310.00-333.00 REF CRJ900 SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01 & DRAWING SH670-31630 REV K. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: INTERCOSTAL — CORRODED (PAX DOOR) · airframe 30,869 hrs · 21,331 cycles

PAX DOOR MID DD3 INTERCOSTAL HAS CORROSION (C-CHECK) RO 3/4/2021 REPLACED PAX DOOR MID DD3 INTERCOSTAL PER CRJ-900 SRM 51-42-06-001-001-A01, CRJ-900 SRM 51-42-21-001-001-A01 & DRAWING 601R31702 REV N. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: FRAME — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

MAIN AVIONICS BAY FS319.70 LOWER FRAME CORRODED BETWEEN STR 26L AND STR 26R (C-CHECK) RO 3/4/2021 REPLACED LOWER FRAME SECTOR AT FS319.70 FROM STRINGER 25L TO 23R REF CRJ900 SRM 53-00-06-201-006-A01, SRM 51-42-06-001-001-A01 & SRM 51-42-21-001-001-A01. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: DOOR FRAME — CORRODED (ZONE 200) · airframe 30,869 hrs · 21,331 cycles

PAX DOOR FRAME F/S 313.56 BETWEEN FWD DD4 AND DD5 INTERCOSTAL HAS CORROSION (C-CHECK) RO 3/4/2021 REPLACED PAX DOOR FRAME AND CLEAT @ FS313.56, BETWEEN FWD DD4 AND DD5 INTERCOSTALS PER CRJ-900 SRM 51-42-06-001-001-A01 & DRAWING 601R31702 REV N. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: FORMER — CORRODED (PAX DOOR) · airframe 30,869 hrs · 21,331 cycles

PAX DOOR FORMER F/S 329.50 BETWEEN DD2 AND DD3 INTERCOSTAL HAS CORROSION (C-CHECK) RO 3/4/2021 REPLACED PAX DOOR FORMER @ FS329.50, FROM DD2 INTERCOSTAL AND DD3 INTERCOSTAL REF CRJ900 SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01 & DRAWING 601R31702 REV N. SEE CONTINUATION CARD FOR DETAIL. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: INTERCOSTAL — CORRODED (PAX DOOR) · airframe 30,869 hrs · 21,331 cycles

PAX DOOR AFT DD4 INTERCOSTAL HAS CORROSION (C-CHECK) RO 3/4/2021 REPLACED PAX DOOR AFT DD4 INTERCOSTAL PER SRM 51-42-06-001-001-A01 & BOMBARDIER DRAWING #601R31702 REV N. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY. LEAK CHECKS GOOD.

Part: INTERCOSTAL — CORRODED (PAX DOOR) · airframe 30,869 hrs · 21,331 cycles

PAX DOOR AFT DD2 INTERCOSTAL HAS CORROSION (C-CHECK) RO 3/4/2021 REPLACED PAX DOOR AFT DD2 INTERCOSTAL REF DWG 601R31702 REV. N, CRJ900 SRM 51-42-06-001-001-A01. LEAK CHECK GOOD. COMPLIED WITH 51-900-1002-SKY.

Part: INTERCOSTAL — CORRODED (PAX DOOR) · airframe 30,869 hrs · 21,331 cycles

PAX DOOR FWD DD2 INTERCOSTAL HAS CORROSION (C-CHECK) RO 3/4/2021 REPLACED PAX DOOR FWD DD2 INTERCOSTAL PER SRM 51-42-06-001-001-A01 & DRAWING 601R31702 REV N. SEE CONTINUATION CARD FOR DETAILS. LEAK CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: FORMER — CORRODED (PAX DOOR) · airframe 30,869 hrs · 21,331 cycles

PAX DOOR FORMER F/S 320.163 HAS EXFOLIATED CORROSION (C-CHECK) RO 3/4/2021 REPLACED PAX DOOR FORMER AT FS320.163 PER CRJ-900 SRM 51-42-06-001-001-A01, CRJ-900 SRM 51-42-21-001-001-A01 & DRAWING 601R31702 REV N. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: FORMER — CORRODED (PAX DOOR) · airframe 30,869 hrs · 21,331 cycles

PAX DOOR FWD FORMER F/S 311.75 HAS EXFOLIATED CORROSION (C-CHECK) RO 3/4/2021 REPLACED PAX DOOR FWD FORMER AT FS311.75 PER SRM 51-42-06-001-001-A01 & DRAWING 601R31702 REV N. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY. NO LEAKS NOTED

Part: INTERCOSTAL — CORRODED (PAX DOOR) · airframe 30,869 hrs · 21,331 cycles

PAX DOOR FWD DD1 INTERCOSTAL HAS CORROSION (C-CHECK) RO 3/4/2021 REPLACED PAX DOOR FWD DD1 INTERCOSTAL PER CRJ-900 SRM 51-42-06-001-001-A01 & DRAWING 601R31702 REV N. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: DOOR FRAME — CORRODED (ZONE 200) · airframe 30,869 hrs · 21,331 cycles

PAX DOOR FRAME F/S 327.763 HAS EXFOLIATED CORROSION (C-CHECK) RO 3/4/2021 INSTALLED NEW PAX DOOR FRAME F/S 327.763 IAW CRJ 900 SRM 51-42-06-001-001-A01 AND CRJ 900 SRM 51-42-21-001-001-A01 AND BOMBARDIER DWG 601R31702 REV. N / SEE CONTINUATION CARD FOR DETAILS / COMPLIED WITH SKYWEST TASK CARD 51-900-1002-SKY

Part: FORMER — CORRODED (PAX DOOR) · airframe 30,869 hrs · 21,331 cycles

PAX DOOR FORMER F/S 338.963 HAS CORROSION (C-CHECK) RO 3/4/2021 REPLACED PAX DOOR FORMER F/S 338.963 REF DWG 601R31702 REV. N, CRJ900 SRM 51-42-06-001-001-A01, AND CRJ900 SRM 51-42-21-001-001-A01. LEAK CHECK GOOD. COMPLIED WITH 51-900-1002-SKY.

Part: INTERCOSTAL — CORRODED (PAX DOOR) · airframe 30,869 hrs · 21,331 cycles

PAX DOOR FWD DD1A INTERCOSTAL HAS CORROSION (C-CHECK) RO 3/4/2021 REPLACED PAX DOOR DD1A INTERCOSTAL PER SRM 51-42-06-001-001-A01 & DRAWING 601R31702 REV N. SEE CONTINUATION CARD FOR DETAIL.S CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY. NO LEAKS NOTED

Part: INTERCOSTAL — CORRODED (PAX DOOR) · airframe 30,869 hrs · 21,331 cycles

PAX DOOR AFT DD5 INTERCOSTAL HAS CORROSION (C-CHECK) RO 3/4/2021 REPLACED PAX DOOR AFT DD5 INTERCOSTAL PER CRJ-900 SRM 51-42-06-001-001-A01 & DRAWING 601R31702 REV N. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: FRAME — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

MAIN AVIONICS BAY FS319.70 FRAME FROM STR 18L TO STR 21L CORRODED (C-CHECK) RO 3/4/2021 REMOVED & REPLACED MAIN AVIONICS BAY FS319.70 FRAME FROM STR 18L TO STR 21L REF CRJ900 SRM 51-42-06-001-001-A01,SRM 51-51-42-21-001-001-A01 & BOMBARDIER DWG#SH670-31810-REV AE. COMPLIED WITH 51-9001002-SKY .PRESSURE LEAK CHEAK GOOD.

Part: DOOR FRAME — CORRODED (PAX DOOR AREA) · airframe 30,869 hrs · 21,331 cycles

PAX DOOR FRAME AT FS338.963 HAS CORROSION (MARKED ON FRAME) (C-CHECK) RO 3/4/2021 REPLACED PAX DOOR FRAME AND CLIP AT FS338.963 PER CRJ-900 SRM 51-42-06-001-001-A01,CRJ-900 SRM 51-42-21-001-001-A01 & DRAWING 601R31702 REV N. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: DOUBLER — CORRODED (TCAS ANTENNA) · airframe 30,869 hrs · 21,331 cycles

MAIN AVIONICS BAY LOWER TCAS ANTENNA DOUBLER BETWEEN FS295.00 AND FS310.00 CORRODED (C-CHECK) RO 3/4/2021 REPLACED MAIN AVIONICS BAY LOWER TCAS ANTENNA DOUBLER BETWEEN FS295.00 TO FS310.00 REF CRJ900 SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01 & DRAWING SH670-30023 REV G. SEE CONTINUATION CARD FOR DETAILS. LEAK CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: DRAG ANGLE — CRACKED (PAX DOOR) · airframe 30,869 hrs · 21,331 cycles

PAX DOOR AFT DRAG HAS CRACK (MARKED) (C-CHECK) RO 3/4/2021 REMOVED AND REPLACED CRACKED PAX DOOR AFTDRAG ANGLE REF. CRJ900 SRM 51-42-06-001-001-A01, RESTORED FINISH AND APPLIED CORROSION INHIBITING COMPOUND TO REPLACEMENT DRAG ANGLE.

