N187PQ

Part: INSERT — DAMAGED (OVER HEAT LOOP) · airframe 36,462 hrs · 26,472 cycles

L BLEED DUCT WARNING MSG CLIMBING THROUGH 14,500. COMPLIED WITH QRH. DIVERTED TO CDC. (FLIGHT 4320 - FILED CLOSED) TROUBLESHOT IN REFERENCE TO FIM 36-21-01. INTEROGATED MDC AND FOUND LH BLEED TO HAVE A LEAK/SHORT EVENT ON LOOP B AND A LEAK EVENT FOR LOOP A LOCATED ABOUT 57% - 65%. AT THIS LOCATION, FOUND BOTH LOOPS CONTACTING THE DUCT. READJUSTED BOTH LOOPS AS REQUIRED. DURING OHM CHECK OF BOTH LOOPS, FOUND LOOP A'S READING FLUCTUATING SLIGHTLY DURING BLEED AIR OPERATIONS. FOUND MT 142 P2 CERAMIC INSERT TO BE CAUSING THE FLUCTUATION. REMOVED AND REPLACED CERAMIC INSERT AT THIS LOCATION AND FOUND OHM READING TO STABILIZE. PERFORMED LRU OPS CHECKS OF THE AILC SYSTEM IN REFERENCE TO AMM 36-21-01 AND FOUND THE SYSTEM TO BE IN SERVICEABLE CONDITION. ALSO INSPECTED THE LH PACK SYSTEM FOR BLEED LEAKS AND DID NOT FIND ANYTHING LEAKING AT THIS TIME. REVIEWED 1 MONTH OF HISTORY AND VERIFIED THAT THIS WAS NOT A REPEAT ISSUE.

Part: FRAME — DAMAGED (ZONE 10) · airframe 36,426 hrs · 26,423 cycles

PERFORM FRAME SPLICE REPAIR TO FRAME FS985.00 TO FOM. STRINGER 23L REPAIR FOR JOB HN00166318 (MX TRANS #28602248) (C-CHECK RO 8/24/2024) FABRICATED REPAIR PARTS AND INSTALLED ON FS985, STGR 19L TO STGR26L REF. CRJ-900 SRM, 51-42-06-001-001-A01, CRJ-900 SRM, 53-00-06-201-001-A03 AND DWG MM690-35007 REV -U. COMPLIED WITH TASK CARD 51-900-1002-SKY, LEAK CHECK GOOD.

Part: BRACKET — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

BRACKET ASSY SH670-96034 BETWEEN FS280 - FS 295 AT STR 22R IS 100% CORRODED REPLACE WITH NEW (C-CHECK RO 8/24/2024) REMOVED AND INSTALLED NEW FABRICATED BRACKET ASSY BETWEEN FS280 - FS295 AT STR 22R REF CRJ-900 SRM 51-42-06-001-001-A01 AND DWG SH670-96000, REV AB. COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY.

Part: FRAME — DAMAGED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

CUT, REMOVE AND REINSTALL MAIN AVIONICS BAY FS333.00 FRAME FROM STR 20R TO STR 25R TO FOM STRINGER REPLACEMENTS ON RH SIDE. (C-CHECK RO 8/24/2024) REMOVED AND INSTALLED NEW FRAME FS333 FROM STR 20R - STR25R AND FRAME SPLICE (-2) AND REINFORCEMENT ANGLE SPLICE (-3) AND CLEAT (-4) REF REO 690-53-21-1811 REV--, DATED 2024-07-29 AND REF CRJ-900 SRM 51-42-06-001-001-A01. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: STRINGER — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

MAIN AVIONICS BAY STR 24R CORRODED BETWEEN FS333.00 AND FS364.00. (C-CHECK RO 8/24/2024) REMOVED AND SPLICED IN NEW SECTION OF STGR AT 24R FROM FS333 TO FS671 REF CRJ900 SRM 53-00-03-201-001-A02 FIG 53-00-03-995-806 (SHT 7 OF 23). COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY. LEAK CHECK GOOD.

Part: STRINGER — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

MAIN AVIONICS BAY STR 21R CORRODED BETWEEN FS295.00 AND FS333.00 (C-CHECK RO 8/24/2024) REMOVED AND REPLACED STGR 21R FROM FS280-FS333 REF CRJ-900 SRM 51-42-21-001-001-A01, CRJ-900 SRM 51-42-21-001-001-A01 AND DWG SH670-31630 REV K. COMPLIED WITH SKYWEST TASK CARD 51-900-1002-SKY, LEAK CHECKS GOOD.

Part: STRINGER — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

MAIN AVIONICS BAY STR 23R CORRODED BETWEEN FS333.00 AND FS349.00 (C-CHECK RO 8/24/2024) REMOVED AND INSTALLED NEW STR 23R FROM FS333 - FS379 REF CRJ-900 SRM 51-42-06-001-001-A01 AND DWG SH690-31350 REV M. COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY. LEAK CHECK GOOD.

Part: STRINGER — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

MAIN AVIONICS BAY STR 23R SPLICE AT FS333.00 CORRODED (C-CHECK RO 8/24/2024) REMOVED AND INSTALLED NEW STR 23R SPLICE AT FS333 REF CRJ-900 SRM 51-42-06-001-001-A01 AND DWG SH670-32420 REV E. COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY. LEAK CHECK GOOD.

Part: STRINGER — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

MAIN AVIONICS BAY STR 23R CORRODED BETWEEN FS280.00 AND FS333.00 (C-CHECK RO 8/24/2024) INSTALLED NEW STRINGER STR 23R FROM FS280 - FS333 REF CRJ-700 SRM 51-42-06-001-001-A01 AND SRM 51-42-21-001-001-A01 AND DWG SH670-31630 REV K COMPLIED WITH SKYCARD 51-900-1002-SKY LEAK CHECK GOOD.

Part: STRINGER — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

MAIN AVIONICS BAY STR 21R CORRODED BETWEEN FS333.00 AND FS349.00 (C-CHECK RO 8/24/2024) REMOVED AND INSTALLED NEW STR 21R FROM FS333 - FS379 REF CRJ-900 SRM 51-42-06-001-001-A01 AND DWG SH690-31350 REV M. COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY. LEAK CHECK GOOD.

Part: STRINGER SPLICE — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

MAIN AVIONICS BAY STR 21R SPLICE AT FS333.00 CORRODED (C-CHECK RO 8/24/2024) REMOVED AND INSTALLED NEW STR 21R SPLICE AT FS333 REF CRJ-900 SRM 51-42-06-001-001-A01 AND DWG SH670-32420 REV E. COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY. LEAK CHECK GOOD.

Part: STRINGER SPLICE — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

MAIN AVIONICS BAY STR 24R SPLICE AT FS333.00 CORRODED (C-CHECK RO 8/24/2024) REMOVED AND INSTALLED NEW STR 24R SPLICE AT FS333 REF CRJ-900 SRM 51-42-06-001-001-A01 AND DWG SH670-32420 REV E. COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY. LEAK CHECK GOOD.

Part: STRINGER — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

*AFTER REMOVAL OF AVIONOICS EQUIPMENT FOR REPAIR ACCESS FOUND STGR 22R HAS CORROSION AT FS349. (C-CHECK RO 8/24/2024) REMOVED AND INSTALLED NEW STR 22R BETWEEN FS333.00 AND FS349.00 REF CRJ-900 SRM 51-42-06-001-001-A01 AND DWG SH690-31350 REV M. COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY. LEAK CHECK GOOD.

Part: STRINGER — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

*AFTER REMOVAL OF AVIONOICS EQUIPMENT FOR REPAIR ACCESS FOUND STGR 22R HAS CORROSION BETWEEN FS310 AND FS319.70. (C-CHECK RO 8/24/2024) INSTALLED NEW STRINGER STR 22R FROM FS280 - FS333 REF CRJ-700 SRM 51-42-06-001-001-A01 AND SRM 51-42-21-001-001-A01 AND DWG SH670-31630 REV K. COMPLIED WIT SKYH WEST TC 51-900-1002-SKY. LEAK CHECKED GOOD.

Part: STRINGER SPLICE — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

*AFTER REMOVAL OF AVIONOICS EQUIPMENT FOR REPAIR ACCESS FOUND STGR 22R SPLICE UNDER FRAME AT FS333 HAS CORROSION. (C-CHECK RO 8/24/2024) REMOVED AND REPLACED STGR 22R SPLICE AT FS333 REF. CRJ-900 SRM, 51-42-06-001-001- A01 AND DWG SH670-32420 REV E. COMPLIED WITH TASK CARD 51-900-1002-SKY. PRESSURE LEAK CHECKS GOOD.

Part: ATTACH ANGLE — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

*AFTER REMOVAL OF AVIONOICS EQUIPMENT FOR REPAIR ACCESS FOUND CLIP ATTACHING STGR 22R TO FRAME AT FS319 HAS CORROSION. (C-CHECK RO 8/24/2024) REMOVED AND INSTALLED STRINGER CLEAT AT STR 22R FS319 REF CRJ-900 SRM 51-42-06-001-001-A01 AND DWG SH670-35624 REV NC. FOUND TO BE OUT OF LIMITS REF CRJ-900 SRM 53-21-03-101-002-A04.COMPLIED WITH 51-900-1002--SKY

Part: SEAT TRACK — DAMAGED (ZONE 200) · airframe 36,426 hrs · 26,423 cycles

DAMAGED HOLES FOUND BEHIND LH SIDE SEAT RAIL (847.00+48-FS865) AT LOCATION FS 847.00+62 AND FS 881.00 (C-CHECK RO 8/24/2024) COMPLIED WITH ALL STEPS OF REO 690-53-51-428 REV -- DATED: 2024-07-29, REPAIR FOR DAMAGED HOLES IN SIDE SEAT TRACK SUPPORT STRUCTURE BETWEEN FS847.00+32.00 & FS849.00, LHS. COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY.

