N419YX

Part: NONE — CORRODED (ZONE 200) · airframe 22,634 hrs · 15,302 cycles

WHILE IN HEAVY CHECK - FWD WET AREA RH SIDE OF CROSSBEAM 14 HAS CORROSION. PERFORMED PERMANENT REPAIR ON FWD WET AREA CROSSBEAM 14 RH SIDE. REF EMB SRM 53-00-10/REPAIR03.

Part: FMU — FAULTED (NR 1 ENGINE) · airframe 22,517 hrs · 15,223 cycles

ENGINE 1 SHUTDOWN IN FLIGHT WITH ENG 1 FAIL. DECLARED EMERGENCY, LANDED WITHOUT INCIDENT. R&R E1 FADEC AND FMU.

Part: POWER UNIT — INOPERATIVE (ZONE 100) · airframe 19,810 hrs · 13,274 cycles

EMERGENCY LIGHTS NOT ILLUMINATED ABOVE R2 DOOR. R&R EMERGENCY LIGHT POWER UNIT #4.

Part: SEAT TRACK — CORRODED (FRAME 84) · corrosion level 2 · airframe 16,646 hrs · 11,150 cycles

WHILE IN HEAVY CHECK- LH SEAT TRACK INBD FLANGE HAS CORROSION ON TOP OF FLANGE AT FR 84; Y=(-10.78") REMOVED CORRODED SECTION REF ETD2020-170-005377. FABRICATED 3 EA REPAIR ANGLES REF ETD2020-170-005377. INSTALLED LH INBD SEAT TRACK REPAIR AT FRAME 84 REF ETD2020-170-005377.

Part: SEAT TRACK — CORRODED (FRAME 82) · corrosion level 2 · airframe 16,646 hrs · 11,150 cycles

WHILE IN HEAVY CHECK- CF 3 CABIN FLOOR STRUCTURE RH INBD LONGITUDINAL SEAT TRACK HAS CORROSION AT FR82. CUT AND REMOVED SECTION OF FLOOR BEAM DUE TO CORROSION OUT OF LIMITS REF SRM 53-23-10/AD01. APPLIED SURFACE PROTECTION TO R/H INBD SEAT TRACK BETWEEN FR 81-84. PER REF ETD 2020-170-005453. SRM 51-23-06, CPM 51-25-00.

Part: WEB — CORRODED (FRAMES 85-86) · corrosion level 2 · airframe 16,646 hrs · 11,150 cycles

WHILE IN HEAVY CHECK- CF 3 CABIN FLOOR STRUCTURE CORROSION LH UPPER SHEET AT FR85-86. REMOVED CORROSION ON CF 3 CABIN FLOOR STRUCTURE LH UPPER SHEET AT FR85-86 BY BLENDING. REMOVED 0.008" MATERIAL FROM DAMAGED AREA TO REMOVE DAMAGE. REMAINING MATERIAL MEASURES 0.055" OF AN ORIGINAL THICKNESS OF 0.063". AREA WHERE MATERIAL WAS REMOVED IS "OUT" OF LIMITS OF SRM REF: SRM 51-75-16. LOCATED, DRILLED, AND ALODINED NEW L/H UPPER SHEET AT FR85-86. REF: EMB SRM 51-40-02, SRM 51-23-04 INSTALLED NEW L/H UPPER SHEET AT FR85-86. REF: EMB SRM 51-21-01, SRM 51-40-08. APPLIED SURFACE PROTECTION REF: EMB SRM 51-23-06, CPM 51-25-00.