Part: SKIN — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

EXTERIOR SKIN UNDER LOWER ADF ANTENNA HAS CORROSION. (C-CHECK) RO 3/4/2021 REMOVED CORROSION ON EXTERIOR SKIN UNDER LOWER ADF ANTENNA IN LIMITS REF MHIRJ REO 690-53-31-553 REV. --, DATED: 2021-01-31 AND CRJ-900 SRM 51-21-06-001-001-A01. COMPLIED WITH 51-900-1002-SKY. PRESSURE CHECK GOOD.

Part: RIB — DAMAGED (LT WING) · airframe 30,869 hrs · 21,331 cycles

LH WING INTER-SLAT SEAL INBD FIXED LEADING EDGE RIB AT SS33.50 HAS 3 EA ELONGATED HOLES FOUND DURING REMOVAL OF SLAT SEAL.(MARKED) (C-CHECK) RO 3/4/2021 REPAIRED LH WING INTER-SLAT SEAL INBD FIXED LEADING EDGE RIB REF REO 690-57-41-302 REV.-- DATED 2021-02-03 ALL STEPS COMPLETED. COMPLIED WITH 51-900-1002-SKY. SEE CONTINUE CARD FOR DETAILS.

Part: HINGE — CHAFED (PAX DOOR) · airframe 30,869 hrs · 21,331 cycles

* PAX DOOR HINGE ( DOOR SIDE ) LUGS 2, 3, ,9 AND 20 - 27 ARE CHAFFED, SCRATCHED AND GOUGED. ( COUNT FROM THE FRONT TO THE BACK OF THE DOOR ). (C-CHECK) RO 3/4/2021 BLENDED DAMAGE ON THE PAX DR(DR SIDE) HINGE, FOUND REMAINING MATERIAL TO BE WITHIN ALLOWABLE DAMAGE LIMITS REF REO 670-52-11-511 REV -E DATED 2017-08-02. SEE CONTINUATION CARD FOR DETAILS. COMPLIED WITH 51-900-1002-SKY. COMPLETED FORM M-337.

Part: PLATE — DAMAGED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

FWD CARGO JOINT PLATE AT FS517 STGR 27 REQUIRES REPLACEMENT. (C-CHECK) RO 3/4/2021 REMOVED & REPLACED WITH NEW FWD CARGO JOINT PLATE AT FS517 STGR 27 REF CRJ-900 SRM 51-42-21-001-001-A01,SRM 51-45-00-001-001-A01 & BOMBARDIER DWG#SH6790-33600 REV AG. COMPLIED WITH 51-900-1002-SKY. / PRESSURE LEAK CHECK WAS GOOD.

Part: PLATE — OUT OF TOLERANCE (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

FWD CARGO JOINT PLATE AT FS533 STGR 25R REQUIRES REPLACEMENT. (C-CHECK) RO 3/4/2021 REMOVED AND REPLACED FWD CARGO JOINT PLATE AT FS 533 STGR 25R IAW CRJ900 SRM 51-42-21-001-001-A01, CRJ900 SRM 51-42-22-001-001-A01, CRJ900 SRM 51-42-06-001-001-A01 AND DRAWING SH670-33600 REV AD / COMPLIED WITH 51-900-10002-SKY

Part: STRINGER — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

MAIN AVIONICS BAY STR 22R CORRODED BETWEEN FS319.70 AND FS333.00 (C-CHECK) RO 3/4/2021 REPLACED STRTINGER 22R, FS319.00-333.00 PER SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01, REO 690-53-21-1313 REV -- DATED 2021-01-25(ALL STEPS COMPLIED WITH) & DRAWING SH670-31630 REV K. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: STRINGER — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

MAIN AVIONICS BAY STR 24R CORRODED BETWEEN FS295.00 AND FS310.00 (C-CHECK) RO 3/4/2021 REPLACED MAIN AVIONICS BAY STR 24R FS280.00-333.00 REF CRJ900 SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01 & DRAWING SH670-31360 REV K. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPIED WITH TASK CARD 51-900-1002-SKY.

Part: STRINGER — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

MAIN AVIONICS BAY STR 21R CORRODED BETWEEN FS319.70 AND FS333.00 (C-CHECK) RO 3/4/2021 REPLACED STRINGER 21R, FS280.00-FS333.00 REF CRJ-900 SRM 51-42-06-001-00-A01, SRM 51-42-21-001-001-A01 & DRAWING SH670-31630 REV K. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: STRINGER SPLICE — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

MAIN AVIONICS BAY STR 22R SPLICE AT FS333.00 CORRODED (C-CHECK) RO 3/4/2021 REPLACED STRINGER 22R SPLICE AT FS333.00 PER CRJ-900 SRM 51-42-06-001-001-A01 & DRAWING SH670-32420 REV E. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY

Part: STRINGER SPLICE — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

MAIN AVIONICS BAY STR 21R SPLICE AT FS333.00 CORRODED (C-CHECK) RO 3/4/2021 REPLACED STRINGER 21R SPLICE AT FS333.00 PER CRJ-900 SRM 51-42-06-001-001-A01 & / . SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: STRINGER SPLICE — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

MAIN AVIONICS BAY STR 24R SPLICE AT FS333.00 CORRODED (C-CHECK) RO 3/4/2021 REPLACED STRINGER 24R SPLICE AT FS333.00 PER CRJ-900 SRM 51-42-06-001-001-A01 & DRAWING SH670-32420 REV E. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: PLATE — DAMAGED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

FWD CARGO JOINT PLATE AT FS517 STGR 23L REQUIRES REPLACEMENT. (C-CHECK) RO 3/4/2021 REPLACED FWD CARGO JOINT PLATE AT FS517 STGR 23L REF REO 690-53-32-032 REV.-- DATED 2021-02-01, DWG SH670-33600 REV. Y, AND CRJ900 SRM 51-42-21-001-001-A01. LEAK CHECK GOOD. COMPLIED WITH 51-900-1002-SKY.

Part: HINGE — GOUGED (PAX DOOR) · airframe 30,869 hrs · 21,331 cycles

* PAX DOOR HINGE ( FUSELAGE SIDE ) HAS 15 LUG LANDS THAT ARE GOUGED /SCRATCHED AND CHAFFED. (C-CHECK) RO 3/4/2021 REPLACED PAX DOOR FUSELAGE SIDE HINGE PER SRM 53-21-23-201-007-A01, SRM 51-42-21-001-001-A01 & DRAWING SH670-31810 REV AE. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY. SEE CONTINUATION CARD FOR DETAILS.

Part: PLATE — DAMAGED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

FWD CARGO JOINT PLATE AT FS565 STGR 27 REQUIRES REPLACEMENT. (C-CHECK) RO 3/4/2021 REPLACED FWD CARGO JOINT PLATE AT FS565 STGR 27 REF DWG SH670-33600 REV. Y, CRJ900 SRM 51-42-21-001-001-A01, AND 51-42-15-001-001-A01. SEE CONTINUATION CARD FOR DETAILS. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: FLOORBEAM — CORRODED (ZONE 200) · airframe 30,869 hrs · 21,331 cycles

COCKPIT FLOOR SUPPORT BEAM AT FS280.00 IS CORRODED (C-CHECK) RO 3/4/2021 REMOVED AND INSTALLED NEW COCKPIT FLOOR SUPPORT BEAM AT FS280 REF CRJ 900 SRM 51-42-06-001-001-A01, 51-42-21-001-001-A01 AND BOMBARDIER DWG# SH670-33052 REV G. SEE CONTINUATION CARD FOR DETAILS. COMPLIED WITH 51-900-1002-SKY. COMPLETED FORM M-337.