Part: ANGLE — CORRODED (ZONE 200) · airframe 36,426 hrs · 26,423 cycles

SERVICE DOOR LOWER MOUNTING ANGLE, BETWEEN FS 349.0 TO FS 319.0 IS CORRODED. PART# SH670-31996-3. (C-CHECK RO 8/24/2024) SERVICE DOOR LOWER MOUNTING ANGLE, BETWEEN FS 349.0 TO FS 319.0 CORROSION IS OUT OF LIMITS. REMOVED AND INSTALLED REPLACEMENT ANGLE REF DRW. SH670-31950 REV Y. REF CRJ900 SRM 51-42-06-001-001-A01, AND REF CRJ900 SRM 51-42-36-001-001-A01. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: FAIRING — CHAFED (ZONE 400) · airframe 36,426 hrs · 26,423 cycles

DURING AUDIT OF 1C TASK CARD 54-440-301 (INTERNAL ZONAL INSPECTION OF THE LEFT NACELLE (EWIS)), FOUND LOWER HINGE LINE FAIRING RUBBING ON BOTTOM SIDE OF FWD. ENGINE MOUNT. (C-CHECK RO 8/24/2024) REWORKED LEFT FWD ENGINE MOUNT LOWER SIDE REF REO 670-71-21-057 REV. -- DATED: 2013-09-13, STEP 7 AND REO 690-71-21-046 REV-- DATED 2024-07-05. COMPLIED WITH 51-900-1002-SKY

Part: PANEL — DAMAGED (ZONE 500) · airframe 36,426 hrs · 26,423 cycles

FOUND ELONGATED HOLES ON PANEL 511AZ AND ASSOCIATED STRUCTURE (MARKED) CAMP 28489966 (C-CHECK RO 8/24/2024) PERFORMED REPAIR FOR ELONGATED FASTENER HOLES TO LH COLLECTOR TANK PANEL AND ACCESS PANEL 511AZ IAW ALL STEPS OF REO 690-57-11-127 REV--, DATED 2024-07-30. COMPLIED WITH TASK CARD 51-900-1002-SKY. FREEZE PLUG FOR OPENED HOLE, NO WEIGHT CHANGE

Part: FLOOR SUPPORT — CRACKED (ZONE 200) · airframe 36,426 hrs · 26,423 cycles

ANGLE FLOOR SUPPORT ON LBL 12.00 BETWEEN FS 250 - FS 280.00 HAS CRACK (C-CHECK RO 8/24/2024) REMOVED AND INSTALLED NEW LH ANGLE FLOOR SUPPORT P/N CC670-33199-3 ON LBL 12.00 FS 250.00 - FS 280.00 REF CRJ900 SRM 51-42-06-001-001-A01 AND DWG CC670-33052 REV -G. COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY

Part: FLOORBEAM — CRACKED (ZONE 200) · airframe 36,426 hrs · 26,423 cycles

CRACK FOUND ON R/H FLOOR SUPPORT ANGLE COMMON TO CENTER FLOORBEAM AT FS 280.0 RBL 12.0 (C-CHECK RO 8/24/2024) REMOVED AND REPLACED FLOOR SUPPORT ANGLE AT RBL 12.0 FS 280.0 REF CRJ900 SRM 51-42-06-001-001-A01 AND DWG CC670-33052 REV-G. COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY (CL600-2D24) STRUCTURAL MAJOR REPAIR (**RII**)

Part: FLOOR SUPPORT — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

CORROSION ON FLOOR BEAM LBL 27.0 BETWEEN FS1000.00 AND FS1031.00, TOP EXTERNAL SURFACE. AREAS MARKED (C-CHECK RO 8/24/2024) REMOVED AND REPLACED FLOOR BEAM SECTION AT LBL27 REF CRJ900 SRM 53-00-41-201-001-A03 AND DWG MM690-35041 REV AB. COMPLIED WITH ALL STEPS OF REO 690-53-61-1419 REV -- DATED: 2024-07-09 AND COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY.

Part: BULKHEAD — CORRODED (ZONE 200) · airframe 36,426 hrs · 26,423 cycles

CORROSION FOUND ON R/H LOWER BULKHEAD WEB AT FS 280.0 (C-CHECK RO 8/24/2024) REMOVED AND INSTALLED NEW AT FS 280.0 R/H LOWER BULKHEAD WEB REF CRJ 900 SRM 53-11-10-201-004-A01. COMPLIED WITH 51-900-1002-SKY.PART EXFOLIATED . 100% MATERIAL LOSS . OUT OF LIMITS REF CRJ 900 SRM 53-11-10-201-004-A01

Part: COAMING — CHAFED (ZONE 400) · airframe 36,426 hrs · 26,423 cycles

L/H LWR TRANSCOWL INNER COAMING IS CHAFED @ FWD LATCH (C-CHECK RO 8/24/2024) REPAIRED L/H LWR TRANSCOWL INNER COAMING PER REO 690-54-21-504 REV -- DATED 2024-07-25. COMPLIED WITH STEPS 1-26. SEE CONTINUE CARD FOR INDIVIDUAL SIGN OFFS. COMPLIED WITH TASK CARD 51-900-1002-SKY FOR STRUCTURAL MAJOR REPAIR.

Part: FLOORBEAM — CRACKED (ZONE 200) · airframe 36,426 hrs · 26,423 cycles

CRACK FOUND IN LOWER RADIUS OF R/H CENTER COCKPIT FLOORBEAM AT FS 280.0 STR RBL 12.0 (C-CHECK RO 8/24/2024) REMOVED AND INSTALLED NEW RH CENTER FLOOR BEAM SECTION REF CRJ 900 SRM 53-11-43-201-003-A01 REPAIR 4. COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY.

Part: DOUBLER — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

THE WIFI AFT ATG ANTENNA DOUBLER HAS CORROSION ON THE EXTERIOR SURFACE AND FRETTING CORROSION ON MATING SURFACE FOR ANTENNA. (MARKED) (C-CHECK RO 8/24/2024) REMOVED AND INSTALLED NEW EXTERNAL DOUBLER AT WIFI AFT ATG ANTENNA BETWEEN FS1000-FS1050 STGR 25R-STGR 26R REF. CRJ-900 SRM, 51-42-21-001-001-A01, 51-42-20-001-001-A01 AND DWG P13112-20110 REV H. COMPLIED WITH TASK CARD 51-900-1002-SKY, LEAK CHECKS GOOD.

Part: CROSSBEAM — CORRODED (ZONE 200) · airframe 36,426 hrs · 26,423 cycles

CORROSION FOUND ON L/H CROSSBEAM FS 280.0 BETWEEN RBL 9.0 - LBL 9.0 (C-CHECK RO 8/24/2024) REMOVED AND INSTALLED NEW LH CROSSBEAM AT FS 280.00 REF CRJ900 SRM 51-42-06-001-001-A01, SRM 51-42-22-001-001-A01, SRM 51-42-13-001-001-A01 AND DWG CC670-34010 REV -K, COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY.

Part: HINGE — GOUGED (ZONE 200) · airframe 36,426 hrs · 26,423 cycles

PAX DOOR PIANO HINGE, FUSELAGE SIDE, LUG #18 IS GOUGED (MARKED) (C-CHECK RO 8/24/2024) REMOVED DAMAGE AT PAX DOOR PIANO HINGE, FUSELAGE SIDE, LUG #18 REF CRJ900 SRM 51-12-00-001-001-A01. WITHIN LIMITS IAW CRJ900 SRM 53-21-23-201-010-A01 TYPE I STEP 2. RESTORED FINISH AT BLENDED LOCATION REF CRJ900 SRM 51-25-16-001-001-A01. COMPLIED WITH ALL STEPS OF CRJ900 SRM 53-21-23 201-010-A01 TYPE 1 REPAIR. COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY.

Part: ATTACH ANGLE — CORRODED (ZONE 600) · airframe 36,426 hrs · 26,423 cycles

THE RH MLG WHEEL WELL TIRE BURST PANEL ATTACH ANGLE ON THE FWD SIDE OF WHEEL WELL IS CORRODED. (MARKED) (C-CHECK RO 8/24/2024) TIRE BURST ANGLE P/N CC670-10338-2 ON R/H WING REAR SPAR HAS EXFOLIATED CORROSION ON MULTIPLE ELEMENTS ACROSS ENTIRE LENGTH OF PART. THERE IS NO ALLOWABLE DAMAGE LIMITS PROVIDED FOR THE TIRE BURST STRUCTURE. REMOVED R/H TIRE BURST ANGLE REF: CRJ 900 SRM 51-42-21-001-001-A01. ORDERED AND RECEIVED P/N CC670-10338-2. DRILLED AND LOCATED P/N CC670-10338-2 REF CRJ 900 SRM 51-40-11-001-001-A01. INSTALLED P/N CC670-10338-2 REF CRJ 900 SRM 51-42-21-001-001-A01. AND DWG# CC670-10320 REV -F. COMPLIED WITH 51-900-1002-SKY (CL600-2D24) STRUCTURAL MAJOR REPAIR (**RII**)

Part: CROSSBEAM — CORRODED (ZONE 200) · airframe 36,426 hrs · 26,423 cycles

CORROSION FOUND ON R/H CROSSBEAM FS 280.0 BETWEEN RBL 9.0 - LBL 9.0 (C-CHECK RO 8/24/2024) REMOVED AND INSTALLED NEW R/H CROSSBEAM AT REWORK AREA REF BOMBARDIER DWG CC670-34010 REV K / CRJ 900 SRM 51-42-06-001-001-A01 / CRJ 900 SRM 51-42-21-001-001-A01 / CRJ 900 SRM 51-42-13-001-001-A01 / CRJ 900 SRM 51-42-24-001-001-A01. OUT OF LIMITS REF CRJ 900 SRM 53-11-10-201-003-A01.COMPLIED WITH 51-900-1002-SKY.

