N185GJ

Part: FLOORBEAM — CRACKED (ZONE 200) · airframe 19,851 hrs · 16,012 cycles

RH FS 280 CROSSBEAM FOUND TO BE CRACKED ON OB END UNDER RH FLOOR SILL. REMOVED CROSSBEAM P/N CC670-34094-2 AT FS280 RH SIDE IAW CRJ900 SRM 51-42-06-001-001-A01, 51-42-21-001-001-A01 AND 51-42-13-001-001-A01. LOCATED AND DRILLED NEW RH CROSSBEAM P/N CC670-34094JP-2S, IAW CRJ-900 SRM 51-40-11-001-001-A01. APPLIED PAINT AND CIC ON CROSSBEAM IAW CRJ-900 SRM 51-25-16-001-001-A01 AND 51-21-11-001-001-A01. INSTALLED CROSSBEAM P/N CC670-34094JP-2S AT FS280 RH SIDE IAW CRJ900 SRM 51-42-06-001-001-A01, 51-42-21-001-001-A01, 51-42-13-001-001-A01 AND 51-42-22-001-001-A01. APPLIED PAINT AND CIC ON CROSSBEAM IAW CRJ-900 SRM 51-25-16-001-001-A01 AND 51-21-11-001-001-A01.

Part: ATTACH ANGLE — CRACKED (ZONE 200) · airframe 19,851 hrs · 16,012 cycles

IB & OB ATTACH ANGLES @ FS 280 & RBL 9 REQUIRE REPLACEMENT. LOCATED AND DRILLED NEW IB & OB ATTACH ANGLES @ FS 280 & RBL 9, IAW CRJ-900 51-40-11-001-001-A01.INSTALLED NEW SERVICEABLE ATTACH ANGLES, IB (PN CC670-34269-7) & OB (PN CC670-34269-8) AT FS 280 & RBL 9 IAW CRJ900 SRM 51-42-21-001-001-A01.

Part: STRINGER SPLICE — CORRODED (ZONE 100) · airframe 19,851 hrs · 16,012 cycles

UPON REMOVAL OF STR 25R SPLICE @ FS 333 IT WAS IDENTIFIED THAT THE SPLICE, PN SH670-32429-4, IS HEAVILY CORRODED AT SEVERAL LOCATIONS AND REQUIRES REPLACEMENT LOCATED AND DRILLED NEW SERVICEABLE STRINGER JOINT 25R @ FS 333, PN SH670-32429-4, IAW CRJ 900 SRM 51-40-11-001-001-A01 INSTALLED NEW SERVICEABLE STRINGER JOINT (PN# SH670-32429-4) FROM STR 25R FS 333 IAW CRJ900 SRM 51-42-06-001-001-A01 EDGE SEALED AND PAINTED STRINGER SPLICE IAW CRJ-900 SRM 51-23-00-001-001-A01 AND SRM 51-23-00-001-001-A01.

Part: STRINGER — CORRODED (ZONE 100) · airframe 19,851 hrs · 16,012 cycles

STR 24R BETWEEN FS 280 TO FS 333 HAS CORROSION. UPON EVAL STR 24R HAS CORROSION THAT EXCEEDS THE ALLOWABLE LIMITS OF 10 PERCENT MATERIAL LOSS DUE TO EXCESSIVE CORROSION NEAR MULTIPLE FASTENER LOCATIONS IAW CRJ 900 SRM 53-21-03-101-003-A04 REMOVE AND REPLACE REQUIRED. REMOVED STR 24R BETWEEN FS 280 & FS 333 IAW CRJ 900 SRM 51-42-06-001-001-A01 & SRM 51-42-21-001-001-A01. LOCATED AND DRILLED NEW SERVICEABLE STR 24R PN SH670-31212-2U IAW CRJ 900 SRM 51-40-11-001-001-A01. INSTALLED STR 24R BETWEEN FS 280 & FS 333 IAW CRJ 900 SRM 51-42-06-001-001-A01 & SRM 51-42-21-001-001-A01.

Part: WEB — CORRODED (ZONE 200) · airframe 19,851 hrs · 16,012 cycles

"RH FS 280 LOWER WEB IS CORRODED AT RBL 11 UNDER CAP ANGLE. REMOVED CAP ANGLE AT FS280 RH SIDE IAW CRJ900 SRM 51-42-06-001-001-A01 AND 51-42-13-001-001-A01. REMOVED CORROSION ON LOWER WEB AT RBL 11 ORIGINAL MATERIAL 0.040"", MRT 0.029"" MATERIAL REMOVED 0.011"" MATERIAL ALLOWED REMOVAL 0.005"" FOUND TO BE OUT LIMITS IAW CRJ900 SRM 53-11-10-201-003-A01. REMOVED DAMAGED LOWER WEB AND BUTTSTRAP AT FS280 RH SIDE IAW CRJ900 SRM 51-42-06-001-001-A01 AND 51-42-13-001-001-A01. FABRICATED, LOCATED AND DRILLED LOWER WEB AND BUTTSTRAP AT FS280, IAW SRM 51-40-11-001-001-A01 AND 53-11-10-201-004-A01, PO# 5-23072, 0.040"", 7075-T6. INSTALLED NEW FABRICATED LOWER WEB AND BUTTSTRAP AT FS280 RH SIDE IAW CRJ900 SRM 53-11-10-201-004-A01 5.B. (4) AND (5). INSTALLED CAP ANGLE AT FS280 RH SIDE IAW CRJ900 SRM 51-42-06-001-001-A01 AND 51-42-13-001-001-A01. COMPLIED REMAINING STEP OF CRJ-900 SRM 53-11-201-004-A01 STEP 6 TO 10, AND COMPLETED PERMANENT REPAIR."