Part: STRINGER — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

MAIN AVIONICS BAY STR 23R CORRODED BETWEEN FS310.00 AND FS333.00 (C-CHECK) RO 3/4/2021 REPLACED STRINGER 23R, FS280.00-333.00 PER SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01 & DRAWING SH670-31630 REV K. SEE CONTINUATION CARD FOR DETAILS. LEAK CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY NO LEAKS NOTED

Part: STRINGER SPLICE — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

MAIN AVIONICS BAY STR 23R SPLICE AT FS333.00 CORRODED (C-CHECK) RO 3/4/2021 REPLACED STRINGER 23R SPLICE AT FS333.00 PER SRM 51-42-06-001-001-A01 & DRAWING SH670-32420 REV E. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: STRINGER — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

MAIN AVIONICS BAY STR 22L CORRODED BETWEEN FS333.00 AND FS364.00 (C-CHECK) RO 3/4/2021 REPLACED STRINGER 22L, FS333.00-FS372.00 PER SRM 51-42-06-001-001-A01, SRM 53-00-203-201-001-A02 & DRAWING SH690-31350 REV M. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: STRINGER — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

MAIN AVIONICS BAY STR 22R CORRODED BETWEEN FS333.00 AND FS349.00 (C-CHECK) RO 3/4/2021 REPLACED STRINGER 22R, FS333.00-FS349.00 PER SRM 51-42-06-001-001-A01 & DRAWING SH670-31350 REV A. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY. NO LEAKS NOTED

Part: ATTACH ANGLE — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

MAIN AVIONICS BAY STR 26L ATTACH ANGLE FROM FS349.00 TO FS364.00 CORRODED (C-CHECK) RO 3/4/2021 REPLACED ATTACH ANGLE ON STRINGER 26L, FS349.00-364.00 PER SRM 51-42-06-001-001-A01 & DRAWING SH670-32050 REV J. SEE CONTINUATION CARD FOR DETAILS. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: STRINGER SPLICE — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

MAIN AVIONICS BAY STR 26L SPLICE AT FS333.00 CORRODED (C-CHECK) RO 3/4/2021 REPLACED STRINGER 26L SPLICE @ FS333.00 PER CRJ-900 SRM 51-42-06-001-001-A01 & DRAWING SH670-32420 REV E. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: STRINGER — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

MAIN AVIONICS BAY STR 20R CORRODED BETWEEN FS295.00 AND FS310.00 (C-CHECK) RO 3/4/2021 REPLACED STRINGER 20R, FS280.00-319.00 REF CRJ900 SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01 & DRAWING SH670-31630 REV K. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: FRAME — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

MAIN AVIONICS BAY FS364.00 FRAME CORRODED BETWEEN AT BL 0 (C-CHECK) RO 3/4/2021 REPLACED FRAME AT FS364.00, STRINGER 24L - 24R REF CRJ-900 SRM 53-21-23-201-008-A01, 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01 & DRAWING SH670-32050 REV J. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: FRAME — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

MAIN AVIONICS BAY FS295.00 FRAME CORRODED BETWEEN STR 24R AND STR 23R (C-CHECK) RO 3/4/2021 REPLACED FRAME SECTOR @ FS295.00, STRINGER 20R-25R PER SRM 53-00-06-201-001-A03, SRM 51-42-06-001-001-A01, & DRAWING SH670-31360 REV K. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY NO LEAKS NOTED

Part: STRINGER — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

MAIN AVIONICS BAY STR 26L CORRODED BETWEEN FS280.00 AND FS295.00 (C-CHECK) RO 3/4/2021 REPLACED STRINGER 26L, FS280.00-333.00 PER SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01 & DRAWING SH670-31630 REV K. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: STRINGER SPLICE — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

MAIN AVIONICS BAY STR 25L SPLICE AT FS333.00 CORRODED (C-CHECK) RO 3/4/2021 REPLACED STRINGER 25L SPLICE @ FS333.00 PER SRM 51-42-06-001-001-A01 & DRAWING SH670-32420 REV E. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: STRINGER — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

MAIN AVIONICS BAY STR 26R CORRODED BETWEEN FS295.00 AND FS310.00 (C-CHECK) RO 3/4/2021 REPLACED STRINGER 26R, FS280.000-333.00 PER SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01 & DRAWING SH670-31630 REV K. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: INTERCOSTAL — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

WHILE PERFORMING CORROSION REMOVAL AND EVALUATIONS IN AVIONICS BAY FOR MX TRANS# 22119719 JOB#91516264 OP# 16 FOUND INTERCOSTAL AT STR 27 RH BETWEEN FS 349.00 AND 364.00 TO BE OUT OF LIMITS (C-CHECK) RO 3/4/2021 REPLACED RH LATCH PIN INTERCOSTAL, FS349.00-364.00 PER SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01 & DRAWING SH670-32050 REV J. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY. NO LEAKS NOTED

Part: INTERCOSTAL — CORRODED (ZONE 100) · corrosion level 2 · airframe 30,869 hrs · 21,331 cycles

WHILE PERFORMING CORROSION REMOFAL AND EVALUATIONS IN AVIONICS BAY FOR MX TRANS# 22119719 JOB# 91516264 OP# 16 FOUND INTERCOSTAL AT 27 LH BETWEEN FS 349.00 AND FS 364.00 TO BE OUT OF LIMITS (C-CHECK) RO 3/4/2021 REPLACED PAX DOOR LATCH PIN INTERCOSTAL AT FS349.00-364.00 REF CRJ900 SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01 & DRAWING SH670-32050 REV J. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: ATTACH ANGLE — CORRODED (SERVICE DOOR) · airframe 30,869 hrs · 21,331 cycles

SERVICE DOOR PROTECTOR PLATE AFT ATTACH ANGLE CORRODED (C-CHECK) RO 3/4/2021 REPLACED SERVICE DOOR PROTECTOR PLATE AFT ATTACH ANGLE REF CRJ900 SRM 51-42-06-001-001-A01 AND DWG SH670-32040 REV-A AND DWG SH670-31950 REV. Y. COMPLIED WITH 51-900-1002-SKY. SEE CONTINUE CARD FOR DETAILS.

Part: PLATE — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

* JOINT PLATE AT APPROXIMATELY FS562 BETWEEN STGR26L €“ STGR25L CORRODED (C-CHECK) RO 3/4/2021 FOUND REMAINING MATERIAL TO BE OUT OF ALLOWABLE DAMAGE LIMITS. REMOVED AND INSTALLED NEW JOINT PLATE AT FS562 BETWEEN STR 26L AND 25L REF CRJ 900 SRM 51-42-22-001-001-A01 AND DWG# SH670-33750 REV Y. SEE CONTINUATION CARD FOR DETAILS. COMPLIED WITH 51-900-1002-SKY, COMPLETED FORM M-337.

Part: SLAT TRACK — CORRODED (RT WING) · airframe 30,869 hrs · 21,331 cycles

* RH SLAT TRACK 2-2 HAS 2EA SPOTS OF CORROSION AND WEAR (C-CHECK) RO 3/4/2021 BLENDED RH SLAT TRACK 2-2 WITHIN LIMITS, REF REO 690-57-42-780 REV-- DATED: 2021-02-02 / SLAT RIGGING GOOD AT THIS TIME. / COMPLIED WITH TASK CARD 51-900-1002-SKY

Part: INTERCOSTAL — CORRODED (ZONE 200) · airframe 30,869 hrs · 21,331 cycles

FS. 661.00+90 @ STRG 19R INTERCOSTAL HAS CORROSION. (C-CHECK) RO 3/4/2021 REMOVED AND REPLACED INTERCOSTAL AT FS661.00+90, STGR 19R. REF. CRJ900 SRM 51-42-21-001-001-A01, SRM 51-42-06-001-001-A01 AND DWG# SH690-39100 REV. G SHEET 2. COMPLIED WITH 51-900-1002-SKY.

Part: FORMER — CORRODED (FWD PAX DOOR) · airframe 30,869 hrs · 21,331 cycles

*FWD PAX DOOR HAS CORROSION ON FORMER AT FS 327.763 BETWEEN INTERCOSTALS DD4 - DD5. AREAS MARKED. (C-CHECK) RO 3/4/2021 REPLACED PAX DOOR FORMER AT FS327.763 PER CRJ-900 SRM 51-42-06-001-001-A01, CRJ-900 SRM 51-42-21-001-001-A01 & DRAWING 601R31702 REV N. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: SKIN — CHAFED (RT NACELLE) · airframe 30,869 hrs · 21,331 cycles

* R/H ENGINE UPPER TRANSCOWL INNER DOUBLER AND SKIN CHAFED NEAR FWD LATCH CATCH. (C-CHECK) RO 3/4/2021 OUTER SKIN REPAIRED ON CAMP#22283509. REPLACED RH ENGINE UPPER TRANSCOWL INNER DOUBLER (LATCH COAMING) REF CRJ900 SRM 51-42-10-001-001-A01, SRM 51-41-02-001-001-A01 CRJ900 SRM 51-42-13-001-001-A01 AND REO 670-54-21-1207 REV.-A DATED 2015-08-27 ALL APPLICABLE STEPS COMPLETED. SEE CONTINUE CARD FOR DETAILS. COMPLIED WITH 51-900-1002-SKY.

Part: FRAME — CORRODED (FWD PAX DOOR) · airframe 30,869 hrs · 21,331 cycles

*FWD PAX DOOR HAS CORROSION ON FRAME AT APPROX. FS 320.000 BETWEEN INTERCOSTALS DD4 - DD5. AREAS MARKED. (C-CHECK) RO 3/4/2021 REPLACED PAX DOOR FRAME AT FS320.00 PER SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01 & DRAWING 601R31702 REV N. SEE CONTINUATION CARD FOR DETAILS. LEAK CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: FLOORBEAM — CORRODED (AFT CARGO) · airframe 30,869 hrs · 21,331 cycles

AFT CARGO FLOORBEAM FS1015.00 RBL 36 HAS CORROSION (C-CHECK) RO 3/4/2021 REPAIRED AFT CARGO FLOOR BEAM FS1015.00 RBL36 REF REO 690-53-61-973 REV -- DATED 2021-02-05 STEPS 1-16. ALL STEPS COMPLIED WITH. COMPLETED STRUCTURAL MAJOR REPAIR CARD 51-900-1002-SKY.