Part: ATTACH ANGLE — CORRODED (ZONE 600) · airframe 36,426 hrs · 26,423 cycles

THE LH MLG WHEEL WELL TIRE BURST PANEL ATTACH ANGLE ON THE FWD SIDE OF WHEEL WELL IS CORRODED. (MARKED) (C-CHECK RO 8/24/2024) TIRE BURST ANGLE P/N CC670-10338-1 ON L/H WING REAR SPAR HAS EXFOLIATED CORROSION ON MULTIPLE ELEMENTS ACROSS ENTIRE LENGTH OF PART. THERE IS NO ALLOWABLE DAMAGE LIMITS PROVIDED FOR THE TIRE BURST STRUCTURE. REMOVED L/H TIRE BURST ANGLE REF: CRJ 900 SRM 51-42-21-001-001-A01. ORDERED AND RECEIVED P/N CC670-10338-2. DRILLED AND LOCATED P/N CC670-10338-1 REF CRJ 900 SRM 51-40-11-001-001-A01. INSTALLED P/N CC670-10338-1 REF CRJ 900 SRM 51-42-21-001-001-A01. AND DWG# CC670-10320 REV -F. COMPLIED WITH 51-900-1002-SKY (CL600-2D24) STRUCTURAL MAJOR REPAIR (**RII**)

Part: FITTING — GOUGED (MLG WW) · airframe 36,426 hrs · 26,423 cycles

THE RH MLG SIDE STAY FITTING IS GOUGED ON THE INBD SIDE. (MARKED) (C-CHECK RO 8/24/2024) REPAIRED THE RH MLG SIDE STAY FITTING ON THE INBD SIDE BY COMPLYING WITH REO 690-57-11-128 REV -- DATED 2024-07-14, COMPLIED WITH 51-900-1002-SKY

Part: HINGE — GOUGED (ZONE 200) · airframe 36,426 hrs · 26,423 cycles

PAX DOOR PIANO HINGE, FUSELAGE SIDE, LAST LANDING #27 IS GOUGED FROM THE MIGRATED SPRING PIN (MARKED) (C-CHECK RO 8/24/2024) REMOVED DAMAGE ON PAX DOOR PIANO HINGE FUSELAGE SIDE AT LUG LAND AND LUG LOCATION IAW CRJ 900 SRM 53-21-23-201-010-A01 TYPE I STEP 1 AND TYPE IV STEP 1. FOUND REWORKED AREA TO BE WITHIN LIMITS AND RESTORED FINISH. COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY.

Part: HINGE — GOUGED (ZONE 200) · airframe 36,426 hrs · 26,423 cycles

PAX DOOR PIANO HINGE, DOOR SIDE, HAS NUMEROUS LUGS GOUGED (MARKED) (C-CHECK RO 8/24/2024) REMOVED DAMAGE ON PAX DOOR PIANO HINGE DOOR SIDE AT LUG LAND AND LUG LOCATION IAW CRJ 900 SRM 52-11-01-201-007-A01 TYPE I STEP 1 AND TYPE IV STEP 1. FOUND REWORKED AREA TO BE WITHIN LIMITS AND RESTORED FINISH.. COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY

Part: FAIRING — CHAFED (ZONE 400) · airframe 36,426 hrs · 26,423 cycles

DURING AUDIT OF 1C TASK CARD 54-440-301 (INTERNAL ZONAL INSPECTION OF THE RIGHT NACELLE (EWIS)), FOUND LOWER HINGE LINE FAIRING RUBBING ON BOTTOM SIDE OF FWD. ENGINE MOUNT. (C-CHECK RO 8/24/2024) REPAIRED BOTTOM SIDE OF FWD. ENGINE MOUNT BY COMPLYING WITH REO 670-71-21-057 REV -- 2013-09-13 & REO 690-71-21-045 REV-- 2024-07-05, COMPLIED WITH 51-900-1002-SKY

Part: VANE — CHAFED (ZONE 500 FLAP) · airframe 36,426 hrs · 26,423 cycles

LH INBOARD FLAP VANE LEADING EDGE CENTER VANE CAP CHAFFED (C-CHECK RO 8/24/2024) REMOVED REPAIR ITEM REF CRJ900 SRM 51-42-13-001-001-A01.INSTALLED NEW REPLACEMENT LH INBD FLAP VANE CAP, PN:CC670-14022-1, REF INSTALLATION DWG# CC670-14010, REV -E. AND CRJ900 SRM 51-42-13-001-001-A01. C/W 51-900-1002-SKY

Part: FRAME — CRACKED (ZONE 200) · airframe 36,426 hrs · 26,423 cycles

FRAME CRACKED FS333.00 BETWEEN STGR1R & 2R. (MARKED) (C-CHECK RO 8/24/2024) PERFORMED REPAIR AT FS333.00 BETWEEN STGR 1R AND 2R REF. REO 690-53-21-1792 REV.-- ISSUED 2024-07-04 COMPLIED WITH SKYWEST TASK CARD 51-900-1002-SKY (CL600-2D24) STRUCTURAL MAJOR REPAIR (**RII**)

Part: INTERCOSTAL — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

INTERCOSTAL LOWER FLANGE IS CORRODED BETWEEN FS394.00 -409.00 & STGR27 - 26R. (MARKED) (C-CHECK RO 8/24/2024) REMOVED AND REPLACED WITH NEW INTERCOSTAL ASSEMBLY, STGR 27 P/N: SH670-32075-3 ON FS394.00- FS409.00 AT STGR27- STGR26RH PER DWG SH670-32050 REV J. AND REF CRJ900 SRM 51-42-06-001-001-A01, AND CRJ900 SRM 51-42-21-001-001-A01. COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY. LEAK CHECK GOOD.

Part: SKIN — CRACKED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

LH TRU DOOR FUSELAGE SKIN CUT OUT, THE AFT LOWER CORNER POSSIBLY CRACKED IN THE RADIUS (MARKED) (C-CHECK RO 8/24/2024) REMOVED AND REPLACED THE CRACKED HYDRAULIC BAY SKIN ON THE LHS NOSE UNDER TRU BAY WITH NEW REPLACEMENT SKIN (P/N CC670-33106-5S) USING ALL NEW FASTENERS REF BOMBARDIER DWG# CC670-33040 REV -G AND CRJ900 SRM'S 51-42-06-001-001 A01 AND 51-42-13-001-001 A01AND REO 690-53-11-1807 REV -- DATED 2024-07-06. SEE CONTINUATION STEPS FOR FURTHER DETAILS. COMPLIED WITH 51-900-1002-SKY

Part: COAMING — CHAFED (ZONE 400) · airframe 36,426 hrs · 26,423 cycles

L/H UPPER TRANSCOWL INNER COAMING IS CHAFED @ FWD LATCH (C-CHECK RO 8/24/2024) REPAIRED L/H UPPER TRANSCOWL INNER COAMING PER REO 690-54-21-505 REV -- DATED 2024-07-31. COMPLIED WITH STEPS 1-25, SEE CONTINUE CARD FOR INDIVIDUAL SIGN OFFS. COMPLIED WITH TASK CARD 51-900-1002-SKY FOR STRUCTURAL MAJOR REPAIR.

Part: BRACKET — CRACKED (ZONE 400) · airframe 36,426 hrs · 26,423 cycles

L/H UPPER TRANSCOWL OTBD "A" BRACKET STANDOFF IS CRACKED (C-CHECK RO 8/24/2024) INSTALLED 1 EA. NEW OTBD. STANDOFF P/N CN 624-2082-201 ON L/H UPPER TRANS COWL, REF. REO 670-54-21-971, REV. B, 2023-11-28. COMPLIED WITH STEPS 1-3, AND COMPLIED WITH 51-900-1002-SKY.

Part: FRAME — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

CABIN INTERIOR CORROSION AT FS942.00 ON AFT SIDE FACE AND FLANGE BETWEEN STGR26R AND STGR25R AS MARKED (C-CHECK RO 8/24/2024) REMOVED DAMAGE FROM UNDERFLOOR FRAME, FS 942.00, BETWEEN STGR 25R - 26R REF CRJ900 SRM 51-21-06-001-001-A01. FOUND TO BE OUT OF LIMITS. REPAIRED DAMAGED FRAME PER REF CRJ 900 SRM 53-00-06-201-001-001-A03 AND CRJ900 SRM 51-42-06-001-001-A01. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: INTERCOSTAL — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

INTERCOSTAL LOWER FLANGE IS CORRODED BETWEEN FS394.00 -409.00 & STGR27 - 26L. (MARKED) (C-CHECK RO 8/24/2024) REMOVED AND REPLACED INTERCOSTAL, STGR 27 P/N: SH670-32075-4 WITH NEW ASSEMBLY REF DWG SH670-32050 REV J AND CRJ900 SRM 51-42-06-001-001-A01 AND REF CRJ900 SRM 51-42-21-001-001-A01.COMPLIED WITH TASK CARD 51-900-1002-SKY

Part: SKIN — CRACKED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

RH TRU DOOR FUSELAGE SKIN CUT OUT, THE AFT LOWER CORNER POSSIBLY CRACKED IN THE RADIUS (MARKED) (C-CHECK RO 8/24/2024) REMOVED AND REPLACED THE CRACKED RH ADG SKIN ON THE RHS NOSE UNDER TRU BAY WITH NEW REPLACEMENT SKIN (P/N CC670-33109-3) USING ALL NEW FASTENERS REF BOMBARDIER DWG# CC670-33035 REV-D AND CRJ900 SRM'S 51-42-06-001-001 A01 AND 51-42-13-001-001 A01 AND MHIRJ REO 690-53-11-1810 REV-- DATED 2024-07-17. COMPLIED WITH 51-900-1002-SKY.SEE CONTINUATION STEPS FOR FURTHER DETAILS.

Part: LATCH — CRACKED (TRU DOOR) · airframe 36,426 hrs · 26,423 cycles

LH TRU DOOR AFT LATCH CUT OUT ON THE FUSELAGE, POSSIBLY CRACKED IN THE RADIUS (MARKED) (C-CHECK RO 8/24/2024) REMOVED AND REPLACED CRACKED TRU BAY LANDING WITH NEW REPLACEMENT LANDING (P/N CC670-33151-3), USING ALL NEW FASTENERS, REF CRJ900 SRM 51-42-06-001-001 A01 AND MHIRJ REO 690-53-11-1807 REV --, DATED 2024-07-16. SEE CONTINUATION STEPS FOR FURTHER DETAILS. PART FOR PART REPLACEMENT, NO WEIGHT CHANGE. COMPLIED WITH 51-900-1002-SKY RVSM MAPPING ACCOMPLISHED ON MX#: 28553079 HN00175413.

Part: STIFFENER — LOOSE (ZONE 400) · airframe 36,426 hrs · 26,423 cycles

L/H UPPER TRANSCOWL Z STIFFENER RIVETS ARE PULLED/LOOSE (C-CHECK RO 8/24/2024) L/H UPPER TRANSCOWL "Z" STIFFENER DAMAGE HAS BEEN REPAIRED REF REO# 690-54-21-505, REV --, DATED 7/31/24. COMPLIED FULLY W/SKYCARD 51-900-1002-SKY. SEE CONTINUATION SHEET FOR DETAILS.