Part: STRINGER — CORRODED (ZONE 100) · airframe 19,851 hrs · 16,012 cycles

STR 25R BETWEEN FS 280 TO FS 333 HAS CORROSION. REMOVED STR 25R @ FR 333 IAW CRJ 900 SRM 51-42-06-001-001-A01 REMOVED 1 WIRE STANDOFF @ FS 319 - FS 333, AND 1 WIRE STANDOFF @ FS 295 - FS 310 ON STR 25R IAW CRJ 900 SRM 51-42-06-001-001-A01 REMOVED 2 STANDOFFS AND HYDRAULIC LINE BRACKET ON STR 25R @ FS 295 - FS 310 IAW CRJ 900 SRM 51-42-06-001-001-A01 DISPLACED 2 CLEATS ON STR 25R @ FS 319 AND FS 310 IAW CRJ 900 SRM 51-42-06-001-001-A01 LOCATED AND DRILLED NEW SERVICEABLE STR 25R PN SH670-31212-2U IAW CRJ 900 SRM 51-40-11-001-001-A01 INSTALLED NEW SERVICEABLE STR 25R (PN SH670-31212-2U) FROM FS280 TO FS 333 IAW CRJ900 SRM 51-42-06-001-001-A01 AND 51-42-21-001-001-A01 INSTALLED 1 WIRE STANDOFF FROM FS 319 - FS 333, AND 1 WIRE STANDOFF FROM FS 295 - FS 310 ON STR 25R IAW CRJ 900 SRM 51-42-06-001-001-A01 INSTALLED SAME SERVICEABLE 2EA STANDOFF AND HYDRAULIC LINE BRACKET ON STR 25R BETWEEN FS 295 TO FS 310 IAW CRJ 900 SRM 51-42-06-001-001-A01 INSTALLED SAME SERVICEABLE 2EA STRINGER CLEATS ON STR 25R ON FS 310 AND FS 319 IAW CRJ900 SRM 51-42-06-001-001-A01. EDGE SEALED AND PAINTED IAW CRJ-900 SRM 51-23-00-001-001-A01 AND SRM 51-23-00-001-001-A01.

Part: STRINGER — CORRODED (ZONE 100) · airframe 19,851 hrs · 16,012 cycles

STR 22R BETWEEN FS 280 TO FS 333 HAS CORROSION. UPON EVAL STR 22R FROM FS 280 TO FS 333 HAS CORROSION THAT EXCEEDS THE ALLOWABLE LIMITS OF 10 PERCENT MATERIAL LOSS DUE TO EXCESSIVE CORROSION NEAR MULTIPLE FASTENER LOCATIONS IAW CRJ 900 SRM 53-21-03-101-002-A04 REMOVE AND REPLACE REQUIRED. REMOVED AND INSTALLED PNEUMATIC DUCT BRACKET FROM STR 22R BETWEEN FS 280 TO FS 295 IAW CRJ900 SRM 51-42-06-001-001-A01. REMOVED 3EA STRINGER CLEAT FROM STR 22R BETWEEN FS 310 TO FS 333 FOR ACCESS IAW CRJ900 SRM 51-42-06-001-001-A01. INSTALLED 2 EACH STGR CLEATS ON STGR 22R COMMON TO FS 319.00 AND FS 310.00 IAW CRJ900 SRM 51-42-06-001-001-A01. REFER TO TASK 3B FOR STGR CLEAT INSTALLATION ON FS 333.00. STGR CLEAT FROM STGR 22R COMMON TO FS 333.00 REQUIRES INSTALL, REFER TO BARCODE HN00184061 FOR STGR CLEAT INSTALLATION. DISPLACED AND REINSTALLED ELECTRICAL CONNECTOR BRACKET FOR FROM STR 22R BETWEEN FS 319 TO FS 333 IAW CRJ900 SRM 51-42-06-001-001-A01. DISPLACED AND REINSTALLED STANDOFF FROM STRINGER 22R BETWEEN FS 319 TO FS 333 FOR ACCESS IAW CRJ900 SRM 51-42-06-001-001-A01. REMOVED STRINGER 22R FROM FS 280 TO FS 333 IAW CRJ900 SRM 51-42-06-001-001-A01 AND 51-42-21-001-001-A01. INSTALLED NEW STGR 22R P/N: SH670-31210-2U IAW CRJ900 SRM 51-42-06-001-001-A01 AND CRJ900 SRM 51-42-21-001-001-A01. RECEIVED NEW STGR 22R P/N: SH670-31210-2U. PART REQUIRES LOCATE AND DRILL UP. LOCATED AND DRILLED NEW STGR 22R P/N: SH670-31210-2U IAW CRJ900 SRM 51-40-11-001-001-A01.