Part: COAMING — CHAFED (RT NACELLE DOOR) · airframe 30,869 hrs · 21,331 cycles

* R/H ENGINE LOWER TRANSCOWL LATCH DOOR COAMING AND RIVETS CHAFED AROUND LATCH DOOR ALIGNMENT HOLE. (C-CHECK) RO 3/4/2021 RH ENGINE LOWER TRANS-COWL LATCH DOOR COAMING AND DOUBLER REPLACED REF REO 670-54-21-1207 REV.A DATED 2015-08-27 ALL APPLICABLE STEPS COMPLETED. COMPLIED WITH 51-900-1002-SKY. OPS CHECK GOOD. SEE CONTINUATION CARD FOR DETAILS.

Part: TRACK — CRACKED (AFT CARGO DOOR) · airframe 30,869 hrs · 21,331 cycles

*AFT CARGO DOOR FWD TRACK ATTACHED DIAPHRAGM IS CRACKED. MARKED. (C-CHECK) RO 3/4/2021 REPAIRED AFT CARGO DOOR FWD TRACK DIAPHRAGM PER REO 690-53-62-104 REV --, DATED 2021-02-13. SEE CONTINUATION CARD FOR DETAILS. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: INTERCOSTAL — CORRODED (FWD PAX DOOR) · airframe 30,869 hrs · 21,331 cycles

*FWD PAX DOOR HAS CORROSION ON MID INTERCOSTAL DD2 (C-CHECK) RO 3/4/2021 REPLACED PAX DOOR MID DD2 INTERCOSTAL PER CRJ-900 SRM 51-42-06-001-001-A01, CRJ-900 SRM 51-42-21-001-001-A01 & DRAWING 601R31702 REV N. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: PLATE — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

* JOINT PLATE AT APPROXIMATELY FS519 BETWEEN STGR26L €“ STGR25L CORRODED (C-CHECK) RO 3/4/2021 FOUND REMAINING MATERIAL TO BE OUT OF ALLOWABLE DAMAGE LIMITS. REMOVED AND INSTALLED NEW JOINT PLATE AT FS519 BETWEEN STR 26L AND 25L REF CRJ 900 SRM 51-42-22-001-001-A01 AND DWG# SH670-33750 REV Y. SEE CONTINUATION CARD FOR DETAILS. COMPLIED WITH 51-900-1002-SKY, COMPLETED FORM M-337.

Part: SKIN — DAMAGED (LT WING LE SLAT) · airframe 30,869 hrs · 21,331 cycles

* LH #1 SLAT HAS A HOLE/PIT ON INBD LEADING EDGE AT APPROXIMATELY SS64.00 (C-CHECK) RO 3/4/2021 REPAIRED L/H WING #1 SLAT ON I/B L/E AT APPROXIMATELY SS64.00, REF. REO 690-57-42-779, REV. --, 2021-02-02. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: ATTACH FITTING — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

* FWD STOWAGE ATTACH FITTING AT APPROXIMATELY FS310 LBL20 CORRODED (C-CHECK) RO 3/4/2021 REPLACED FWD STOWAGE ATTACH FITTING AT APPROX FS310 LBL20 REF DWG SH670-32120 REV. D AND CRJ900 SRM 51-42-21-001-001-A01. COMPLIED WITH 51-900-1002-SKY.

Part: STRIKER — CORRODED (SERVICE DOOR) · airframe 30,869 hrs · 21,331 cycles

* SERVICE DOOR LOWER SEAL STRIKER CORRODED (C-CHECK) RO 3/4/2021 REPLACED SERVICE DOOR LOWER SEAL STRIKER PER SRM 51-42-06-001-001-A01 & DRAWING SH670-31950 REV Y. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: ATTACH ANGLE — CORRODED (SERVICE DOOR) · airframe 30,869 hrs · 21,331 cycles

* SERVICE DOOR PROTECTOR PLATE FWD ATTACH ANGLE CORRODED (C-CHECK) RO 3/4/2021 REPLACED SERVICE DOOR PROTECTOR PLATE FWD ATTACH ANGLE AND WEB FITTING REF DWG SH670-31950 REV . Y DWG SH670-32040 REV. A CRJ900 SRM 51-42-06-001-001-A01. COMPLIED WITH 51-900-1002-SKY. SEE CONTINUE CARD FOR DETAILS.

Part: SKIN — CHAFED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

* 2 EA CHAFES ON LOWER FUSELAGE AT APPROXIMATELY FS919 STGR27 (C-CHECK) RO 3/4/2021 REPAIRED GOUGED SKIN AT FS919.00, STRINGER 27 PER REO 670-53-00-290 REV F, DATED 2019-04-26. SEE CONTINUATION CARD FOR DETAILS, CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY. SEE CONTINUATION CARD FOR DETAILS.

Part: CUSHION — CRACKED (SPOILER CLAMP) · airframe 30,869 hrs · 21,331 cycles

* RH IB AND OB GROUND SPOILERS HAVE 6EA. ADEL CLAMPS WITH CRACKED RUBBER CUSHIONS (FLAGGED). (C-CHECK) RO 3/4/2021 REMOVED AND REPLACED 6 RH IB&OB GROUND SPOILER ADELE CLAMPS WITH NEW. PART # T000058159. REF CRJ900 SRM 51-41-02-001-001-A01. RELIEVED HYDRAULIC PRESSURE AT GROUND SPOILER SUPPLY/RETURN LINE TO MANUAL ACTUATE GROUND SPOILERS. REF CRJ900 AMM 20-22-00-910-801-A01.

Part: STRINGER — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

* STGR21R CORRODED AT APPROXIMATELY FS372 (C-CHECK) RO 3/4/2021 REPLACED STRINGER 21R, FS333.00-FS379.00 PER SRM 51-42-06-001-001-A01 & DRAWING SH670-31350 REV A. SEE CONTINUATION CARD FOR DETAILS. LEAK CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: STRINGER SPLICE — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

* STRINGER SPLICE JOINT AT APPROXIMATELY FS477 STGR19R CORRODED (C-CHECK) RO 3/4/2021 REMOVED AND INSTALLED NEW STRINGER SPLICE AT FS477 AND STR 19R REF CRJ 900 SRM 51-42-06-001-001-A01 AND DWG SH670-30006 REV A. SEE CONTINUATION CARD FOR DETAILS. COMPLIED WITH 51-900-1002-SKY AND FORM M-337. LEAKS CHECK GOOD.

Part: FRAME — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

* FS333 FRAME CORRODED BETWEEN STGR27 €“ STGR26L (C-CHECK) RO 3/4/2021 REPLACED LOWER FRAME SECTOR AT FS333.00, STRINGER 25L-25R PER SRM 53-00-06-201-006-A01. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: SEAT TRACK — CORRODED (ZONE 200) · airframe 30,869 hrs · 21,331 cycles

* SEAT TRACK AT APPROXIMATELY LBL27 FS364-FS477 CORRODED (C-CHECK) RO 3/4/2021 REMOVED AND REPLACED SEAT TRACK AT STA 364-477 LBL27 IAW CRJ900 AMM 53-00-49-400-801-A07 AND CRJ900 AMM 53-00-49-000-801-A07

Part: ROLLER — WORN (LT SLAT TRACK) · airframe 30,869 hrs · 21,331 cycles

ALL LH SLAT TRACK SIDE ROLLERS ARE WORN BEYOND LIMITS. (C-CHECK) RO 3/4/2021 REPLACED ALL SLAT TRACK SIDE ROLLERS PER AMM TASK 27-81-44-400-801-A01, 27-81-44-400-802-A01, 27-81-44-400-803-A01. CALIBRATED TORQUE WRENCH TUC7831 DUE 01-31-2021. CHECKS GOOD.

Part: ROLLER — WORN (RT SLAT TRACK) · airframe 30,869 hrs · 21,331 cycles

ALL RH SLAT TRACK SIDE ROLLERS ARE WORN BEYOND LIMITS. (C-CHECK) RO 3/4/2021 REMOVED ALL RH SLAT TRACK SIDE ROLLERS AND REPLACED WITH NEW IAW CRJ 900 AMM 27-81-44-000-801-A01, 27-81-44-000-802-A01, 27-81-44-000-803-A01, 27-81-44-400-801-A01, 27-81-44-400-802-A01, 27-81-44-400-803-A01. / OPS CHECK GOOD AT THIS TIME

Part: FITTING — CORRODED (SERVCE DOOR AREA) · airframe 30,869 hrs · 21,331 cycles

* SERVICE DOOR SURROUND FITTING AT APPROXIMATELY FS319.70 STGR17R CORRODED (C-CHECK) RO 3/4/2021 REPLACED SERVICE DOOR SURROUND FITTING AT APPROXIMATELY FS319.70 STGR 17R REF DWG SH670-31990 REV. NC AND CRJ900 SRM 51-42-20-001-001-A01. COMPLIED WITH 51-900-1002-SKY.