Part: FLOOR SUPPORT — CORRODED (ZONE 200) · airframe 36,426 hrs · 26,423 cycles

FS280.00 - 319.70 RH FLOOR SILL CORRODED (MARKED) (C-CHECK RO 8/24/2024) REMOVED AND REPLACED RH FLOOR SILL P/N: SH670-32172-9 ON FS280.00 - 319.70 REF DWG SH690-32170 REV AD, CRJ900 SRM 51-42-21-001-001-A01, CRJ900 SRM51-42-13-001-001-A01, AND CRJ900 SRM.51-42-06-001-001-A01. COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY. LEAK CHECK GOOD.

Part: STIFFENER — LOOSE (ZONE 400) · airframe 36,426 hrs · 26,423 cycles

R/H LWR TRANSCOWL Z STIFFENER RIVETS ARE PULLED/LOOSE (C-CHECK RO 8/24/2024) REPAIRED R/H LWR TRANSCOWL PER REO 690-54-21-501 REV -- DATED 2024-07-04. STEPS 1-14. COMPLIED WITH SKYWEST TASK CARD 51-900-1002-SKY.

Part: BRACKET — CRACKED (ZONE 400) · airframe 36,426 hrs · 26,423 cycles

L/H LWR TRANSCOWL INBD "A" BRACKET STANDOFF IS CRACKED (C-CHECK RO 8/24/2024) REMOVED AND REPLACED INBD STANDOFF P/N CN624-2082-201 ON L/H LOWER TRANSCOWL REF. REO 670-54-21-971 REV. B, 2023-11-28 AND CRJ 900 SRM 51-42-28-001-001-A01. COMPLIED WITH SKYCARD 51-900-1002-SKY.

Part: BRACKET — BENT (ZONE 400) · airframe 36,426 hrs · 26,423 cycles

L/H UPPER TRANSCOWL INBD "A" BRACKET STANDOFF IS BENT AND NOT SEATING PROPERLY (C-CHECK RO 8/24/2024) INSTALLED 1 EA. NEW INBD. STANDOFF P/N CN 624-2082-201 ON L/H UPPER TRANS COWL, REF. REO 670-54-21-971, REV. B. 2023-11-28. COMPLIED WITH STEPS 1-3, AND COMPLIED WITH 51-900-1002-SKY.

Part: STRINGER — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

CORROSION ON STRINGER STGR 23L BETWEEN FS 985.00 - 1000.00. LOWER FLANGE. AREA MARKED (C-CHECK RO 8/24/2024) REMOVED AND INSTALLED NEW SECTION OF STRINGER 23L BETWEEN FS978.5 AND FS1007.5 REF CRJ900 SRM 53-00-03-201-001-A02 FIGURE 53-00-03-995-808 SHEET 2, CRJ900 SRM 51-42-21-001-001-A01, CRJ900 SRM 51-42-06-001-001-A01 AND DWG#MM690-35007 REV. U. COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY. LEAK CHECK GOOD.

Part: FLOOR SUPPORT — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

CORROSION ON AFT CARGO FLOOR CAGE, ATTACHED TO SHEAR PANEL BETWEEN FS 1088.00 - 1098.00, RBL 36 - 45 (C-CHECK RO 8/24/2024) REMOVED CORROSION ON AFT CARGO FLOOR CAGE, ATTACHED TO SHEAR PANEL BETWEEN FS 1088.00 - 1098.00, RBL 36 REF CRJ900 SRM 51-21-06-001-001-A01. FOUND TO BE OUT OF LIMITS, NO DAMAGE ALLOWED ON THE FLOOR SUPPORT STRUCTURE BETWEEN FS977.00 AND FS1098.20 REF CRJ900 SRM 53-61-43-101-001-A02. INSTALLED NEW BRACKET AT FS 1088 TO 1098 RBL35 TO RBL45 REF CRJ900 SRM 51-42-06-001-001-A01, 51-42-21-001-001-A01 AND DWG MM670-35041 REV Y. COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY.

Part: FLOOR SUPPORT — CORRODED (ZONE 200) · airframe 36,426 hrs · 26,423 cycles

CORROSION ON FLOORBEAM RBL 9 BETWEEN FS 1015.00 - 1069.00, TOP EXTERNAL SURFACE. AREAS MARKED (C-CHECK RO 8/24/2024) BLENDED OUT CORROSION ON FLOOR BEAM RBL9 BETWEEN FS1015-1069 REF CRJ900 SRM 51-21-06-001-001-A01, FOUND PART EXFOLIATED AND DEEMED 100% MATERIAL LOSS, REQUIRING REPLACEMENT. PERFORMED CUT OUT REPAIR OF FLOOR BEAM SECTION AT RBL9 FS1005 €“ FS1037 REF CRJ900 SRM 53-00-41-201-001-A03 STEPS 1 & 2. FABRICATED AND INSTALLED ALL REPAIR PARTS FOR FLOOR BEAM SECTION AT RBL9 FS1005 TO FS1037.00 REF CRJ900 SRM 53-00-41-201-001-A03, 51-41-02-001-001-A01, & 51-42-21-001-001-A01, REO 690-53-61-1419 REV -- DATED 2024-07-09, AND DWG MM690-35041 REV AB. NO CORROSION WAS FOUND AFTER CLEANING BETWEEN FS1037-FS1069. COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY.

Part: INTERCOSTAL — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

CORROSION ON INTERCOSTAL ATTACHED TO STGR 20R BETWEEN FS 319.00 - 349.00 (C-CHECK RO 8/24/2024) BLENDED CORROSION FROM INSTERCOSTAL, MORE THAN ONE ELEMENT EFFECTED, DAMAGE IS OUT OF LIMITS. REPLACED INTERCOSTAL ATTACHED TO STGR 20R BETWEEN FS 319.00 - 349.00 REF CRJ900 SRM 51-42-06-001-001-A01, CRJ900 SRM 51-42-21-001-001-A01, AND DRAWING SH670-31950 REV Y. SEE CONTINUATION CARD FOR DETAILS.COMPLIED WITH 51-900-1002-SKY

Part: FRAME — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

CABIN INTERIOR CORROSION AT FS 693.00 BETWEEN STGR26L AND STGR26R AS MARKED (C-CHECK RO 8/24/2024) LOCATED AND DRILLED NEW LOWER FRAME SECTION @ FS693.00 FROM STGR 21L TO STGR 21R REF CRJ900 SRM 51-40-11-001-001-A01.WET INSTALLED THE LOWER FRAME SECTION AT FS 693.00 FROM STGR 21L TO 21R CRJ900 SRM 51-42-06-001-001-A01 AND 51-42-21-001-001-A01 DWG SH690-35880 REV M AND DWG SH690-30009 REV D.REMOVED SUPPORT BRACKET ON FS 681.00 LOWER FRAME AT STGR 26R REF CRJ900 SRM 51-42-06-001-001-A01. INSTALLED SUPPORT BRACKET ON FS 681.00 LOWER FRAME AT STGR 26R REF CRJ900 SRM 51-42-06-001-001-A01.INSTALLED ALL FASTENERS OF LOWER MACHINED FRAME FS693.00 BETWEEN BL0 AND STGR 21R REF. CRJ900 SRM 51-42-06-001-001-A01 AND SRM 51-42-21-001-001-A01.COMPLIED WITH TASK CARD 51-900-1002-SKY

Part: PLATE — CORRODED (ZONE 200) · airframe 36,426 hrs · 26,423 cycles

CABIN INTERIOR CORROSION FS629.00 STGR22L MOUNT PLATE AT NUT PLATES AS MARKED (C-CHECK RO 8/24/2024) REMOVED DAMAGED FWD CARGO BRACKET AT FS629.00 ON STGR22L REF CRJ-900 SRM 51-42-06-001-001-A01, SRM 51-42-15-001-001-A01, SRM 51-42-21-001-001-A01 AND SRM 51-42-22-001-001-A01, REPLACED WITH NEWBRACKET AT FS629.00 ON STGR22L REF CRJ-900 SRM 51-42-06-001-001-A01, SRM 51-42-15-001-001-A01, SRM 51-42-21-001-001-A01 AND SRM 51-42-22-001-001-A01 AND DWG. SH690-33600 REV. AH. COMPLIED WITH 51-900-1002-SKY

Part: FLOORBEAM — CORRODED (ZONE 200) · airframe 36,426 hrs · 26,423 cycles

CORROSION ON COCKPIT FLOOR SUPPORT ANGLE AT FS 280.00 BEWEEN LBL12-RBL12 (C-CHECK RO 8/24/2024) REMOVED AND REPLACED WITH NEW FLOOR SUPPORT ANGLE AT FS 280.00 BETWEEN RBL12 AND LBL 12 REF CRJ900 SRM 51-42-06-001-001-A01, CRJ900 SRM 42-42-21-001-001-A01 AND DWG CC670-34010 REV -K. COMPLIED WITH ALL STEPS OF SKYWEST TASK CARD 51-900-1002-SKY. SEE CONTINUATION CARD FOR DETAILS

Part: INTERCOSTAL — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

CORROSION ON INTERCOSTAL ATTACHED TO STGR 20L BETWEEN FS 310.00 - 349.00 (C-CHECK RO 8/24/2024) REMOVED AND INSTALLED NEW BACK UP SILL P/N SH670-31823-1 REF DWG# SH670-31810 REV: AE AND CRJ 900 SRM 51-42-06-001-001-A01. COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY PRESSURE CHECK GOOD.

Part: FLOOR SUPPORT — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

CORROSION ON FLOORBEAM LBL 9 BETWEEN FS 1015.00 - 1069.00, TOP EXTERNAL SURFACE. AREAS MARKED (C-CHECK RO 8/24/2024) REMOVED AND INSTALLED NEW BEAM AND SPLICE REPAIR PARTS BETWEEN FS1005 - FS1037 ON LBL9. INSTALLED FWD SPLICE BETWEEN FS1015 - FS1031 REF CRJ900 SRM 53-00-41-201-001-A03 AND INSTALLED AFT SPLICE BETWEEN FS1031 TO FS1051 REF REO 690-53-61-1420 REV -- DATED: 2024-07-31. COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY.