Part: WEB — CORRODED (FRAME 85-86) · corrosion level 2 · airframe 16,646 hrs · 11,150 cycles

WHILE IN HEAVY CHECK- CF 3 CABIN FLOOR STRUCTURE CORROSION RH UPPER SHEET AT FR85-86. REMOVED CORROSION ON CF 3 CABIN FLOOR STRUCTURE RH UPPER SHEET AT FR85-86 BY BLENDING. REMOVED 0.008" MATERIAL FROM DAMAGED AREA TO REMOVE DAMAGE. REMAINING MATERIAL MEASURES 0.055" OF AN ORIGINAL THICKNESS OF 0.063". AREA WHERE MATERIAL WAS REMOVED IS "OUT" OF LIMITS OF SRM REF: SRM 51-75-16. LOCATED, DRILLED, AND ALODINED NEW R/H UPPER SHEET AT FR85-86. REF: EMB SRM 51-40-02, SRM 51-23-04 INSTALLED NEW R/H UPPER SHEET AT FR85-86. REF: EMB SRM 51-21-01, SRM 51-40-08. APPLIED SURFACE PROTECTION REF: EMB SRM 51-23-06, CPM 51-25-00.

Part: SEAT TRACK — CORRODED (FRAMES 81-83) · corrosion level 2 · airframe 16,646 hrs · 11,150 cycles

WHILE IN HEAVY CHECK- CF 3 CABIN FLOOR STRUCTURE RH INBD LONGITUDINAL SEAT TRACK HAS CORROSION AND GOUGES FR83. REMOVED AND REPLACED SEAT TRACK PN: 170-86082-003 FROM FR 81 TO FR 84 REF EMB ETD2020-170-005453.

Part: CROSSBEAM — CORRODED (FRAME 84) · corrosion level 2 · airframe 16,646 hrs · 11,150 cycles

WHILE IN HEAVY CHECK- FLOOR STRUCTURE FR 84 CROSSBEAM HAS CORROSION ON TOP OF CROSSBEAM ADJACENT TO LH SEAT TRACK INBD FLANGE; Y=(-10.78"). CUT AND REMOVED 2 SECTIONS OF TOP OF CROSSBEAM ADJACENT TO LH SEAT TRACK AT FR84 DUE TO CORROSION OUT OF LIMITS REF. SRM 53-23-10/AD01. FABRICATED AND INSTALLED REPAIR PARTS PER ETD2020-170-005537 REV C

Part: FLOOR SUPPORT — CORRODED (FRAME 84) · corrosion level 2 · airframe 16,646 hrs · 11,150 cycles

WHILE IN HEAVY CHECK- CF 3 CABIN FLOOR STRUCTURE CORROSION LH SILL AT FR84. REMOVED CORROSION ON CF 3 CABIN FLOOR STRUCTURE L/H SILL AT FR84 BY BLENDING. REMOVED 0.011" MATERIAL TO REMOVE DAMAGED AREA WHERE MATERIAL WAS REMOVED IS REF: SRM 51-75-16 "OUT" OF LIMITS OF SRM REF: SRM 51-75-16. REMOVED CF 3 CABIN FLOOR STRUCTURE L/H SILL AT FR84. REF: EMB 51-40-08. LOCATED, DRILLED, AND ALODINED NEW CF 3 CABIN FLOOR STRUCTURE L/H SILL AT FR84 REF: EMB 51-40-02, SRM 51-23-04. INSTALLED NEW CF 3 CABIN FLOOR STRUCTURE L/H SILL AT FR84. REF: EMB SRM 51-21-01, SRM 51-40-08. INSTALLED NEW CF 3 CABIN FLOOR STRUCTURE L/H SILL AT FR84. REF: EMB SRM 51-21-01, SRM 51-40-08

Part: SEAT TRACK — CORRODED (FRAMES 81-84) · corrosion level 2 · airframe 16,646 hrs · 11,150 cycles

WHILE IN HEAVY CHECK- CF 3 CABIN FLOOR STRUCTURE RH INBD LONGITUDINAL SEAT TRACK HAS CORROSION AT FR82. CUT AND REMOVED SECTION OF FLOOR BEAM DUE TO CORROSION OUT OF LIMITS REF. SRM 53-23-10/AD01. INSTALLED NEW R/H I/B SEAT TRACK FROM BETWEEN FRAME 81-82 TO FRAME 84 PER REF ETD2020-170-005453.