Part: SEAT TRACK — CORRODED (ZONE 200) · airframe 30,869 hrs · 21,331 cycles

* SEAT TRACK AT APPROXIMATELY LBL9 FS371-FS477 CORRODED (C-CHECK) RO 3/4/2021 REMOVED AND REPLACED NEW FROM STOCK SEAT TRACK LBL9 FS371.00-FS477.00 REF. CRJ900 AMM 53-00-49-400-801-A07.

Part: STRINGER — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

* STGR20L CORRODED BETWEEN APPROXIMATELY FS349 €“ FS354 (C-CHECK) RO 3/4/2021 REPAIRED STRINGER 20L, FS349.00-372.00 PER REO 690-53-21-1317 REV.-- DATED 2021-01-27, CRJ-900 SRM 51-42-06-001-001-A01,CRJ-900 SRM 53-00-03-201-001-A02 & DRAWING SH670-31401 REV A. SEE CONTINUATION CARD FOR DETAILS. CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: ATTACH FITTING — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

* FWD STOWAGE ATTACH FITTING AT APPROXIMATELY FS310 LBL30 CORRODED (C-CHECK) RO 3/4/2021 REPLACED FWD STOWAGE ATTACH FITTING AT APPROX FS310 LBL30 REF DWG SH670-32120 REV D & CRJ 900 SRM 51-42-21-001-001-A01. COMPLIED WITH 51-900-1002-SKY. SEE CONTINUE CARD FOR DETAILS.

Part: INTERCOSTAL — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

* INTERCOSTAL AT STGR20R FROM APPROXIMATELY FS349-FS364 CORRODED (C-CHECK) RO 3/4/2021 REMOVED AND REPLACED STR 20R INTERCOSTAL FROM FS349.00 TO FS364.00 REF. CRJ 900 SRM 51-42-06-001-001-A01 AND SRM 51-42-21-001-001-A01. COMPLIED WITH 51-900-1002-SKY

Part: STRINGER SPLICE — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

* STRINGER SPLICE JOINT AT APPROXIMATELY FS477 STGR21R CORRODED (C-CHECK) RO 3/4/2021 COMPLIED WITH REPLACEMENT OF THE OUT OF LIMITS STRINGER SPLICE JOINT AS APPROX. FS477.00, STGR21R. REF: CRJ 900 SRM 51-42-06-001-001-A01 AND DWG SH690-30006 REV C. PRESSURE LEAK CHECKS GOOD. / SEE CONTINUATION CARD FOR ADDITIONAL DETAILS / COMPLIED WITH TASK CARD 51-900-1002-SKY

Part: SUPPORT — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

* BACK UP SILL FS333-FS349 STGR21L CORRODED (C-CHECK) RO 3/4/2021 REMOVED AND REPLACED STR 21L BACK-UP SILL FROM FS333.00 TO FS349.00 REF. CRJ 900 SRM 51-42-06-001-001-A01 AND SRM 51-42-21-001-001-A01. COMPLIED WITH 51-900-1002-SKY

Part: STRINGER — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

* LONGERON AT STGR25R CORRODED BETWEEN FS333 €“ FS349 (C-CHECK) RO 3/4/2021 REPLACED LONGERON, STRINGER 25R BETWEEN FS333 - FS364 REF CRJ-900 SRM 51-42-06-001-001-A01 REV 38 . DRAWING SH670-32050 REV J. SEE CONTINUATION CARD FOR DETAILS. PRESSURE LEAK CHECK GOOD . COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: ATTACH ANGLE — CORRODED (SERVICE DOOR) · airframe 30,869 hrs · 21,331 cycles

* SERVICE DOOR PROTECTOR PLATE FWD MID ATTACH ANGLE CORRODED (C-CHECK) RO 3/4/2021 REPLACED SERVICE DOOR PROTECTOR PLATE FWD MID ATTACH ANGLE AND WEB FITTING REF DWG SH670-31950 REV. Y, DWG SH670-32040 REV. A, CRJ900 SRM 51-42-06-001-001-A01. COMPLIED WITH 51-900-1002-SKY. SEE CONTINUE CARD FOR DETAILS.

Part: FLOORBEAM — CORRODED (ZONE 200) · airframe 30,869 hrs · 21,331 cycles

* FS333 FLOOR CROSSBEAM CORRODED AT APPROXIMATELY LBL20 (C-CHECK) RO 3/4/2021 REPAIRED FS333 FLOOR CROSS BEAM AT APPROXIMATELY LBL20 REF REO 690-53-21-1320 REV.-- DATED 2021-02-01 ALL STEPS COMPLETED. COMPLIED WITH 51-900-1002-SKY. SEE CONTINUE CARD FOR DETAILS.

Part: ATTACH ANGLE — CORRODED (SERVICE DOOR) · airframe 30,869 hrs · 21,331 cycles

* SERVICE DOOR PROTECTOR PLATE AFT MID ATTACH ANGLE CORRODED (C-CHECK) RO 3/4/2021 REPLACED SERVICE DOOR PROTECTOR PLATE AFT MID ATTACH ANGLE AND WEB FITTING REF DWG SH670-31950 REV. Y, DWG SH670-32040 REV. A, CRJ900 SRM 51-42-06-001-001-A01. COMPLIED WITH 51-900-1002-SKY. SEE CONTINUE CARD FOR DETAILS.

Part: SEAT TRACK — CORRODED (ZONE 200) · airframe 30,869 hrs · 21,331 cycles

* SEAT TRACK AT APPROXIMATELY RBL9 FS349-FS477 CORRODED (C-CHECK) RO 3/4/2021 REMOVED AND REPLACED WITH NEW FROM STOCK SEAT TRACK AT RBL9 FS349.00-FS477.00 REF. CRJ900 AMM 53-00-49-400-801-A07.

Part: SEAT TRACK — CORRODED (ZONE 200) · airframe 30,869 hrs · 21,331 cycles

* SEAT TRACK ATTACH FITTING AT APPROXIMATELY FS364 LBL27 CORRODED REMOVED AND REPLACED SEAT TRACK ATTACH FITTING AT APX FS364 LBL 27 IAW CRJ900 SRM 51-42-06-001-001-A01

Part: INTERCOSTAL — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

*CORROSION NOTED AT INTERCOSTAL AT STRG20R BETWEEN FS310.00-FS319.70 (C-CHECK) RO 3/4/2021 REMOVED AND REPLACED STR 20R INTERCOSTAL FROM FS310.00 TO FS319.70 REF. CRJ 900 SRM 51-42-06-001-001-A01. COMPLIED WITH 51-900-1002-SKY

Part: SEAT TRACK — CORRODED (ZONE 200) · airframe 30,869 hrs · 21,331 cycles

R/H SEAT TRACK @ FS847-977 HAS SEVERAL AREAS OF CORROSION (MARKED IN RED) (C-CHECK) RO 3/4/2021 REMOVED AND REPLACED WITH NEW FROM STOCK RH SEAT TRACK AT FS847-977 (2EA). REF CRJ 900, AMM 53-00-49-400-801-A07.

Part: INTERCOSTAL — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

*CORROSION ON INTERCOSTAL AT FS310-FS349.00 AT STRG21L (C-CHECK) RO 3/4/2021 REMOVED AND REPLACED STR 21L BACK-UP SILL FROM FS310.00 TO FS333.00 REF. CRJ 900 SRM 51-42-06-001-001-A01 AND SRM 51-42-21-001-001-A01 AND DWG SH670-31810 REV-AE. COMPLIED WITH 51-900-1002-SKY

Part: FLOORBEAM — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

*CORROSION ON SUPPORT BRACKET FOR A-BAY FLOORBOARD AFT OF FS280.00 (C-CHECK) RO 3/4/2021 REMOVED OUT OF LIMITS BRACKET AND INSTALLED NEW SUPPORT BRACKET FOR A-BAY FLOORBOARD AFT OF FS280 REF CRJ-900 SRM 51-42-06-001-001-A01, CRJ900 SRM 51-21-06-001-001-A01, CRJ 900 SRM 53-00-00-101-001-A01 AND SRM 51-42-21-001-001-A01

Part: STRINGER — CORRODED (AFT CARGO) · airframe 30,869 hrs · 21,331 cycles

AFT CARGO COMPARTMENT UNDER FLOOR @ FS1069 - 1088 STR 26L HAS CORROSION AROUND FASTNERS (C-CHECK) RO 3/4/2021 REPAIRED STRINGER 21L FS1069-1088 PER SRM 53-00-03-201-001-A01, SRM 51-42-06-001-001-A01 & SRM 51-42-21-001-001-A01. SEE CONTINUATION CARD FOR DETAIL. LEAK CHECKS GOOD. COMPLIED WITH TASK CARD 51-900-1002-SKY. NO LEAKS NOTED

Part: FRAME — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

*CORROSION NOTED AT FRAME 310.00 BETWEEN STRG26L-STRG26R AND STRG24R-STRG23R (C-CHECK) RO 3/4/2021 REMOVED AND INSTALLED NEW FRAME FS310 FROM STR 23L TO STR 25R REF CRJ-900 SRM 53-00-06-201-006-A01 / AND CRJ-900 SRM 51-42-06-001-001-A01, COMPLIED WITH SKYWEST TASKCARD 51-900-1002-SKY, PRESSURE CHECK GOOD.