Part: STRINGER — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

CABIN INTERIOR CORROSION BETWEEN FS677.00 - FS661.00+90.00 ON STGR24R AS MARKED (C-CHECK RO 8/24/2024) STGR. 24R BETWEEN FS677.00 - FS661.00+90.00 IS OUT OF LIMITS REF CRJ900 SRM 53-31-03-101-003-A04.REPAIRED DAMAGED STGR 24R BETWEEN FS661+74-FS661+90 AND BETWEEN FS661+90-FS667 PER REO 690-53-31-863 REV -- DATE 2024-07-24 AND CRJ900 SRM 53-00-03-201-001-A01 SOLUTION II FIG 53-00-03-995-807. COMPLIED WITH 51-900-1002-SKY

Part: PLATE — CORRODED (ZONE 200) · airframe 36,426 hrs · 26,423 cycles

CABIN INTERIOR CORROSION AT APPROXIMATELY FS653.00 STGR26R MOUNT PLATE AT NUT PLATES AS MARKED (C-CHECK RO 8/24/2024) BLENDED CORROSION AT APPROXIMATELY FS653.00 STGR26R CABIN INTERIOR MOUNT PLATE AT NUT PLATES (MARKED) REF CRJ900 SRM 51-21-06-001-001 A01. NO DAMAGE IS ALLOWED ON THE FORWARD BAGGAGE BAY STRUCTURE. REMOVED AND REPLACED FWD CARGO BRACKET P/N: SH670-33852-1 AT FS653.00 ON STGR26R REF CRJ-900 SRM 51-42-21-001-001-A01, SRM 51-42-06-001-001-A01, SRM 51-42-15-001-001-A01 AND DWG. SH690-33600 REV. AH. COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY.

Part: NUT PLATE — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

CABIN INTERIOR CORROSION FS565.00 STGR22L MOUNT PLATE AT NUT PLATES AS MARKED (C-CHECK RO 8/24/2024) REPLACED FWD CARGO DAMAGED BRACKET SH670-33390-2 LOCATED AT FS565.00 ON STGR22L. INSTALLED NEW BRACKET P/N: SH670-33390-2 REF CRJ-900 SRM 51-42-22-001-001-A01, SRM 51-42-06-001-001-A01 AND SRM 51-42-21-001-001-A01 AND DWG. SH690-33600 REV. AH. COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY.

Part: PLATE — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

CABIN INTERIOR CORROSION FS533.00 STGR26R MOUNT PLATE AT NUT PLATES AS MARKED (C-CHECK RO 8/24/2024) BLENDED CORROSION ON R/H FLOOR MOUNT FITTING AT FS 533.0 STR 26R REF CRJ900 SRM 51-21-06-001-001-A01. NO DAMAGE IS ALLOWED ON THE FORWARD BAGGAGE BAY STRUCTURE REF CRJ900 SRM 53-32-58-101-001-A01.REMOVED AND INSTALLED NEW BRACKET P/N: SH670-33852-1 REF CRJ-900 SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01, SRM 51-42-15-001-001-A01 AND DWG. SH690-33600 REV. AH AT FS533.00 ON STGR26R. COMPLIED WITH 51-900-1002-SKY

Part: PLATE — CORRODED (ZONE 200) · airframe 36,426 hrs · 26,423 cycles

CABIN INTERIOR CORROSION FS517.00 STGR26L MOUNT PLATE AT NUT PLATES AS MARKED (C-CHECK RO 8/24/2024) REMOVED DAMAGE FROM MOUNTING PLATE AT FS517 STGR26L REF CRJ900 SRM 51-21-06-001-001-A01. FOUND TO BE OUT OF LIMITS. REMOVED AND INSTALLED NEW MOUNT PLATE ON FRAME FS517, STGR26L PER REF CRJ 900 SRM 51-42-21-001-001-A01, CRJ 900 SRM 51-42-22-001-001-A01, CRJ 900 SRM 51-45-00-001-001-A01 AND DWG SH690-33600 REV AH. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: PLATE — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

CABIN INTERIOR CORROSION FS517.00 STGR22L MOUNT PLATE AT NUT PLATES AS MARKED (C-CHECK RO 8/24/2024) REMOVED AND REPLACED MOUNTING PLATE BRACKET P/N SH670-33390-1 WITH NEW ASSEMBLY, INSTALLED IAW CRJ 900 SRM 51-42-21-001-001-A01, CRJ 900 SRM 51-42-22-001-001-A01 AND CRJ 900 SRM 51-42-15-001-001-A01 AND DWG SH690-33600 REV. AH. COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY

Part: STRINGER — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

CABIN INTERIOR CORROSION IN MULTIPLE LOCATIONS BETWEEN FS661.00+90 - FS661.00+74.00 ON STGR26R AS MARKED (C-CHECK RO 8/24/2024) REMOVED CORROSION ON STGR 26R BETWEEN FS661.00+90 - FS661.00+74.00. REWORK AREA FOUND TO BE STRUCTURALLY ACCEPTABLE PER REO 690-53-31-848 REV-- DATE.2024-07-05 SEE CONTINUATION CARD FOR DETAILS. COMPLIED WITH TASK CARD 51-900-1002-SKY

Part: STRINGER — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

CABIN INTERIOR CORROSION BETWEEN FS469.00 - FS485.00 ON STGR19R AS MARKED (C-CHECK RO 8/24/2024) REMOVED AND INSTALLED NEW STGR 19R SPLICE BETWEEN FS469 AND FS485 REF CRJ900 SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01, AND DWG SH670-30006 REV-A. COMPLIED WITH TASK CARD 51-900-1002-SKY. NO LEAKS NOTED.

Part: FITTING — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

CORROSION ON FLOORBEAM FITTING AT STGR 18L, FS 349.00 (C-CHECK RO 8/24/2024) REPLACED FLOOR BEAM FITTING AT FS 349.00 STR 18L REF DWG # SH670-32120 REV AL AND DWG #SH670-31810 REV AE CRJ900 SRM 51-42-21-001-001-A01, CRJ900 SRM 51-42-06-001-001-A01, CRJ900 SRM 51-42-10-001-001-A01. COMPLIED WITH SKYWEST TASK CARD 51-900-1002-SKY. NO WEIGHT CHNAGE OCCURRED.SEE CONTINUE CARD FOR DETAILS

Part: PLATE — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

CABIN INTERIOR CORROSION FS629.00 STGR26L MOUNT PLATE AT NUT PLATES AS MARKED (C-CHECK RO 8/24/2024) DAMAGE TO FLOOR MOUNT PLATE AT STR 26L FS 629.0 BLENDED/REMOVED REF CRJ 900 SRM 51-21-06-001-001-A01. OUT OF LIMITS DUE TO NO DAMAGE ALLOWED REF CRJ-900 SRM 53-32-58-101-001-A01. REMOVED AND INSTALLED NEW FWD CARGO BRACKET AT FS 629.00 ON STGR26L REF CRJ-900 SRM 51-42-21-001-001-A01, SRM 51-42-06-001-001-A01 AND DWG. SH690-33600 REV. AH. COMPLIED WITH 51-900-1002-SKY

Part: STRINGER — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

CORROSION ON STRINGER STGR 26L BETWEEN FS 1031.00 - 1047.00. LOWER FLANGE. AREA MARKED (C-CHECK RO 8/24/2024) REMOVED CORROSION ON STRINGER STGR 26L BETWEEN FS 1031.00 - 1047.00. LOWER FLANGE REF CRJ900 SRM 51-21-06-001-001-A01. FOUND AREA TO BE OUT OF LIMITS. RECEIVED AND COMPLIED WITH ALL STEPS OF REO 690-53-61-1417 REV-- DATE:2024-07-05. COMPLIED WITH TASK CARD 51-900-1002-SKY. NO LEAKS NOTED.

Part: FLOOR SUPPORT — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

CORROSION ON RH FLOOR SILL UPPPER SURFACE BETWEEN FS 1031.00 - 1051.00. MARKED (C-CHECK RO 8/24/2024) REMOVED AND REPLACED RH FLOOR SILL P/N: MM670-35404-003 AT FS1031 AND FS1051 REF. CRJ-900 SRM, 51-42-06-001-001-A01 AND DWG MM670-35052 REV K. COMPLIED WITH TASK CARD 51-900-1002-SKY, LEAK CHECKS GOOD.

Part: THRESHOLD — CORRODED (ZONE 200) · airframe 36,426 hrs · 26,423 cycles

SERVICE DOOR LOWER THRESHOLD BETWEEN FS 349.0 TO FS 319.0 HAS CORROSION. (C-CHECK RO 8/24/2024) REMOVED AND INSTALLED REPLACEMENT LOWER THRESHOLD ANGLE BETWEEN FS 349 TO FS 319 REF DRW. SH670-31950 REV Y., REF CRJ900 SRM 51-42-06-001-001-A01, SRM 51-42-21-001-001-A01. COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY.

Part: ACCESS PANEL — CORRODED (ZONE 200) · airframe 36,426 hrs · 26,423 cycles

SERVICE DOOR LOWER ACCESS PANEL SURROUND STRUCTURE HAS CORROSION AT ALL NUTPLATE HOLES. (C-CHECK RO 8/24/2024) BLENDED SERVICE DOOR LOWER ACCESS PANEL SURROUND STRUCTURE AT ALL NUTPLATE HOLES TO REMOVE CORROSION REF CRJ 900 SRM 51-12-00-001-001-A01LOCATED FASTENER HOLES IN REPLACEMENT SEAL STRIKER REF CRJ900 SRM 51-42-06-001-001-A01INSTALLED REPLACEMENT SEAL STRIKER REF DRW. SH670-31950 REV Y. AND REF CRJ900 SRM 51-42-06-001-001-A01.PERFORMED LEAK CHECK OF THE SERVICE DOOR SEAL STRIKER REF CRJ 900 AMM 21-31-00-910-801-A02. CHECKS GOODCOMPLIED WITH 51-900-1002-SKY

Part: DOOR FRAME — WORN (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

AVIONICS BAYDOOR SURROUND HAS WEAR ABRASION ALONG ENTIRE PERIMETER OF DOOR SURROUND. (C-CHECK RO 8/24/2024) REPAIRED THE AVIONICS BAY DOOR SURROUND BY COMPLYING WITH REO 690-53-21-032 REV. -- DATED: 2008-03-07. COMPLIED WITH SKYWEST TASK CARD 51-900-1002-SKY.

Part: SKIN — WORN (ZONE 200) · airframe 36,426 hrs · 26,423 cycles

PAX DOOR SURROUND FWD UPPER PULL IN LEVER RAMP HAS WEAR GROOVE WORN INTO RAMP. (C-CHECK RO 8/24/2024) NO ALLOWABLE DAMAGES ALLOWED ON PAX DOOR FWD UPPER PULL IN LEVER PER REF CRJ 900 SRM 53-00-00-101-001-A01, REMOVED AND REPLACE PART (P/N: SH670-31913-3) PER REF CRJ 900 SRM 51-42-21-001-001-A01, & BOMBARDIER DWG# SH 670-31810 REV-AE. COMPLIED WITH TASK CARD 51-900-1002-SKY.