Part: STRINGER SPLICE — CORRODED (ZONE 100) · airframe 19,851 hrs · 16,012 cycles

STRINGER SPLICE FROM STR 23R AND FS 333 IS CORRODED. STRINGER 23R SPLICE AT F.S. 333 IS IDENTIFIED AS P/N SH670-32429-4 AND IS CORRODED ACROSS ENTIRE LENGTH. NO ALLOWABLE DAMAGE LIMITS PROVIDED IN CR- J-900 SRM. PART REQUIRES REPLACE. REMOVED STRINGER SPLICE FROM STR 23R AT F.S.333 P/N: SH670-32429-4 IAW CRJ900 SRM 51-42-06-001- 001-A01. LOCATED AND DRILLED STRINGER SPLICE P/N SH670-32429-4S IAW CRJ-900 SRM 51-40-11-001-001-A01. INSTALLED NEW SERVICEABLE STGR SPLICE FROM STGR 23R AND FS 333.00. IAW CRJ900 SRM 51-42-06-001-001-A01. INSTALLED STGR CLEAT FROM STGR 23 R, FS 333.00. IAW CRJ900 SRM 51-42-06-001-001-A01. RESTORED FINISH OF THE REWORKED AREA. IAW CRJ900 SRM 51-21-16-001-001-A01. FOR APPLY CIC REFERENCE TO MWC HR00461541.

Part: STRINGER — CORRODED (ZONE 100) · airframe 19,851 hrs · 16,012 cycles

STR 23R BETWEEN FS 280 TO FS 333 HAS CORROSION. REMOVED STR 23R FROM FS 280 - FS 333 IAW CRJ 900 SRM 51-42-06-001-001-A01 & CRJ 900 SRM 51-42-21-001-001-A01. INSTALLED NEW SERVICEABLE STGR 23R P/N: SH670-31211-4U IAW CRJ900 SRM 51-42-06-001-001-A01. AND CRJ900 SRM 51-42-21-001-001-A01.

Part: STRINGER SPLICE — CORRODED (ZONE 100) · airframe 19,851 hrs · 16,012 cycles

STRINGER SPLICE FROM STGR 22R AND FS 333 IS CORRODED. REMOVED STRINGER SPLICE FROM STGR 22R F.S. 333 IAW CRJ 900 SRM 51-42-06-001-001-A01 & CRJ 900 SRM 51-42-21-001-001-A01. INSTALLED NEW SERVICEABLE STGR 22R STRINGER SPLICE P/N: SH670-32429-4 IAW CRJ900 SRM 51-42-06-001-001-A01. AND CRJ900 SRM 51-42-21-001-001-A01.

Part: ANGLE — CRACKED (ZONE 200) · airframe 19,851 hrs · 16,012 cycles

"ANGLE AT FS 280 LBL 9.0 INBOARD CRACKED P/N CC670-34269-6 FABRICATED 1EA ANGLE PN CC670-34010-S0201 AS REQUIRED USING 7475-T7351 PO# W93332 IAW STEPS 1-2 OF MHIRJ SNIEO CC670-34010 IDENTIFIER S21.APPLIED PROTECTIVE FINISH AND IDENTIFY NEW FABRICATED ANGLE WITH CC670-34269-S0201 IAW MHIRJ SNIEO CC670-34269 IDENTIFIER S02 STEPS 4 TO 6 LOCATED AND DRILLED NEW FABRICATED ANGLE AT FS280 LBL 9 INBOARD SIDE IAW CRJ900 SRM 51-40-11-001-001-A01. INSTALLED NEW FABRICATED ANGLE AT FS280 LBL9 INBOARD SIDE IAW CRJ900 SRM 51-42-21-001-001-A01. "

Part: STRINGER — CORRODED (ZONE 100) · airframe 19,851 hrs · 16,012 cycles

STR27 BETWEEN F.S. 280-295 CORRODED. UPON FURTHER INVESTIGATION STR 27 FROM FS 280 - FS 295 FOUND TO BE OUT OF LIMITS PER CRJ 900 SRM 53-21-03-101-002-A04 REMOVED CLEAT ON F.S. 295, STGR 27 FOR ACCESS AND EVAL. IAW CRJ900 SRM 51-42-06-001-001-A01. REMOVED STR 27 FROM FS 280 - FS 295 IAW CRJ 900 SRM 51-42-06-001-001-A01 LOCATED AND DRILLED NEW SERVICEABLE STR 27 (PN SH670-31642-1) FROM FS 280 TO FS 295 IAW CRJ900 SRM 51-40-11-001-001-A01. INSTALLED NEW SERVICEABLE STR 27 FROM FS 280 TO FS 295 IAW CRJ900 SRM 51-42-06-0001-001-A01 AND 51-42-21-001-001-A01. EDGE SEALANT APPLIED ON NEW SERVICEABLE STGR 27 FROM FS 280 TO FS 295. IAW CRJ900 SRM 51-23-00-001-001-A01. RESTORED FINISH OF THE REWORKED AREA. IAW CRJ900 SRM 51-21-16-001-001-A01. FOR INSTALL CLEAT ON F.S. 295, STGR 27, REFERENCE TO MWC HN00184063, SN 730. FOR APPLY CIC REFERENCE TO MWC HR00461541.

Part: FLOOR SUPPORT — CORRODED (ZONE 200) · airframe 19,851 hrs · 16,012 cycles

RBL 9 FLOOR BEAM BETWEEN FS 1000 AND FS 1069 IS CORRODED REPAIRED IAW CRJ900 SRM SRM 53-00-41-201-001-A03.