Part: FLOOR SUPPORT — CORRODED (ZONE 200) · airframe 30,869 hrs · 21,331 cycles

PAX DOOR ENTRY FLOOR BOARD ANGLE HAS CORROSION AT HARNESS FEED-THRU (C-CHECK) RO 3/4/2021 REMOVED AND INSTALLED NEW PAX DR ENTRY MID CAP ANGLE REF CRJ 900 SRM 51-42-01-001-001-A01 AND DWG SH670-31825 REV E. SEE CONTINUATION CARD FOR DETAILS. COMPLIED WITH 51-900-1002-SKY. COMPLETED FORM M-337. ALL OPS CKS GOOD.

Part: LINTEL — CRACKED (ZONE 200) · airframe 30,869 hrs · 21,331 cycles

STRG 3L LINTEL CRACKED AT HI-LITE HOLE S FS. 281 (C-CHECK) RO 3/4/2021 REPAIRED STRG 3L LINTEL BETWEEN FS280-295 REF REO 670-53-21-493 REV. -D 2015-07-10 ALL STEPS COMPLETED. SEE CAMP#22123353 FOR COMPLIANCE OF SB 670BA-53-040 REV. C DATED 09-20-2012. COMPLIED WITH 51-900-1002-SKY. LEAK CHECK GOOD.

Part: FLOOR SUPPORT — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

FLOOR SILL AT AFT CARGO DOOR IS CORRODED ( L/H STR 17L FS1000-1047 ) (C-CHECK) RO 3/4/2021 REPLACED AFT CARGO DOOR LH SILL FROM FS1000-1047 STR 17L REF DWG MM670-35085 REV. L, CRJ900 SRM 51-42-06-001-001-A01, CRJ900 SRM 51-42-13-001-001-A01, CRJ900 SRM 51-42-21-001-001-A01, CRJ900 SRM 51-42-10-001-001-A01. COMPLIED WITH 51-900-1002-SKY. LEAK CHECK GOOD.

Part: FRAME SPLICE — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

PAX DOOR ENTRY FS. 349 FRAME SPLICE DOUBLER @ WL 72.00 HAS CORROSION. (C-CHECK) RO 3/4/2021 REMOVED AND REPLACED THE FS349 FRAME SPLICE AT WL 72.0 REF CRJ 900 SRM 51-42-21-001-001-A01 AND BOMBARDIER DWG# SH670-31810 REV Y. SEE CONTINUATION CARD FOR DETAILS. COMPLIED WITH 51-900-1002-SKY. COMPLETED FORM M-337.

Part: SEAT TRACK — CORRODED (ZONE 200) · airframe 30,869 hrs · 21,331 cycles

L/H SEAT TRACK @ FS847-977 HAS SEVERAL AREAS WITH CORROSION (MARKED WITH RED)REMOVED AND REPLACED NEW FROM STOCK (2EA) L/H SEAT TRACK LBL9 FS847.00-FS977.00 REF. CRJ900 AMM 53-00-49-400-801-A07

Part: ANGLE — CORRODED (ZONE 200) · airframe 30,869 hrs · 21,331 cycles

PAX DOOR ENTRY SILL ANGLE HAS CORROSION BETWEEN FS. 310 TO 349 (C-CHECK) RO 3/4/2021 REMOVED AND REPLACED PAX DOOR ENTRY SILL KICKPLATE ANGLE BETWEEN FS. 310 AND FS. 349 WITH NEW REF. CRJ-900 SRM 51-42-06-001-001-A01, CRJ-900 SRM 51-42-21-001-001-A01 AND DWG# SH670-31810 REV. AE. SEE CONTINUATION CARD FOR WORK DETAILS. COMPLIED WITH SKYWEST CARD 51-900-1002-SKY AND SKYWEST FORM M-337.

Part: FRAME — CORRODED (ZONE 100) · airframe 30,869 hrs · 21,331 cycles

*CORROSION NOTED ON FRAME 349.00 BETWEEN STRG26R-STRB26L (C-CHECK) RO 3/4/2021 REPLACED WITH NEW FRAME 349.00 BETWEEN STGR23L TO STGR24R REF CRJ-900 SRM 51-42-06-001-001-A01,SRM 51-42-21-001-001-A01 AND DWG SH670-31350- REV A. COMPLIED WITH 51-900-1002-SKY . PRESSURE LEAK CHECK GOOD.

Part: ACCESS PANEL — CHAFED (RT WING TE FLAP) · airframe 30,869 hrs · 21,331 cycles

RH INBOARD FLAP PANEL 684AB IS CHAFFED. (C-CHECK) RO 3/4/2021 EVALUATED RH INBD FLAP PANEL 684AB OUT OF LIMITS REF CRJ900 SRM 57-52-01-101-001-A01. DRILLED AND LOCATED NEW PANEL AND RESTORED FINISH REF CRJ900 SRM 51-40-11-001-001-A01 AND 51-25-01-001-001-A01.

Part: PANEL — CHAFED (RT WING TE FLAP) · airframe 30,869 hrs · 21,331 cycles

RH INBOARD FLAP PANEL 684EB IS CHAFFED. (C-CHECK) RO 3/4/2021 AFTER REMOVAL FOUND FLAP PANEL 684EB TO BE WORN BEYOND ALLOWABLE LIMITS REF: CRJ900 SRM 57-52-01-101-001-A01. LOCATED AND DRILLED REPLACEMENT PANEL 684EB REF: CRJ900 SRM 51-40-11-001-001-A01

Part: DOOR SILL — CORRODED (ZONE 200) · airframe 30,869 hrs · 21,331 cycles

*CORROSION AT R/H SILL BETWEEN FS349-FS364 AFT OF SERVICE DOOR CUT (C-CHECK) RO 3/4/2021 REPAIRED THE FLOOR SILL BETWEEN FS349-FS364 AFT OF SERVICE DOOR REF REO 690-53-21-1322 REV.-- DATED 2021-02-13 VERIFIED ALL STEPS COMPLETED. COMPLIED WITH 51-900-1002-SKY. LEAK CHECK GOOD. SEE CONTINUATION CARD FOR DETAILS.

Part: SPRING — CORRODED (BUTTE DOOR) · airframe 30,869 hrs · 21,331 cycles

*LH WING OUTBD FLAP INBD AND OUTBD BUTE DOOR SPRINGS CORRODED (C-CHECK) RO 3/4/2021 REMOVED AND REPLACED THE LH WING OTBD FLAP, INBD AND OTBD BUTE DOOR SPRING WITH NEW. REF: CRJ 900 AMM 27-54-25-000-801 (A01) & CRJ 900 AMM 27-54-25-400-801 (A01) / COMPLIED WITH OPS TEST OF FLAPS, OPS TEST GOOD AT THIS TIME. REF: CRJ 900 AMM 27-50-00-710-801 (A02)

Part: FLOORBEAM — CORRODED (ZONE 200) · airframe 30,869 hrs · 21,331 cycles

*CORROSION NOTED AT COCKPIT FLOOR SUPPPORT BRACKET COMMON TO CROSSBEAM AT FS280.00 (C-CHECK) RO 3/4/2021 COCKPIT FLOOR SUPPORT BRACKET COMMON TO CROSSBEAM AT FS280.00 EVALUATED OUT OF LIMITS AND REPLACED ON CAMP#22159588.

Part: PANEL — CHAFED (RT WING TE FLAP) · airframe 30,869 hrs · 21,331 cycles

RH INBOARD FLAP PANEL 684GB IS CHAFFED. RH INBOARD FLAP PANEL 684GB EVALUATED OUT OF LIMITS REF CRJ900 SRM 57-52-01-101-001-A01. REPLACED PANEL REF CRJ900 SRM 51-40-11-001-001-A01 AND 51-25-01-001-001-A01.

Part: DOOR SILL — CORRODED (SERVICE DOOR) · airframe 30,869 hrs · 21,331 cycles

*CORROSION NOTED AT SERVICE DOOR SILL (C-CHECK) RO 3/4/2021 REPLACED SERVICE DOOR SILL ANGLE REF DWG SH670-31950 REV . Y CRJ900 SRM 51-42-06-001-001-A01. COMPLIED WITH 51-900-1002-SKY. SEE CONTINUE CARD FOR DETAILS.