Part: DOOR SILL — CORRODED (ZONE 100) · airframe 36,426 hrs · 26,423 cycles

S/N 0380AFT BAGGAGE-BAY DOOR CUT-OUT SILL IS CORRODED. FLAGGED (C-CHECK RO 8/24/2024) REMOVED AND WET INSTALLED NEW REPLACEMENT CARGO DOOR LOWER SILL AND SUPPORT PARTS AT FLOOR SURROUND STRUCTURE BETWEEN FS.1000 - FS.1047 PER CRJ900 SRM TASK 51-42-06-001-001-A01, SRM TASK 51-42-13-001-001-A01, SRM TASK 51-42-21-001-001-A01 & SRM TASK 51-45-00-001-001-A01 REF BOMBARDIER DRAWING MM670-35085 REV. L. COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY

Part: THRESHOLD — CORRODED (ZONE 200) · airframe 36,426 hrs · 26,423 cycles

LOWER PAX DOOR LOWER THRESH HOLD HAS AREAS OF CORROSION. (C-CHECK RO 8/24/2024) PAX DOOR LOWER THRESHOLD CORROSION IS OUT OF LIMITS. REMOVED AND INSTALLED NEW PAX DOOR LWR SILL ANGLE P/N: SH670-31875-39. REF DWG SH670-31810 REV-AE, CRJ900 SRM 51-42-06-001-001-A01 AND CRJ900 SRM 51-42-21-001-001-A01. COMPLIED WITH TASK CARD 51-900-1002-SKY. PART FOR PART REPLACE NO WEIGHT CHANGE.

Part: RETAINER — DAMAGED (ZONE 800) · airframe 36,426 hrs · 26,423 cycles

CENTER CARGO DOOR LOWER SEAL RETAINER DAMAGED/BENT (C-CHECK RO 8/24/2024) REPLACED LOWER SEAL RETAINER ON CENTER CARGO DOOR, REF CRJ900 SRM 51-42-06-001-001 A01. COMPLIED WITH SKYWEST TASK CARD 51-900-1002-SKY. CHECKS GOOD.

Part: SKIN — DAMAGED (ZONE 200) · airframe 36,426 hrs · 26,423 cycles

ADM# N187PQ-7903. FOUND LIGHTNING STRIKE DAMAGE AT FS752.5 ON STRINGER 9R. LIGHTNING STRIKE DAMAGE TO SKIN ON UPPER SKIN PANNEL AT THE BOTTOM EDGE TO THE SIDE SKIN PANEL BLENDED. PLOT, MAP, AND EVALUATE DAMAGE IF WITHIN ACCEPTABLE LIMITS OR REWORKED, ELIMINATE EVIDENCE USING STANDARD ACFT PRACTICES. (C-CHECK RO 8/24/2024) COMPLIED WITH ALL STEPS OF REO 690-53-41-490 REV -- DATED: 2024-07-21, DISPOSITION FOR REWORKED LIGHTNING STRIKE DAMAGE TO UPPER SKIN PANEL AT FS752.50 AND STRINGER 7R. COMPLIED WITH SKYWEST TASK CARD: 51-900-1002-SKY. LEAK CHECKS GOOD. BLEND OUT ONLY NO WEIGHT CHANGE.

Part: SKIN — DAMAGED (ZONE 200) · airframe 36,426 hrs · 26,423 cycles

COMPLY WITH SCHEDULED MAINTENANCE CODE: RA77802-SRM 53-00-00-003-A03 N187PQ MXCODEID61786-PR - FOUND LIGHTNING STRIKE DAMAGE 3" AFT OF FS645 AND 2" ABOVE STGR 8R. COMPLIED WITH TEMPORARY REPAIR OF LIGHTNING STRIKE DAMAGE 3" AFT OF FS645 AND 2" ABOVE STGR 8R IN REF TO CRJ 900 SRM 53-00-00-003-A03 TYPE I BY INSTALLING A BLIND FASTENER. REPAIR IS VALID FOR 8000 FLIGHT HOURS OR UNTIL THE NEXT HEAVY CHECK WHICHEVER COMES FIRST. , PART NUMBER: - , SERIAL NUMBER: 15187, POSITION: (C-CHECK RO 8/24/2024) REPAIRED LIGHTNING STRIKE AT 3" AFT OF FS645 AND 2" ABOVE STGR 8R REF CRJ 900 REO 690-53-31-856 REV.-- ISSUED 07/12/2024. COMPLIED WITH SKYWEST TASK CARD 51-900-1002-SKY. CHECKS GOOD.

Part: UNKNOWN — MISLOCATED (UNKNOWN) · airframe 34,967 hrs · 24,727 cycles

LEFT HAND PRESSURE BOX HAS THREE MISLOCATED HOLES (C-CHECK RO 6/17/2023) WET INSTALLED WITH INTERFERENCE FIT 4 EA FASTENERS ON DISCREPANT HOLES #1, #2, #3 AND #4 REF MHIRJ REO 690-53-41-402 REV -B DATE 2023-06-09 AND ENSURED ALL OTHER DETAILS AND REQUIREMENTS OF SERVICE BULLETIN 670SH-53-043 LATEST REVISION ARE METC/W TASK CARD 51-900-1002-SKY NO WEIGHT CHANGE

Part: UNKNOWN — CORRODED (UNKNOWN) · airframe 34,967 hrs · 24,727 cycles

LHS WALL SEAT TRACK AT FS785.15 TO FS847.00+8.40 IS CORRODED. (C-CHECK RO 6/17/2023) REPLACED LH WALL SEAT RAIL BETWEEN FS758.15 AND 847.00+8.40. REF. CRJ900 AMM 53-00-49-400-801-A07.

Part: UNKNOWN — CORRODED (UNKNOWN) · airframe 34,967 hrs · 24,727 cycles

RHS WALL SEAT TRACK AT FS677.00 TO FS720.85 IS CORRODED. (C-CHECK RO 6/17/2023) INSTALLED NEW RH WALL SEAT RAIL BETWEEN FS677.00 AND 720.85. REF. CRJ900 AMM 53-00-49-400-801-A07.

Part: UNKNOWN — CORRODED (UNKNOWN) · airframe 34,967 hrs · 24,727 cycles

LHS WALL SEAT TRACK AT FS677.00 TO FS720.85 IS CORRODED. (C-CHECK RO 6/17/2023) INSTALLED NEW LH WALL SEAT RAIL BETWEEN FS677.00 AND 720.85. REF. CRJ900 AMM 53-00-49-400-801-A07.

Part: UNKNOWN — CORRODED (UNKNOWN) · airframe 34,967 hrs · 24,727 cycles

SEAT TRACK @ RBL9 FS612 TO FS694 IS CORRODED. (C-CHECK RO 6/17/2023) REMOVED AND REPLACED SEAT TRACK ON RBL9 BETWEEN FS 612 AND FS694 IAW CRJ900 AMM 53-00-49-400-801-A07.

Part: UNKNOWN — CORRODED (UNKNOWN) · airframe 34,967 hrs · 24,727 cycles

SEAT TRACK @ LBL9 FS694 THRU FS847 CORRODED. (C-CHECK RO 6/17/2023) REMOVED AND REPLACED SEAT TRACK ON LBL9 BETWEEN FS 694 AND FS847 IAW CRJ900 AMM 53-00-49-400-801-A07.

Part: UNKNOWN — DENTED (UNKNOWN) · airframe 34,744 hrs · 24,490 cycles

TRANSFER FROM EAML 1104954 : REF EAML 1104355, DENT DAMAGE AND FOUND DENT MEASURING (2.75" LX 2.60" W X 0.160" DEEP) DUE TO BIRD STRIKE TO FUSELAGE SKIN BETWEEN FS220.00 - FS235.00 AND STR 14R - STR15R (DENT IS RUNNING OUT ON TOP OF FRAME FS235.00 & STR 14R). DETERMINED TO BE OUT OF LIMITS PER CRJ 900 SRM 53-00-01. REF REO 690-53-11-1538 FOR FERRY DISPOSITION (FILED CLOSED)REPAIRED DENT DAMAGE TO FUSELAGE SKIN BETWEEN FS220.00 - FS250.00 AND BETWEN STR13R - STR16R IN REF TO REO 690-53-11-1541, REV--. DATED 2023-03-26. COMPLIED WITH TASK CARD 51-900-1002-SKY. COMPLETED FORM M-337

Part: SEAT TRACK — CORRODED (BS 837-849) · airframe 28,451 hrs · 19,378 cycles

* MULTIPLE AREAS OF CORROSION ON FLOOR SEAT TRACK, LBL 9, APPROX FS 837.00 TO APPROX. FS 849.00. (C-CHECK) RO: 11/21/2019 CORROSION WAS FOUND TO BE OUT OF ALLOWABLE DAMAGE LIMITS, REMOVED AND REPLACED THE SEAT TRACK AT LBL 9 FROM APPROX. FS837-849 IAW AMM.

Part: SEAT TRACK — CORRODED (BS 837-849) · airframe 28,451 hrs · 19,378 cycles

* MULTIPLE AREAS OF CORROSION ON FLOOR SEAT TRACK, RBL 9, APPROX FS 837.00 TO APPROX. FS 849.00. (C-CHECK) RO: 11/21/2019 CORROSION WAS FOUND TO BE OUT OF ALLOWABLE DAMAGE LIMITS, REMOVED AND REPLACED THE SEAT TRACK AT RBL 9 FROM APPROX. FS837-849 IAW AMM.

Part: SEAT TRACK — CORRODED (BS 849-988) · airframe 28,451 hrs · 19,378 cycles

* MULTIPLE AREAS OF CORROSION ON FLOOR SEAT TRACK, LBL 9, APPROX FS 849.00 TO APPROX. FS 988.00. (C-CHECK) RO: 11/21/2019 EVALUATED FLOOR SEAT TRACK LOCATED LBL 9 FS849-FS988 OUT OF LIMITS IAW SRM. REPLACED SEAT TRACK IAW AMM.