Part: SEAT TRACK — CORRODED (ZONE 200) · airframe 19,851 hrs · 16,012 cycles

SEAT TRACK STA 744-752 STR 15R CORREDED AND REQUIRES REPLACEMENT REMOVE SEAT TRACK IAW REO # 670-53-00-587 AND MOD SUM # IIS670530000195 PRIMED AND PAINTED INSTALLED SEAT TRACK STA 744-752 STR 15R IAW CRJ900 AMM 53-00-49-400-801 (CONFIG A13)

Part: SEAT TRACK — CORRODED (ZONE 200) · airframe 19,851 hrs · 16,012 cycles

RBL 9 SEAT TRACK FROM FS 669 - FS 847 IS CORRODED. REMOVED RBL 9 SEAT TRACK FROM FS 669 - FS 847 IAW CRJ900 AMM 53-00-49-100-801 (CONFIG A13) FABRICATED NEW RBL 9 SEAT TRACK P/N KBA690-41125-26 USING EXTRUSION TRACK PN 20276-288-0-0A PO: W77329 IAW REO-670-53-00-589. PAINTED NEW SEAT TRACK PN KBA690-41125-26 IAW BOMBARDIER MODSUM IS67053000195 REV A DATED 2018-02-07 INSTALLED NEW SERVICEABLE SEAT TRACK AT RBL 9 FROM F.S. 669-F.S. 847 IAW CRJ-900 AMM 53-00-49-400-801 (A13) STEP 4B (2).

Part: ANGLE — CORRODED (ZONE 200) · airframe 19,851 hrs · 16,012 cycles

FS.280 J ANGLE IS CORRODED. EVALUATED FS 280 J ANGLE ORIGINAL MATERIAL IS .063 REMAINING IS .048 LOSS OF .015 FOUND TO BE OUT OF LIMITS IAW CRJ 900 SRM 53-21-43-101-001-A03. REMOVED AND REPLACED J ANGLE P/N: CC670-34095-1 AT FS 280IAW CRJ 900 SRM 51-42-06-001-001-A01 AND 51-42-21-001-001-A01 LOCATED AND DRILLED NEW J-ANGLE P/N: CC670-34095-1, AT FS 280, IAW CRJ-900 51-40-11-001-001-A01. LOCATED AND DRILLED NEW J-ANGLE P/N: CC670-34095-1, AT FS 280, IAW CRJ-900 51-40-11-001-001-A01.

Part: STRINGER — CORRODED (ZONE 100) · airframe 19,851 hrs · 16,012 cycles

"STGR 23R BETWEEN FS 364 AND FS 379 HAS CORROSION. REMOVED CAP ANGLE AT FS280 RH SIDE IAW CRJ900 SRM 51-42-06-001-001-A01 AND 51-42-13-001-001-A01. REMOVED CORROSION ON LOWER WEB AT RBL 11 ORIGINAL MATERIAL 0.040"", MRT 0.029"" MATERIAL REMOVED 0.011"" MATERIAL ALLOWED REMOVAL 0.005"" FOUND TO BE OUT LIMITS IAW CRJ900 SRM 53-11-10-201-003-A01. REMOVED DAMAGED LOWER WEB AND BUTTSTRAP AT FS280 RH SIDE IAW CRJ900 SRM 51-42-06-001-001-A01 AND 51-42-13-001-001-A01. FABRICATED, LOCATED AND DRILLED LOWER WEB AND BUTTSTRAP AT FS280, IAW SRM 51-40-11-001-001-A01 AND 53-11-10-201-004-A01, PO# 5-23072, 0.040"", 7075-T6. INSTALLED NEW FABRICATED LOWER WEB AND BUTTSTRAP AT FS280 RH SIDE IAW CRJ900 SRM 53-11-10-201-004-A01 5