Part: GUSSET — CORRODED (FRAME 84) · corrosion level 2 · airframe 16,646 hrs · 11,150 cycles

WHILE IN HEAVY CHECK- CF 3 CABIN FLOOR STRUCTURE CORROSION RH GUSSET AT FR84. REMOVED CORROSION ON CF 3 CABIN FLOOR STRUCTURE RH GUSSET AT FR84 BY BLENDING. REMOVED 0.009" MATERIAL TO REMOVE DAMAGED AREA WHERE MATERIAL WAS REMOVED IS "OUT" OF LIMITS OF SRM REF: SRM 51-75-16. REMOVED AND INSTALLED NEW R/H GUSSET AT FR84. REF: EMB SRM 51-21-01, SRM 51-40-08.

Part: SEAT TRACK — CORRODED (FRAME 84) · corrosion level 2 · airframe 16,646 hrs · 11,150 cycles

WHILE IN HEAVY CHECK- CF 3 CABIN FLOOR STRUCTURE RH INBD LONGITUDINAL SEAT TRACK HAS CORROSION FWD OF FR84. REMOVED AND REPLACED SEAT TRACK PN: 170-86082-003 FROM FR 81 TO FR 84 REF EMB ETD2020-170-005453.

Part: SPAR — CRACKED (RT WING) · airframe 16,646 hrs · 11,150 cycles

WHILE IN HEAVY CHECK RH WINGTIP SPAR 1 HAS CRACK AT LOWER SIDE OF SPAR VERIFY BY NDT REMOVED AND REPLACED SPAR 1 EXTENSION. REF E175 SRM 51-40-08.

Part: ATTACH ANGLE — CORRODED (FUSELAGE) · corrosion level 2 · airframe 16,646 hrs · 11,150 cycles

WHILE IN HEAVY CHECK FOUND BURST PANEL 1431DL HAS CORROSION ON 2EA LOWER ATTACH ANGLES REMOVED AND REPLACED ANGLES ONTO PANEL 1431DL. REF EMB SRM 51-40-02, 51-40-08, 51-45-00 AND EMB AMM 20-10-01/200 RESTORED FINISH REF. SRM 51-23-04, 51-23-05.

Part: ATTACH ANGLE — CORRODED (FUSELAGE) · corrosion level 2 · airframe 16,646 hrs · 11,150 cycles

WHILE IN HEAVY CHECK FOUND BURST PANEL 1441FR HAS CORROSION ON 2EA LOWER ATTACH ANGLES REMOVED AND REPLACED LOWER ATTACH ANGLES AT PANEL 1441FR REF EMB SRM 51-40-08.

Part: LIGHT — WORN (CABIN) · airframe 16,058 hrs · 10,785 cycles

PHOTOLUMINESCENT STRIP WORN IN FRONT OF FWD WARDROBE. R&R PHOTOLUMINESCENT STRIPS PER AMM 33-50-21.

Part: TRACK — OBSTRUCTED (CABIN DOOR) · airframe 13,368 hrs · 9,034 cycles

MAIN CABIN DOOR DIFFICULT TO OPEN. CLEANED L1 DOOR TRACKS. C/W OPS CHECK PER AMM 52-11-00. NO DEFECTS NOTED.

Part: PRESSURE SWITCH — DEFECTIVE (BRAKE SYSTEM) · airframe 12,759 hrs · 8,624 cycles

PARKING BRAKE NOT RELEASED EICAS MESSAGE KEPT POPULATING EN ROUTE. QRH PROCEDURE WAS ACCOMPLISHED, MESSAGE CONTINUED TO POPULATE AND GO AWAY. DECLARED EMERGENCY, RETURNED TO FIELD, LANDED WITHOUT INCIDENT. R&R EMERGENCY BRAKE PRESSURE SWITCH SYSTEM 1 IAW AMM 32-44-09. R&R EMERGENCY PARKING BRAKE PRESSURE S WITCH SYSTEM NR 2.