Part: ACCESS PANEL — CHAFED (LT WING) · airframe 30,869 hrs · 21,331 cycles

L/H WING INBOARD-FLAP ACCESS PANEL # 584LB IS CHAFED WHERE MARKED. (C-CHECK) RO 3/4/2021 REPLACED LH WING INBORD FLAP ACCESS PANEL # 584LB WITH NEW PANEL PN# CC670-14179-1 PO# T-53929 PER REFERENCE CRJ 900 SRM 51-40-11-001-001-A01 INSTALLED ON CAMP 22027516

Part: ACCESS PANEL — CHAFED (LT WING) · airframe 30,869 hrs · 21,331 cycles

L/H WING INBOARD-FLAP ACCESS PANEL # 584JB IS CHAFED WHERE MARKED. (C-CHECK) RO 3/4/2021 REPLACED PANEL #584JB WITH NEW PANEL PN# CC670-14178-1 PER REFERERENCE CRJ 900 SRM 51-40-11-001-001-A01. PART IS INSTALLED ON MX TRANS# 22027516 OP# 91516260 OP# 7005

Part: VANE — CHAFED (LT WING TE FLAP) · airframe 30,869 hrs · 21,331 cycles

* THE LH INBOARD FLAP VANE PANEL 584HT IS CHAFED. (C-CHECK) RO 3/4/2021 FOUND REMAINING MATERIAL ON 584HT TO BEYOND ALLOWABLE DAMAGE LIMITS. REMOVED AND REPLACED WITH NEW 584HT REF CRJ 900 SRM 51-40-11-001-001-A01. SEE CONTINUATION CARD FOR DETAILS. INSTALLED ON CAMP 22027516.

Part: SKIN — DENTED (RT WING TE FLAP) · airframe 30,869 hrs · 21,331 cycles

* THE RH WING INBOARD FLAP PANEL HAS A DENT ON ITS LOWER SKIN NEAR THE TRAILING EDGE BETWEEN FLS112.30 AND FLS120.20. (MARKED WITH RED GREASE PENCIL) (C-CHECK) RO 3/4/2021 COMPLIED WITH NON-FLUSH PERMANENT REPAIR TO THE RH IB FLAP LOWER SKIN REF CRJ 900 SRM 57-52-01-201-001-A01 SEE CONTINUATION CARD FOR DETAILS. COMPLIED WITH 51-900-1002-SKY. COMPLETED FORM M-337.

Part: PANEL — CHAFED (RT WING TE FLAP) · airframe 30,869 hrs · 21,331 cycles

* THE RH INBOARD FLAP VANE PANEL 684HT IS CHAFED (C-CHECK) RO 3/4/2021 CHAFE DAMAGE BEYOND ALLOWABLE DAMAGE LIMITS. REMOVED AND REPLACED WITH NEW 684HT PANEL REF CRJ 900 SRM 51-40-11-001-001-A01. SEE CONTINUATION CARD FOR DETAILS. INSTALLED ON CAMP 22027515.

Part: PANEL — CHAFED (RT WING TE FLAP) · airframe 30,869 hrs · 21,331 cycles

* THE RH INBOARD FLAP VANE PANEL 684ET IS CHAFED. (C-CHECK) RO 3/4/2021 CHAFE IS BEYOND ALLOWABLE DAMAGE LIMITS ON 684ET. REMOVED AND REPLACED 684ET REF CRJ 900 SRM 51-40-11-001-001-A01. SEE CONTINUATION CARD FOR DETAILS. INSTALLED ON CAMP 22027515.

Part: VANE — CHAFED (LT WING TE FLAP) · airframe 30,869 hrs · 21,331 cycles

* THE LH INBOARD FLAP VANE PANEL 584ET IS CHAFED. (C-CHECK) RO 3/4/2021 (C-CHECK) RO 3/4/2021 FOUND REMAINING MATERIAL ON 584ET TO BEYOND ALLOWABLE DAMAGE LIMITS. REMOVED AND REPLACED WITH NEW 584ET REF CRJ 900 SRM 51-40-11-001-001-A01. SEE CONTINUATION CARD FOR DETAILS. INSTALLED ON CAMP 22027516.

Part: SEAT TRACK — CRACKED (CABIN) · airframe 30,761 hrs · 21,257 cycles

SEAT 12C SEAT TRACK IS CRACKED. FILED CLOSED. REMOVED AND REPLACED SEAT 12C SEAT TRACK, REF CRJ900 AMM.

Part: WINDOW — FAILED (RIGHT) · airframe 30,082 hrs · 20,692 cycles

RT WINDOW HEAT CAUTION IN FLIGHT. COMPLIED WITH QRH. MESSAGE RETURNED WITH POSSIBLE WINDOW CRACKING, RAN THAT QRH. FLIGHT 3641. REMOVED AND REPLACED THE RIGHT SIDE WINDOW IAW AMM, CW TASK CARD.

Part: VALVE — FAILED (ANTI ICE) · airframe 26,035 hrs · 17,862 cycles

ENROUTE EXPERIENCED FLUCTUATING LEFT PACK, FOLLOWED BY LEFT BLEED DUCT WARNING. DIVERTED. INSTALLED VALVE MUFF IAW AMM. RAN WING ANTI-ICE SYSTEM AND LEAK CHECKED WING ANTI-ICE VALVE AND ASSOCIATED BLEED DUCTING. NO LEAKS NOTED.

Part: ENGINE — POWER LOSS (LEFT) · airframe 23,060 hrs · 15,899 cycles

AFTER DEPARTURE, THE LT ENGINE LOST POWER MOMENTARILY. RETURNED TO FIELD WITH LT ENGINE SET AT IDLE. FLIGHT LANDED SAFELY. REMOVED AND REPLACED LT ENGINE ASSY IAW AMM. OPS CHECKED GOOD.

Part: FLOORBEAM — CORRODED (BS 280) · airframe 23,006 hrs · 15,868 cycles

RIGHT BS 280 FLOORBEAM FOUND TO BE CORRODED AT RBL 8. REMOVED AND REPLACED THE FLOORBEAMIAW SRM.

Part: BATTERY PACK — INOPERATIVE (FLASHLIGHT) · airframe 16,241 hrs · 11,573 cycles

AFT F/A FLASHLIGHT IS INOPERATIVE. REPLACED THE BATTERY PACK.

Part: WIRE — BROKEN (EMERGENCY LIGHT) · airframe 15,637 hrs · 11,150 cycles

FOUND BROKEN WIRE AT DS94 RT FWD OVERWING EMERGENCY LIGHT. REPAIRED WIRE IAW ESPM AND AMM.

Part: PIN — DAMAGED (EMERGENCY LIGHT) · airframe 15,637 hrs · 11,150 cycles

EMERGENCY LIGHT PIN DAMAGED. REPLACED EMERGENCY LIGHT PIN.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 14,427 hrs · 10,377 cycles

EMERGENCY LIGHT AT EXIT ROW IS BURNED OUT. FLT 4712 RELAMPED.

Part: SKIN — CHAFED (FUSELAGE) · airframe 13,731 hrs · 9,929 cycles

FOUND MINOR CHAFE ON BELLY AT FS 913-927 STRINGER 27. C-CHECK REPAIR TO FS SKIN FS 913 TO 927 AT STRINGER 27 IAW REO.

Part: CONTROL VALVE — FAULTY (AC BAY) · airframe 12,874 hrs · 9,335 cycles

STRONG BURNING SMELL IN FLIGHT DECK AND CABIN ON FINAL APPROACH, LIGHT HAZE OR SMOKE IN CABIN. REPLACED FLOW CONTROL VALVE ON RT PACK IAW AMM.

Part: STRUCTURE — CRACKED (PAX DOOR) · airframe 12,848 hrs · 9,315 cycles

ON THE AFT SIDE OF PAX DOOR WHERE THE DOOR CABLE GOES INTO THE DOOR, THE DOUBLER HAS A CRACK. (C-CHECK) REPAIRED PASSENGER DOOR AFT SIDE IAW REO.

Part: LIFE VEST — UNSERVICEABLE (CABIN) · airframe 12,583 hrs · 9,126 cycles

AFT FLIGHT ATTENDANT LIFE VEST BAG TORN. REMOVED & REPLACED AFT FLIGHT ATTENDANT LIFE VEST IAW AMM 25-61-03.

Part: SKIN — DENTED (TE FLAP) · airframe 11,759 hrs · 8,556 cycles

LEFT INBOARD FLAP LOWER SKIN DENTED AT FLAP STATION 30.0 MEASURING 2.25 X 2.0 X 0.050" DEEP. REPAIRED IAW SRM 57-52-01 REPAIR 1, NON-FLUSH REPAIR.

Part: BATTERY — DISCHARGED (CABIN) · airframe 11,466 hrs · 8,333 cycles

TWO EXTERIOR EMERGENCY LIGHTS AND 1 INTERIOR EMERGENCY LIGHT INOP. REMOVED AND REPLACED NR 5 EMERGENCY LIGHT BATTERY IAW AMM 33-51-17. OPS CHECK GOOD.