Part: DOOR SILL — CORRODED (ZONE 200) · airframe 19,851 hrs · 16,012 cycles

PAX DOOR SURROUND STRUCTURE INTERCOSTAL AT STR. 21L BETWEEN FS.319.00 AND FS.333.00 IS CORRODED. PAX DOOR SURROUND STRUCTURE INTERCOSTAL AT STR. 21L BETWEEN FS.319.00 AND FS.333.00 IS CORRODED. INTERCOSTAL AT STR. 21L BETWEEN FS.319.00 AND FS.333.00 IS CORRODED OVER HALF THE PART REQUIRES REPLACEMENT IAW CRJ-900 SRM 51-77-00-001-001-A01 INSTALLED SAME SERVICEABLE AVIONICS LH OB MOUNT RACK RAIL BETWEEN FS 295 - 333 IAW CRJ 900 SRM 51-42-06-001-001-A01. INSTALLED GUSSET (SH670-31928-5) FROM FS 310 AND STR 21L , GUSSET (SH670-31929-1) FROM FS 319 AND STR 21L AND GUSSET (SH670-31930-1) FROM FS 333 AND STR 21L FOR ACCESS IAW CRJ900 SRM 51-42-06-001-001-A01 PAINTED FASTENERS COMMON TO GUSSETS ON STGR 21L INTERCOSTAL @ FS 310, FS 319.70, FS 333 IAW CRJ 900 SRM 51-25-16-001-001-A01. REMOVED 10EA GROUND STUDS(GS443, GS441, GS1839, GS1841, GS331, GS329, GS319, GS317, GS445, GS405) AT DAMAGE INTERCOSTAL 21L BETWEEN FS319.00 AND FS 333 IAW CRJ900 SRM 51-41-02-001-001-A01 INSTALLED SERVICEABLE HARDWARE AND 10EA GROUND STUDS (GS443, GS441, GS1839, GS1841, GS331, GS329, GS319, GS317, GS445, GS405) ON 21L INTERCOSTAL BETWEEN FS319.00 AND FS 333 IAW CRJ 900 AMM 51-80-00-910-805 (A01). REMOVED MULTIPLE FASTENERS FROM INTERCOSTAL AT STR. 21L BETWEEN FS.319.00 AND FS.333.00 AND DISPLACED ALL GROUND STUD WIRES FROM 21L INTERCOASTAL IAW CRJ-900 SRM 51-42-06-001-001-A01 AMM 20-21-00-910-801-A01 REMOVED REMAINING FASTENER AND REMOVED INTERCOSTAL 21L BETWEEN FS.319.00 AND FS.333.00 IAW CRJ900 SRM 51-42-06-001-001-A01. INSTALLED NEW SERVICEABLE INTERCOSTAL (PN# SH670-31822-1S) AT STR 21L BETWEEN FS 319.00 AND FS 333.00 IAW CRJ900 SRM 51-42-06-001-001-A01 LOCATED AND DRILLED NEW INTERCOSTAL 21L BETWEEN FS 319.00 FS 333.00(PN# SH670-31822-1S) IAW CRJ900 SRM 51-40-11-001-001-A01.

Part: STRINGER — CORRODED (ZONE 100) · airframe 19,851 hrs · 16,012 cycles

STR 20R BETWEEN 295-319 IN RIVET ROW CORRODED REMOVED CORROSION ON STGR 20R IAW CRJ900 SRM 51-21-06-001-001-A01. FOUND TO BE OUT OF LIMITS ALLOWED DAMAGE IAW CRJ900 SRM 53-21-03-101-002-A04. REQUIRES REPLACE. REMOVED STGR 20R SEGMENT FROM FS 280.00 TO FS 319.00 IAW CRJ900 SRM 51-42-06-001-001-A01 AND CRJ900 SRM 51-42-21-001-001-A01. REMOVED BRACKET PN SH670-95034-5 FROM STR 20R BETWEEN FS 280 FS 295 IAW CRJ 900 SRM 51-42-06-001-001-A01 REMOVED 8 EACH SOLID RIVETS FROM INTERCOSTAL COMMON TO STGR 20R BETWEEN FS 310.00 AND FS 319.00 IAW CRJ900 SRM 51-42-06-001-001-A01. DISPLACED STGR CLEAT AT STGR 20R FS 310.00 TO FACILITATE STGR 20R REMOVAL IAW CRJ900 SRM 51-42-06-001-001-A01. LOCATED AND DRILLED NEW SERVICEABLE STGR 20R P/N:SH670-31208-3 SEGMENT FROM FS 280.00 TO FS 319.00. IAW CRJ900 SRM 51-40-11-001-001-A01. INSTALLED STGR 20R P/N SH670-31208-3 FROM FS 280.00 TO FS 319.00 IAW CRJ900 SRM 51-42-06-001-001-A01 AND CRJ900 SRM 51-42-21-001-001-A01. EDGE SEALANT APPLIED ON NEW STGR 20R P/N:SH670-31208-3 FROM FS 280.00 TO FS 319.00. IAW CRJ900 SRM 51-23-00-001-001-A01 RESTORED FINISH OF THE REWORKED AREA. IAW CRJ900 SRM 51-21-16-001-001-A01 INSTALLED BRACKET PN SH670-95034-5 FROM STR 20R BETWEEN FS 280 FS 295 IAW CRJ 900 SRM 51-42-06-001-001-A01. INSTALLED 8 EACH SOLID RIVETS FROM INTERCOSTAL COMMON TO STGR 20R BETWEEN FS 310.00 AND FS 319.00 IAW CRJ900 SRM 51-42-06-001-001-A01. INSTALLED STGR CLEAT AT STGR 20R FS 310.00. IAW CRJ900 SRM 51-42-06-001-001-A01. FOR APPLY CIC REFERENCE TO MWC HR00461541.

Part: STRINGER — CORRODED (ZONE 100) · airframe 19,851 hrs · 16,012 cycles

STR 26R CORRODED FROM F.S. 280-333 REMOVED CORROSION ON STGR 26R (P/N:SH670-31634-2) BETWEEN F.S 280.00 TO F.S. 333.00 IAW CRJ900 SRM 51-21-06-001-001-A01. FOUND TO BE OUT OF LIMITS ALLOWED IAW CRJ90 SRM 53-21-03-101-002-A04. REQUIRES REPLACE. REMOVED STGR 26R CLEATS FROM FS 295, 310, AND 319 IAW CRJ 900 SRM 51-42-06-001-001-A01 REMOVED STGR 26R FROM FS 280-333 IAW CRJ 900 SRM 51-42-06-001-001-A01 AND 51-42-21-001-001-A01 LOCATED AND DRILLED NEW STGR 26R (P/N: SH670-31634-2) IAW CRJ 900 SRM 51-40-11-001-001-A01 INSTALLED STGR 26R FROM FS 280-333 THROUGH THE SKIN IAW CRJ 900 SRM 51-42-06-001-001-A01 AND 51-42-21-001-001-A01 INSTALLED STGR 26R CLEATS FROM FS 295, 310, AND 319 IAW CRJ 900 SRM 51-42-06-001-001-A01EDGE SEALANT APPLIED ON STGR 26R FROM FS 295 TO FS 333. IAW CRJ900 SRM 51-23-00-001-001-A01RESTORED FINISH OF THE REWORKED AREA. IAW CRJ900 SRM 51-21-16-001-001-A01FOR APPLY CIC REFERENCE TO MWC HR00461541.