Part: SHEAR TIE — CORRODED (BS 645) · airframe 28,451 hrs · 19,378 cycles

*PASSENGER CABIN, BELOW FLOOR, L/H STGR19 AT FS645.0 CLIP HAS CORROSION. (ABOVE FWD CARGO DOOR). (C-CHECK) RO: 11/21/2019 BLENDED PASSENGER CABIN BELOW FLOOR LH STGR 19 AT FS645 CLIP(CLEAT) (ABOVE FWD CARGO DOOR) IAW SRM. OUT OF LIMITS IAW SRM. REPLACED CLIP(CLEAT) IAW SRM..

Part: STRINGER SPLICE — CORRODED (BS 328-338) · airframe 28,451 hrs · 19,378 cycles

*SPLICE FOR STGR25R HAS MULTIPLE AREAS OF CORROSION. FS328.00 €“ FS338.00. (MARKED) (C-CHECK) RO: 11/21/2019 REMOVED CORROSION FOR STGR 25R SPLICE AND FOUND TO BE OUT OF LIMITS WITH DAMAGE THROUGH MATERIAL SRM. INSTALLD REPLACEMNT STRINGER SPLICE AT FS328.00-FS338.00 AT STR25R, P/N SH670-32429-4 IAW SRM. NO WEIGHT ADDED. COMPLIED WITH THE PRESSURE LEAK CHECK OF THE REPAIR AREA IAW AMM. NO LEAKS NOTED.

Part: FLOORBEAM — CORRODED (BS 280) · airframe 28,451 hrs · 19,378 cycles

* CORROSION FS280.00 CROSSBEAM FLOOR PANEL SUPPORT ANGLE, MARKED WITH RED SHARPIE. (C-CHECK) RO: 11/21/2019 REMOVED AND REPLACED FS280.00 CROSSBEAM FLOOR PANEL SUPPORT ANGLE IAW SRM.

Part: FLOOR SUPPORT — CORRODED (BS 319) · airframe 28,451 hrs · 19,378 cycles

*RIGHT HAND FLOOR SUPPORT BRACKET MOUNTED ON STRAP AT FS319.00 AS CORRODED AREAS. (MARKED) (C-CHECK) RO: 11/21/2019 REMOVED CORROSION FROM FLOOR SUPPORT BRACKET "T" FITTING, AND EVALUATED OUT-OF-LIMITS IAW SRM. REMOVED AND INSTALLED NEW "T" FITTING. IAW SRM. COMPLIED WITH TASK CARD. COMPLETED FORM M-337.

Part: FLOOR SUPPORT — CORRODED (BS 349) · airframe 28,451 hrs · 19,378 cycles

*RIGHT HAND FLOOR SUPPORT BRACKET MOUNTED ON STRAP AT FS349.00 AS CORRODED AREAS. (MARKED) (C-CHECK) RO: 11/21/2019 REMOVED CORROSION FROM RH FLOOR SUPPORT BRACKET AT FS349, FOUND TO BE OUT OF LIMITS TO TO DAMAGE DISTANCE TO FASTENER HOLES. REMOVED AND REPLACED THE RH FLOOR SUPPORT BRACKET AT FS349 IAW SRM. COMPLETED FROM M-337

Part: BEAM — GOUGED (LT NACELLE) · airframe 28,451 hrs · 19,378 cycles

* L/H ENGINE UPPER FWD CORE COWL LATCH BEAM GOUGED AT LUG 3. (C-CHECK) RO: 11/21/2019 REPAIRED L/H ENGINE UPPER FWD CORE COWL LATCH BEAM GOUGE AT LUG 3 IAW REO. ALL STEPS COMPLIED WITH. COMPLIED WITH SKYCARD. COMPLETED PAPER FORM M-337.

Part: HINGE — GOUGED (PAX DOOR) · airframe 28,451 hrs · 19,378 cycles

* PASSENGER DOOR HINGE (FUSELAGE SIDE) GOUGED AT THIRD LUG FROM FWD END (MARKED). (C-CHECK) RO: 11/21/2019 REPAIRED PASSENGER DOOR HINGE FUSELAGE SIDE) GOUGED AT THIRD LUG FROM FWD END AFT SIDE LUG LAND IAW REO. COMPLIED WITH SKYWEST TASK CARD. COMPLETED SKYWEST FORM M-337.

Part: INTERCOSTAL — CORRODED (BS 310-319) · airframe 28,451 hrs · 19,378 cycles

* INTERCOSTAL AT 20R BETWEEN FS 310.00 AND FS 319.70 CORRODED. (C-CHECK) RO: 11/21/2019 REMOVED CORROSION FROM INTERCOSTAL AT STR 20R BETWEEN FS310-319.7, REMAINING MATERIAL WAS OUT OF ALLOWABLE DAMAGE LIMITS. REMOVED AND REPLACED THE STR 20R INTERCOSTAL BETWEEN FS310-319.7 IAW SRM, COMPLETED FORM M-337. PRESSURE CHECK GOOD.

Part: BUSHING — DETERIORATED (LT NACELLE) · airframe 28,451 hrs · 19,378 cycles

* L/H ENGINE PYLON TIE BAR UPPER AND LOWER RUBBER BUSHINGS MIGRATED HALF WAY OUT OF TIE BAR AND ARE DETERIORATED. (C-CHECK) RO: 11/21/2019 REMOVED AND REPLACED 2 EA. BUSHINGS, LH PYLON TIE BAR UPPER AND LOWER PN J23553-5, IAW AMM. PERFORMED OPERATIONAL TEST OF COWLING AS REQUIRED IAW AMM, INSTALLATION OF PYLONTIE-BAR. OPERATIONAL TEST GOOD.

Part: SEAT TRACK — CORRODED (BS 379) · airframe 28,451 hrs · 19,378 cycles

*CORROSION FOUND ON FLOOR SEAT RAIL AT APPROX FS379 AT LBL9. (C-CHECK) RO: 11/21/2019 EVALUATED FLOOR SEAT RAIL AT FS379 LBL9 OUT OF LIMITS IAW SRM. REPLACED FLOOR SEAT RAIL IAW AMM.

Part: LANDING GEAR — CONTAMINATED (NOT REPORTED) · airframe 24,251 hrs · 16,433 cycles

GEAR WOULD NOT RETRACT. CLEANED ICE FROM GEAR, NO DEFECTS NOTED.

Part: SUPPORT ANGLE — CORRODED (FUSELAGE) · airframe 20,613 hrs · 14,037 cycles

FS 280.00 FLOOR PANEL SUPPORT ANGLE IS CORRODED. REMOVED CORRODED FLOOR SUPPORT AND INSTALLED NEW SUPPORT IAW SRM.

Part: ATTACH BRACKET — CHAFED (TE FLAP) · airframe 20,613 hrs · 14,037 cycles

LT WING INBD FLAP, OTBD HINGE ARM HAS A CHAFED PANEL BRACKET. REMOVED AND INSTALLED THE LT WING INBD FLAP OTBD HINGE ARM UPPER INBD PANEL ATTACH BRACKET, PN CC670-14146-1 IAW SRM.

Part: HINGE — GOUGED (PAX DOOR) · airframe 15,610 hrs · 10,772 cycles

FOUND SMALL GOUGE ON PAX DOOR PIANO HINGE AFT LUG LAND FUSELAGE SIDE. C-CHECK, BLENDED DAMAGED AREA, IAW REO.

Part: HINGE — GOUGED (PAX DOOR) · airframe 15,610 hrs · 10,772 cycles

PAX DOOR HINGE, ADDITIONAL DAMAGE FOUND, PAX DOOR SIDE ON FWD END OF INBD FLANGE 2 SMALL GOUGES. C-CHECK, BLENDED DAMAGED AREAS IAW REO.

Part: ARM — GOUGED (TE FLAP HINGE) · airframe 15,610 hrs · 10,772 cycles

RIGHT WING INBD FLAP, INBD HINGE ARM AT WS 54.55 ON FLAP ASSY GOUGED ON FWD MOUNTING LUG COMMON TO HINGE BOX. C-CHECK, BLENDED DAMAGE ON INBD FLAP HINGE ARM FITTING AT WS54.44 IAW REO.

Part: RETAINER — GOUGED (CARGO DOOR SEAL) · airframe 15,610 hrs · 10,772 cycles

CENTER CARGO DOOR, LOWER SEAL RETAINER IS GOUGED IN 3 PLACES. C-CHECK TRIMMED OUT DAMAGED PORTIONS OF CENTER BAGGAGE-BAY DOOR, LOWER SEAL RETAINER IAW REO.

Part: LUG — GOUGED (RT WING TE FLAP) · airframe 15,610 hrs · 10,772 cycles

RIGHT WING INBD FLAP, INBD HINGE BOX AT WS 54.55 ON WING SIDE GOUGED ON AFT MOUNTING LUG COMMON TO HINGE ARM. C-CHECK, REWORKED 5 EA GOUGES TO SMOOTH CONTOUR IAW REO.

Part: SKIN — CRACKED (WIFI BOX) · airframe 15,610 hrs · 10,772 cycles

AFT CARGO WIFI BOX RT OTBD SIDE PANEL, IS CRACKED AND BENT IN MULTIPLE LOCATIONS. C-CHECK, COLD WORKED DENTS IAW EA.

Part: BALANCE ARM — GOUGED (CARGO DOOR) · airframe 15,610 hrs · 10,772 cycles

CENTER CARGO DOOR GOUGE ON AFT COUNTER BALANCE ARM. C-CHECK, COMPLIED WITH CENTER BAGGAGE DOOR GOUGE ON AFT COUNTER BALANCE ARM. REPAIR BY BLENDING TO A SMOOTH CONTOUR IAW STS EA.

Part: BALANCE ARM — GOUGED (CARGO DOOR) · airframe 15,610 hrs · 10,772 cycles

FWD CARGO DOOR GOUGE ON AFT COUNTER BALANCE ARM. C-CHECK, COMPLIED WITH FWD BAGGAGE DOOR GOUGE REO AIR ON AFT COUNTER BALANCE ARM BY BLENDING IAW STS EA.

Part: GRIP — WORN (CARGO DOOR) · airframe 15,610 hrs · 10,772 cycles

FWD CARGO BAY FWD RETRIEVAL SYSTEM HAND GRIP WORN. C-CHECK, REPAIRED FWD BAGGAGE BAY FWD RETRIEVAL SYSTEM HAND GRIP IAW STS EA.