Part: UNKNOWN — ODOR (GALLEY) · airframe 11,264 hrs · 8,182 cycles

F/A SMELLED ELECTRICAL SMOKE IN GALLEY. INSPECTED GALLEY, COCKPIT AND AVIONICS BAY FOR SIGNS OF ELECTRICAL BURNS WITH NO DEFECTS NOTED AT THIS TIME PER CRJ-900 AMM#05-20-00.

Part: LIGHT — DAMAGED (CABIN) · airframe 11,127 hrs · 8,079 cycles

SEVERAL FEET OF FLOOR TRACK EMERGENCY LIGHT TRIM COVER DEGRADED. REMOVED AND REPLACED IAW CMM 33-51-01.

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 9,570 hrs · 6,944 cycles

AIR RETURN ON CLIMB CABIN PRESS A 0.1 NEVER PRESSURIZED AT 9000FT CABIN ALT CAUTION MESSAGE. PERFORMED GVT OF A/C WITH NO DEFECTS NOTED INSP OUTFLOW VALVE WITH NO DEFECTS PERFORMED OPERATIONAL TEST OF THE CABIN PRESSURE CONTROLS IAW CRJ900 AMM 21-31-00 CKS GOOD PRESSURIZED A/C WITH NO DEFECTS REF CRJ 900 AMM 21-31-00 AND NO LEAKS DETECTED A/C FOUND OK FOR SVC.

Part: BLADE — LACK OF LUBE (NR 1 ENGINE) · airframe 9,474 hrs · 6,874 cycles

NR 1 ENG N1 VIB AT POWER SETTINGS ABOVE 75 PERCENT N1 AND 280 KNOTS. PERFORMED FAN BLADE TANG LUBRICATION IAW CRJ900 AMM 72-21-02 AND CRJ900 AMM 12-20-72 VIB CHECK GOOD. PERFORMED HIGH POWER RUN REF CRJ900 AMM 71-00-00.

Part: CONTROL UNIT — MALFUNCTIONED (SPOILER SYS) · airframe 9,474 hrs · 6,874 cycles

SSCU 1 FAULT SSCU 2 FAULT. PERFORMED CYCLING OF CBP-1 F1, CBP-2 F1, R3 & R4 IAW FIM 27-61-00. PERFORMED SPOST NR 2 IAW AMM 27-61-05. OPS CHECK GOOD. OK FOR SVC.

Part: TRIM SWITCH — DEFECTIVE (COCKPIT) · airframe 9,238 hrs · 6,728 cycles

CAPTS STAB TRIM SWITCH INOP. REMOVED AND REPLACED CAPT'S STAB TRIM SWITCH IAW AMM 27-41-05. OP CHECK GOOD. PART EFFECTIVITY VERIFIED.

Part: BATTERY — DISCHARGED (FLASHLIGHT) · airframe 9,268 hrs · 6,728 cycles

AFT F/A FLASHLIGHT LIGHT DOES NOT BLINK. REMOVED AND REPLACED AFT F/A FLASHLIGHT BATTERY. OPS CHECK GOOD PER CRJ900 AMM 25-61-00. OK FOR SERVICE. PART EFFECTIVITY VERIFIED.

Part: TIRE — POPPED (RT MLG) · airframe 9,171 hrs · 6,626 cycles

RT MAIN TIRE POPPED ON LANDING RECEIVED ANTI-SKID OUTBOARD CAUTION ON LANDING. REMOVED AND REPLACED RT ANTISKID CONTROL VALVE IAW AMM 32-44-11 SYSTEM OPS CHECK GOOD PER AMM 32-44-00 LEAK CHECK GOOD. REMOVED AND REPLACED RT OUTBOARD AND INBOARD MAIN TIRE AND WHEEL ASSYS IAW AMM 32-41-01. SWAPPED INBOARD WHEEL SPEED TRANSDUCER FOR TROUBLSHOOTING IAW AMM 32-44-01 OPS CHECK GOOD. COMPLY WITH A FUNCTIONAL CHECK OF RT WHEEL SPEED TRANSDUCER IAW AMM 32-44-00 FUNCTIONAL CHECK GOOD. C/W ANTI-SKID TROUBLSHOOTING AS REQUIRED IN BOMBARDIER ACTION PLAN NR 1 DATED 18-OCT-2011. C/W TIRE BURST INSP IAW AMM 05-51-29 NO DAMAGE NOTED OK FOR SERVICE. A/C REQUIRES FUNCTIONAL CHECK FLIGHT FOR REPEAT ANTI-SKID FAILURE INVOLVING TIRE BURSTS UPON LANDING. FUNCTIONAL CHECK FLIGHT SATISFACTORY.

Part: ACM — FAILED (AC BAY) · airframe 8,544 hrs · 6,195 cycles

AIR RETURN FOR SMOKE IN THE CABIN. CREW DECLARED AN EMERGENCY. FLIGHT LANDED WITHOUT FURTHER INCIDENT. OUTSTATION MX CONFIRMED THAT THE RT PACK SEIZED UP AND PRODUCED SMOKE AND FUMES SMELL. PERFORMED HIGH POWER RUNS WITH CREW AND MAINTENANCE, NO FURTHER DISCREPANCIES WERE FOUND. DEFERRED PER MEL 21-51-01. REMOVED AND REPLACED RT ACM.

Part: PCU — FAILED (SPOILER) · airframe 8,544 hrs · 6,195 cycles

CREW DECLARED AN EMERGENCY ON APPROACH TO ATL LEFT O/B SPOILERON FAILED MASTER CAUTION ALONG WITH OTHER SPOILER RELATED MESSAGES. REMOVED AND REPLACED RIGHT O/B SPOILER PCU IAW CRJ 900 AMM 27-62-01.

Part: SELECTOR VALVE — FAULTY (LANDING GEAR) · airframe 8,308 hrs · 6,043 cycles

GEAR DISAGREE AFTER TAKEOFF WORKING GEAR SELECTOR VALVE REPLACEMENT IAW CRJ900 AMM 32-32-10.

Part: HANDLE — CRACKED (E&E DOOR) · airframe 7,427 hrs · 5,380 cycles

A CRACK WAS FOUND ON THE HOUSING OF THE MAIN AVIONICS DOOR HANDLE (P/N H3445-5). THE CRACK WAS REPORTED TO BE AROUND ABOUT 170 DEGREES OF THE HOUSING CIRCUMFERENCE. TEMPORARY REPAIR IAW STS ENGINEERING EA 09-2011-014. REPEAT INSPECTION EVERY 10 FLIGHT HOURS. AT 150 FLIGHT HOURS, REMOVE AND REPLACE HANDLE (P/N H3445-5) IN ACCORDANCE WITH AMM 52-42-03-000-801 AND 52-42-03-400-801.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 6,853 hrs · 5,096 cycles

LIGHTNING STRIKE DAMAGES TO FUSELAGE SKINS AT FS 954.00 AND AFT OF FS 1031.00 ON STR 24L.DAMAGES ARE AS FOLLOWS: AT FS 954.00 ON STR 24L - 0.100"L X 0.050"W X 0.032" DEEP. AFT OF FS 1031.00 ON STR 24L - 0.090"L X 0.055"W X 0.020" DEEP. FERRY FLY ATL-MEM IAW BOMBARDIER REO 690-53-00-137. TEMPORARY REPAIR IAW BOMBARDIER REO 690-53-00-137. VISUALLY INSPECT INTERVALS NOT TO EXCEED 300FH. WITHIN 2000 FH, PERMANENT REPAIR IAW BOMBARDIER SRM 52 INSTRUCTIONS.

Part: DOOR — BURNED (NLG) · airframe 6,851 hrs · 5,096 cycles

LEFT NOSE LANDING GEAR DOOR HAS EVIDENCE OF FOUR (4) LIGHTNING DISCHARGES. THE DISCHARGES ARE AT THE LEADING AND OUTBOARD EDGES OF THE DOOR WITH SIZES RANGING FROM 0.10 INCH DAMAGE TO A 1.0 INCH BY 0.30 INCH AREA. ALL DAMAGE APPEARS TO BE LIMITED TO THE PAINT / ALUMINUM MESH LAYER WITH NO EXPOSED OR FRAYED COMPOSITE LAYERS VISIBLE. TEMPORARY REPAIR IAW STS ENGINEERING EA 5-2010-293. AT THE NEXT C CHECK INTERVAL NOT TO EXCEED 5,000 FLIGHT HOURS AFTER ACCOMPLISHMENT OF SECTION I, ACCOMPLISH A PERMANENT REPAIR TO THE LEFT NOSE GEAR DOOR IN ACCORDANCE WITH CRJ-200 SRM 51-74-02.

Part: WARNING SYSTEM — MALFUNCTIONED (COCKPIT) · airframe 6,224 hrs · 4,662 cycles

INBOARD FLT SPLRS CAUTION. PERFORMED SPOST TEST, OPS CHECK GOOD IAW CRJ900 AMM 27-60-05.