Part: CHANNEL — CORRODED (ZONE 100) · airframe 19,851 hrs · 16,012 cycles

"ANTENA DOUBLER F.S. 295-310 STR 27 CORRODED. UPON FURTHER INVESTIGATION, FOUND CORROSION ON ANTENNA DOUBLER AT F.S. 295-310 STR 27, ORIGINAL MATERIAL THICKNESS OF 0.050"", AFTER CORROSION REMOVAL OF 0.050"", 100% MATERIAL LOSS, DOUBLER FOUND TO BE OUT OF LIMITS, REQUIRES REPLACEMENT. IAW CRJ900 SRM 53-21-01-101-002-A04 AND SRM 51-21-06-001-001-A01. REMOVED TCAS OMNIDIRECTIONAL ANTENNA. IAW CRJ900 AMM 34-43-07-000-801-A01 INSTALLED TCAS OMNIDIRECTIONAL ANTENNA, IAW CRJ900 AMM 34-43-07-400-801-A01 OPERATIONAL TEST OF THE TCAS IS GOOD IAW CRJ 900 AMM TASK 34-43-00-710-801-A01 INSTALLED 4EA NUT PLATE P/N:NAS1473A3 ON ANTENNA DOUBLER F.S. 295-310. IAW CRJ900 SRM 51-42-06-001-001-A01. CORROSION FOUND ON STGR27 BETWEEN F.S 280.00 TO F.S. 295.00 DOCUMENTED ON MHIRJ MWC HN00182860, SN 699. REMOVED UNSERVICEABLE ANTENNA DOUBLER F.S. 295-310 STR 27, IAW CRJ900 SRM 51-42-21-001-001-A01 AND SRM 51-42-06-001-001-A01. LOCATED AND DRILLED NEW SERVICEABLE ANTENNA DOUBLER F.S. 295-310 STR 27 (P/N:SH670-32364-7S) IAW CRJ900 SRM 51-40-11-001-001-A01. INSTALLED NEW SERVICEABLE ANTENNA DOUBLER F.S. 295-310 STR 27 (P/N:SH670-32364-7S) IAW CRJ900 SRM 51-42-21-001-001-A01 AND SRM 51-42-06-001-001-A01."

Part: ANGLE — CORRODED (ZONE 100) · airframe 19,851 hrs · 16,012 cycles

THE TWO CENTER INTERCOSTALS AT THE FRONT END OF THE MAIN AVIONICS DOOR SURROUND STRUCTURE ARE CORRODED. 2 EA. INTERCOSTALS AT F.S. 349 - F.S. 364 STGR 27L & 27R CORRODED AND FOUND TO BE OUT OF LIMITS IAW CRJ-900 SRM 53-21-23-101-003-A02. REMOVED AND INSTALLED NEW SERVICEABLE INTERCOSTALS P/N SH670-32075-3 & SH670-32075-4 IAW CRJ-900 SRM 51-42-06/21-001-001-A01. DURING INTERCOSTAL REPLACEMENT, REMOVED FOR ACCESS AND REINSTALLED MAIN AVIONICS DOOR PROX SENSOR PX41 IAW CRJ-900 AMM 52-70-08-000/400-801 (A01). ADJUSTED PX41 PROX SENSOR AS NECESSARY IAW CRJ-900 AMM 52-70-08-820-802 (A01) AND PERFORMED OPS CHECK OF MAIN AVIONICS DOOR IAW CRJ-900 AMM 52-42-00-710-801 (A01). OPS CHECK GOOD.