Part: RETAINER — DISTORTED (CARGO DOOR) · airframe 15,610 hrs · 10,772 cycles

FWD CARGO DOOR SEAL RETAINER DISTORTED. C-CHECK TRIMMED OUT DAMAGED PORTIONS OF SEAL RETAINER AND COMPLIED WITH PERMANENT REPAIR IAW REO.

Part: SEAL — CUT (RT NACELLE) · airframe 15,610 hrs · 10,772 cycles

RIGHT ENGINE AFT CORE COWL PRESSURE SEAL IS CUT. C-CHECK, REPLACED RT ENGINE AFT CORE COWL "P"SEAL DAMAGED SECTION IAW REO.

Part: LEAD — CHAFED (RT IDG) · airframe 15,610 hrs · 10,772 cycles

RIGHT ENGINE IDG POWER LEAD IS CHAFED AT IDG. C-CHECK, REPAIRED RT ENGINE IDG ELECTRICAL POWER OUTPUT CABLE PROTECTIVE SHEATH IAW REO.

Part: OIL FILTER — FAILED (LT ENGINE) · airframe 14,836 hrs · 10,249 cycles

DURING CLIMB OUT, AMBER VIBRATION IN N2. FOLLOWED QRH, PULLED BACK ON POWER VIBRATION MESSAGE DISAPPEARED. RETURNED TO DEPARTURE, REPLACED LT ENGINE OIL FILTER, AND RAN LT ENGINE IAW AMM. DID NOT RECEIVE N-2 VIBRATION INDICATION COULD NOT DUPLICATE FAULT. VIBRATION CHECKED GOOD.

Part: LAMP — BURNED OUT (EMERGENCY LIGHT) · airframe 14,604 hrs · 10,095 cycles

SERVICE DOOR EMERGENCY EXIT SIGN BULB BURNED OUT. REPLACED LAMP.

Part: BATTERY — DISCHARGED (CABIN) · airframe 13,812 hrs · 9,576 cycles

EMERGENCY LIGHTS WILL NOT STAY LIT FOR MORE THAN A MINUTE, THEN SLOWLY FADES TO NOTHING. FLT 4477 CHARGED EMERGENCY LIGHTS.

Part: LOOP — FAULTY (BLEED AIR SYS) · airframe 12,403 hrs · 8,686 cycles

LT BLEED DUCT WARNING MESSAGE. FLT#4743 REPLACED LOOPS MT141 & MT 142 IAW AMM. PN: GG670-80109-1

Part: ACM — MALFUNCTIONED (AC BAY) · airframe 12,403 hrs · 8,686 cycles

CABIN FILLED WITH SMOKE. THE CAPTAIN DECLARED ON EMERGENCY. SMOKE QRH WAS PERFORMED & A/C SMOKE CLEARED AFTER LANDING. CAPTAIN DECIDED TO PERFORM AN EXPEDITED DEPLANING. AFTER EVACUATION THE RT PACK SHOWED AN AUTO FAIL & THE OUTPUT TEMP ON RT PACK AT 99 DEG C. FLT#4674 INSPECTED INTERIOR OF A/C INCLUDING LAVATORIES, COCKPIT, FLOORS, VENTS ETC. INSPECTED CARGO AREAS, INSPECTED AFT EQUIPMENT BAY & BOTH PACKS. FOUND NO EVIDENCE OF BURNED OR DISCONNECTED HARDWARE. OPERATED BOTH PACKS SEPARATE & TOGETHER FROM ALL BLEED SOURCES, FOUND RT PACK AUTO FAIL CAUTION AFTER OPERATING RT PACK. REPLACED RT AIR CYCLE MACHINE AW AMM. PN: GG670-95009-5, SN ON: 01079 & SN OFF: 00901

Part: SEAT TRACK — CORRODED (FUSELAGE) · 8,109 cycles

FOUND CORROSION AT RBL 9 SEAT TRACK FROM FS 355- FS 477. (C-CHECK) REPLACED SEAT TRACK FS 355 TO FS 477 RBL 9 IAW REO.

Part: SEAT TRACK — CORRODED (FUSELAGE) · 8,109 cycles

FOUND MINOR CORROSION AT SEVERAL SPOTS AT SEAT TRACK RBL 9 FS 477-693 & LBL 597-693.00. (C-CHECK) REPLACED SEAT TRACK FROM FS 477 TO 581 RBL 9, SEAT TRACK FROM FS 581 TO 661+32 RBL 9, SEAT TRACK FROM FS 661+32 TO 693 RBL 9 AND SEAT TRACK FROM FS 597 TO 661+32 LBL 9 IAW REO.

Part: LIFE VEST — UNSERVICEABLE · airframe 10,958 hrs · 7,770 cycles

TWO (2) EACH LIFE VESTS HAVE HOLE IN BAGS. REMOVED AND REPLACED 2 EACH LIFE VEST IAW AMM 25-61-03.

Part: CROSSBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 11,705 hrs · 8,325 cycles

LEFT FS 280 CROSSBEAM CORRODED. REPAIRED IAW BOMBARDIER REO 670-53-11-612.

Part: BEAM — CRACKED (FUSELAGE) · airframe 11,705 hrs · 8,325 cycles

WHILE PERFORMING GVI OF BACKUP FITTING, FOUND LBL 12 BEAM CRACKED. REPAIRED IAW BOMBARDIER REO 690-53-11-426.

Part: CROSSBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 11,705 hrs · 8,325 cycles

RIGHT FS 280 CROSSBEAM CORRODED. REPAIRED IAW BOMBARDIER REO 670-53-11-612.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 11,705 hrs · 8,325 cycles

LEFT FLOORBEAM LBL 9 CORRODED AT FS 280. REPAIRED IAW BOMBARDIER REO 690-53-21-397.

Part: STRUCTURE — CORRODED (FUSELAGE) · corrosion level 2 · airframe 11,705 hrs · 8,325 cycles

PANEL LANDING AT FS 280 BETWEEN LBL 12 AND RBL 12 IS CORRODED. REPAIRED IAW SRM 51-42-06.

Part: LIGHT — INOPERATIVE (CABIN) · airframe 9,690 hrs · 6,813 cycles

EMERGENCY STRIP MISSING AT ROW 12 C&D. INSTALLED EMERGENCY STRIP AT ROW 12 C&D PER CRJ900 AMM 33-51-01. OK FOR SERVICE.

Part: FLASHLIGHT — INOPERATIVE (CABIN) · airframe 9,430 hrs · 6,624 cycles

FWD F/A FLASHLIGHT INOPERATIVE. REMOVED AND REPLACED F/A FLASHLIGHT IAW AMM 25-61-02. OPS CHECKED GOOD.

Part: WARNING SYSTEM — FALSE ACTIVATION (BLEED AIR SYS) · airframe 9,240 hrs · 6,487 cycles

LEFT ENG BLEED CAUTION MSG. TROUBLESHOT TO MT29 VIA ECS SYSTEM TEMP/ PRESSURE CHECK. REMOVED AND REPLACED MT29 OPS CHECK GOOD AT THIS TIME. OK FOR SCV.

Part: SENSOR — FAULTY (BLEED AIR SYS) · airframe 9,240 hrs · 6,487 cycles

RIGHT ENG BLEED CAUTION MSG. T/S WITH FIM 36-21-19, MSG FLAGGED AT MDC "R ENG BLEED CAUTION" MT30. REMOVED AND REPLACED R ENG T SENSOR (MT30) PER CRJ900 AMM 36-21-19. OPS CHECK GOOD AT THIS TIME ON THE GROUND. OK FOR SVC.

Part: A/C PACK — ODOR (AC BAY) · airframe 8,593 hrs · 6,064 cycles

SMOKE SMELL FROM RT PACK. C/W WORKSCOPE, MINIMUM WORK SCOPE FUMES IN CABIN/FLT DECK.

Part: WARNING SYSTEM — MALFUNCTIONED (COCKPIT) · airframe 8,305 hrs · 5,830 cycles

INBD SPOILER AND INBD SPOILERON CAUTION LCL MECH PERFORMED SYSTEM RESET IAW AMM 27-61-05, OPS NORMAL. ACFT OK FOR SERVICE.

Part: UNKNOWN — ODOR (COCKPIT) · airframe 8,023 hrs · 5,635 cycles

PLASTIC/WIRE BURNT SMELL IN COCKPIT. INSPECTED COCKPIT AND DETERMINED SMELL TO BE FROM LEFT PAC SYSTEM OPERATING NORMAL. OPS CHECK GOOD REF CRJ 900 AMM 21-50-00.

Part: SELECTOR VALVE — DEFECTIVE (LANDING GEAR) · airframe 7,253 hrs · 5,121 cycles

GEAR DISAGREE ISSUES AOG FOR LANDING GEAR SELECTOR VALVE THIS SHOULD BE CODED TO 3B-EQM ATL WILL HAVE TO HAVE CHANGED.

Part: CONTROL UNIT — FAILED (SPOILER) · airframe 6,098 hrs · 4,404 cycles

GLD UNSAFE CAUTION MSG IN FLIGHT. REMOVED AND REPLACED NR 1 SSCU IAW CRJ 900 AMM 27-61-05, CHECKS GOOD. OPS TEST OF GLD CHECKS GOOD.

Part: COMPRESSOR — CONTAMINATED (ENGINE) · airframe 1,953 hrs · 1,561 cycles

DURING CLIMBOUT THE SMOKE AFT LAV ILLUMINATED. AFT CABIN ATTENDANT REPORTED AN ODOR BUT NO SMOKE ALTHOUGH THE SMOKE DETECTOR ACTIVATED. THE FLIGHT CREW DONNED OXYGEN MASKS, PERFORMED THE QRH AND REQUESTED A RETURN TO DEPARTURE. AN OTHERWISE NORMAL APPROACH AND LANDING WAS MADE. ON LANDING THE ODOR HAD SUBSIDED AND THE ACFT WAS TAXIED TO THE GATE. MX HAD PERFORMED A COMPRESSOR WASH OF BOTH ENGINES THE PREVIOUS NIGHT. ODOR WAS DETERMINED TO BE CAUSED BY RESIDUAL COMPRESSOR WASH FLUID. THE ACFT WAS TAKEN TO THE RUN UP AREA AND BOTH ENGINES WERE RUN UP. NO REPEAT OF THE ODOR WAS DETECTED DURING THE RUN UP AND THE ACFT RELEASED FOR SERVICE. SUBSEQUENT FLIGHTS HAVE BEEN NORMAL.