Part: CARGO TRACK — CORRODED (ZONE 100) · airframe 19,851 hrs · 16,012 cycles

"THE BEAM AT LBL9 HAS AREAS OF CORROSION BETWEEN FS 1015 AND FS 1069. THE BEAM AT LBL9 BETWEEN FS 1015 AND FS 1069 REMOVED CORROSION IAW CRJ 900 SRM 51-21-06-001-001-A01 REQUIRES NDT. PERFORMED UT THICKNESS OF FLOOR BEAM LBL9 FS1015-FS1069 REWORKED AREAS IAW CRJ 900 NDTM PART 1 51-20-004-270-A01. FOUND LOWEST REMAINING THICKNESS TO BE 0.071"" OR GREATER. PERFORMED UT THICKNESS OF FLOOR BEAM LBL FS1015-FS1069 REWORKED AREAS IAW CRJ 900 NDTM PT 1 51-20-004-270-A01. FOUND LOWEST REMAINING THICKNESS TO BE .068"" OR GREATER. BLENDED AREAS ON BEAM AT LBL 9 P/N: MM670-35301-015 BETWEEN FS 1015 AND FS 1069 WITH DIMENSIONS: LOST MATERIAL: 0.013"" REMAINING MATERIAL: 0.068"" FOUND OUT ALLOWABLE DAMAGE LIMITS IAW CRJ-900 SRM 53-61-43-101-001-A02. INCORRECT MATERIAL LOSS PROVIDED. FLANGE MRT IS .068"" OF .080"", .012"" REMOVED. CENTER PAD UP OF BEAM MRT IS 0.94"" OF .120"", .026"" REMOVED. SEE C/A 4A FOR REPAIR. ENGINEERING SUPPORT IS REQUIRE BY REFERENCE CRJ-900 SRM 53-61-43-101-001-A02. ENGINEERING NO LONGER REQUIRED. BEAM WILL BE REPAIRED PER SRM. REPAIR LBL9 FLOORBEAM FROM FS 977 TO FS 1069 IAW CRJ900 SRM 53-00-41-201-001-A03. PERFORMED SECTION CUT AND DEBURRING AT FLOOR BEAM LBL 9, BETWEEN FS1000 TO FS1069.75 IAW STEP 5.B (1 AND 2), OF CRJ-900 SRM 53-00-41-201-001-A03. REMOVED THE CARGO TIE-DOWN TRACK AT LBL9 BETWEEN FS988 AND FS1005 IAW CRJ900 AMM 53-00-49-000-802-A02. ""CARGO TIE-DOWN TRACK"" IS ACTUALLY LBL 9 SEAT TRACK AND IS BEING REPLACED. REFERENCE NRI HN00193441 FOR REPLACEMENT/REINSTALLATION. NDT REQUIRED CHECK FOR CRACK ON CUT LINE AT FLOOR BEAM LBL9 BETWEEN FS 1000 TO FS1069.75 IAW CRJ-900 SRM 53-00-41-201-001-A03, STEP 5.B (3). C/W HFEC ON FLOOR BEAM LBL9 FS 1000-1069 CUTLINE EDGES IAW CRJ 900 SRM 53-00-41-201-001-A03 STEP 5.B.3. NO INDICATIONS NOTED AT THIS TIME. REQUIRES REMAINING STEPS OF CRJ900 SRM 53-00-41-201-001-A03. FABRICATED LOCATED AND DRILLED NEW FLOORBEAM LBL9 BETWEEN FS1000 TO FS1069.75 MATERIAL USED S6283 P.O.: 5-27808 IAW CRJ900 SRM 53-00-41-201-001-A03 STEPS 5.B. (5) TO (7) AND SRM 51-40-11-001-001-A01. PAINTED FLOOR BEAM IAW CRJ 900 SRM 51-25-16-001-001-A01 AND PAINTED SPLICE ANGLES IAW REO 670-53-61-1460 REV: DATED 2024-09-30. FABRICATED SPLICE ANGLES IAW REO 670-53-61-1460 REV-- 2024-09-30 STEP 1. FABRICATED, LOCATED AND DRILLED LOWER FLANGE SPLICES AT LBL9 BETWEEN FS1000 TO FS1015 & FS1051 TO FS1070 MATERIAL USED 7075T6 0.125"" P.O.: W89369 IAW CRJ900 SRM 53-00-41-201-001-A03. STEPS STEPS 5.B. (5) TO (7) AND SRM 51-40-11-001-001-A01. PAINTED NEW FABRICATED LOWER FLANGE SPLICES IAW CRJ-900 SRM 51-25-16-001-0 "

Part: FLOOR SUPPORT — CORRODED (ZONE 200) · airframe 19,851 hrs · 16,012 cycles

"AREAS OF CORROSION FOUND ON FLOOR BEAM AT LBL 27 BETWEEN FS 1005 AND FS 1047. INSTALLED LBL 27 FLOOR BEAM SEGMENT FROM FS985 TO FS1051 IAW CRJ900 SRM 53-00-41-201-001-A03. STEPS 5B(8-11). DAMAGE SECTION OF THE FLOOR BEAM WAS CUT AT LBL27 FS1056 IAW CRJ900 SRM 53-00-41-201-001-A03 STEPS 5.B. (1) AND (2). FABRICATED, LOCATED AND DRILLED NEW SERVICEABLE FLOORBEAM, EXTRUSION USED PN: S6283 PO: 5-33613 AT LBL27 FS977 TO FS1056, LOWER FLANGE SPLICES MATERIAL USED 7075-T6 0.090"" PO: W77386, FROM FS985 TO FS1051 IAW CRJ900 SRM 53-00-41-201-001-A03 STEPS 5.B (5) TO (7) AND 51-40-11-001-001-A01. FABRICATED, LOCATED AND DRILLED NEW SPLICES (2EA) AT LBL27 BTW FS1051 & FS1069 MATERIAL USED: S6283 P.O.: 5000033613 IAW MHRJ REO 690-53-61-1460 REV. - DATED: 2024-09-30 STEP 1 AND CRJ900 SRM 51-40-11-001-001-A01. PAINTED REPAIR PARTS IAW CRJ-900 SRM 51-25-16 -001-001-A01 FABRICATE NEW ANGLE SPLICE. COMPLETED STEP 1 IAW ENDEAVOR AIR REO 690-53-61-1460. IDENTIFIED SPLICES LH WITH 690-53-61-1460-9 AND RH WITH 690-53-61-1460-10 AND COMPILED WITH REMAINING STEPS AS PER MHIRJ REO 690-53-61-1460 REV. - DATED 2024-09-30."

Part: ANGLE — CORRODED (ZONE 200) · airframe 19,851 hrs · 16,012 cycles

GALLEY SERVICE DOOR LOWER SILL ANGLE IS CORRODED BETWEEN F.S.319 TO F.S.349 REMOVED AND REPLACED SERVICE DOOR LOWER SILL ANGLE PN SH670-31996-3 IAW CRJ 900 SRM 51-41-02-001-001-A01, 51-42-06-001-001-A01, AND 51-42-21-001-001-A01.

Part: ANGLE — CORRODED (ZONE 200) · airframe 19,851 hrs · 16,012 cycles

GALLEY SERVICE DOOR LOWER SILL ANGLE IS CORRODED BETWEEN F.S.319 TO F.S.349 REMOVED AND REPLACED SERVICE DOOR LOWER SILL ANGLE PN SH670-31996-3 IAW CRJ 900 SRM 51-41-02-001-001-A01, 51-42-06-001-001-A01, AND 51-42-21-001-001-A01.

Part: FITTING — CRACKED (PAX DOOR) · airframe 15,235 hrs · 12,254 cycles

PAX DOOR LINTEL CRACKED. ACCOMPLISHED REO 670-53-493 REV D DATED 2015-07-10 BY PERFORMING PERMANENT REPAIR SB 670-53-040 PART B REV C DATED SEP 20 2012.

Part: FLOORBEAM — CRACKED (BS 280) · airframe 15,235 hrs · 12,254 cycles

LEFT BS 280 FLOORBEAM HAS A CRACK. REMOVED AND REPLACED THE FLOORBEAM IAW SRM 51-42-13, AND SRM 51-42-06.

Part: FLOORBEAM — CORRODED (BS 280) · airframe 15,235 hrs · 12,254 cycles

RIGHT BS 280 FLOORBEAM HAS SIGNS OF CORROSION. REMOVED AND REPLACED THE FLOORBEAM IAW SRM 51-42-21, 51-42-06, AND 51-42-13,

Part: FLOORBEAM — CORRODED (BS 280) · airframe 15,235 hrs · 12,254 cycles

RT FWD FLOORBEAM ANGLE HAS SIGNS OF CORROSION AT BS 280. REPAIRED FLOORBEAM ANGLEL IAW REO 670-53-21-139, REV B.

Part: STIFFENER — CRACKED (FUSELAGE) · airframe 15,235 hrs · 12,254 cycles

RT FS 280 BULKHEAD WEB SUPPORT STIFFENER ANGLE AT RT BL 26.00 IS CRACKED. REMOVED AND REPLACED CRACKED WEB STIFFENER ANGLE IAW SRM 51-40-11, 51-42-06, 51-42-21.

Part: STRINGER SPLICE — CORRODED (BS 319-349) · airframe 15,235 hrs · 12,254 cycles

STRINGER SPLICE 26R CORRODED OUT OF LIMITS IAW SRM 53-21-03, BETWEEN BS 319.70 AND 349 . REMOVED AND REPLACED THE STRINGER SPLICE IAW SRM 51-42-06.

Part: ASSIST SYSTEM — INOPERATIVE (PAX DOOR) · airframe 13,036 hrs · 10,477 cycles

PAX DOOR ASSIST INOPERATIVE.

Part: STRINGER — CRACKED (FUSELAGE) · airframe 13,004 hrs · 10,456 cycles

PASSENGER DOOR LINTEL STR 3 AT FS 280.00 IS CRACKED. REMOVED CRACKED ANGLE, FABRICATED AND INSTALLED REPAIR PARTS IAW REO 670-53-21-493 REV D, AND SRM 20-30-00 AND 20-20-00. NDT PERFORMED. THIS REPAIR IS A TEMPORARY REPAIR GOOD FOR 6000 FLIGHT HRS IAW REO 670-53-21-493, REV D.

Part: LENS — MISINSTALLED (CABIN) · airframe 11,418 hrs · 9,316 cycles

PAX DOOR EMERGENCY LIGHT LENS UPSIDE DOWN. REPOSTIONED MAIN DOOR EMERGENCY LIGHT IAW AMM 33-51-15.

Part: WARNING SYSTEM — ACTIVATED (COCKPIT) · airframe 10,564 hrs · 8,662 cycles

PASSENGER DOOR OUTER HANDLE MSG. DEFERRED PAX DOOR OUTER HANDLE MSG IAW MEL 52-70-01 CAT A.

Part: COVER — UNSECURE (EMERGENCY EXIT) · airframe 10,358 hrs · 8,495 cycles

LEFT SIDE EMER EXIT HANDLE COVER FALLING DOWN. SECURED EMER EXIT HANDLE COVER WITH VELCRO IAW AMM 51-22-61.

Part: TIRE — SEPARATED (NLG) · airframe 10,013 hrs · 8,233 cycles

HIGH SPEED ABORTED TAKEOFF AT 100 KTS FOR BLOWN TIRE, NOSE. TIRE NOT BLOWN, FOUND TREAD SEPARATION. R & R LT & RT NOSE WHEEL ASSEMBLIES.