Part: DOOR — LACK OF LUBE (L1) · airframe 12,329 hrs · 8,368 cycles

MAIN CABIN DOOR L1 DIFFICULT TO OPEN FROM OUTSIDE. REMOVED FOD AND LUBRICATED DOOR IAW AMM 52-10-03.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · corrosion level 2 · airframe 11,699 hrs · 7,940 cycles

WHILE AIRCRAFT WAS IN FOR HEAVY MAINTENANCE VISIT, MAINT FOUND FWD FUSELAGE FLOOR FR19 LT OUTBOARD WINDSCREEN MOUNT CORRODED BEYOND ALLOWABLE LIMITS. LOCATED, DRILLED, AND INSTALLED NEW WINDSCREEN MOUNT IAW SRM 51-40-02, 51-40-03, AND 51-43-03.

Part: SHEAR PANEL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 11,699 hrs · 7,940 cycles

CENTER SHEAR PANEL CORRODED. REMOVED AND REPLACED SHEER PANEL.

Part: SHEAR PANEL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 11,699 hrs · 7,940 cycles

SHEAR PANEL CORRODED. REMOVED AND REPLACED SHEER PANEL.

Part: SEAT TRACK — CORRODED (FUSELAGE) · corrosion level 2 · airframe 11,699 hrs · 7,940 cycles

WHILE AIRCRAFT WAS IN FOR HEAVY MAINTENANCE VISIT, LT SEAT TRACK HAS CORROSION BETWEEN FR19-FR20 ON VERY FWD END OF CROWN TEETH AREA. REPAIRED LT INBOARD SEAT TRACK PER ETD2018-170-065116.

Part: WEB — CORRODED (FUSELAGE) · corrosion level 2 · airframe 11,699 hrs · 7,940 cycles

WHILE AIRCRAFT WAS IN FOR HEAVY MAINTENANCE VISIT, MAINTENANCE FOUND FWD WET AREA LT WEB AT FR16 INBOARD LAV MOUNT HOLE CORRODED BEYOND ALLOWABLE LIMITS. REMOVED, LOCATED, DRILLED, AND INSTALLED NEW WEB IAW SRM 51-40-02, 51-40-03, AND 51-41-02.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · corrosion level 2 · airframe 11,699 hrs · 7,940 cycles

AFT WINDSCREEN I/B FLOOR MOUNT CORRODED. REMOVED AND REPLACED FLOOR MOUNT.

Part: DOOR SILL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 11,699 hrs · 7,940 cycles

WHILE AIRCRAFT WAS IN FOR HEAVY MAINTENANCE VISIT, FOUND FWD WET AREA RT WEB AT FR12-FR14 HAS CORROSION. REMOVED AND INSTALLED NEW FLOOR SILL IAW SRM 51-41-02 AND 51-43-04.

Part: ROD END — OUT OF ADJUST (L1 DOOR) · airframe 11,695 hrs · 7,938 cycles

L1 DOOR DIFFICULT TO OPEN AND CLOSE. ADJUSTED L1 DOOR LOWER HOIST BELLCRANK ROD ENDS IAW AMM 52-11-00.

Part: DIAPHRAGM — LEAKING (L1 DOOR ASSIST) · airframe 10,370 hrs · 7,103 cycles

L1 DOOR ASSIST DIAPHRAGM APPEARS TO BE LEAKING. R&R L1 DOOR OPEN ASSIST DIAPHRAGM IAW AMM 52-11-51.

Part: HANDLE — DIRTY (L1 DOOR) · airframe 9,462 hrs · 6,504 cycles

L1 DOOR DIFFICULT TO OPEN FROM OUTSIDE. CLEANED DEBRIS FROM DOOR OUTSIDE HANDLE AND OPS CHECK GOOD IAW AMM 52-11-52.

Part: DOOR — OUT OF ADJUST (CABIN) · airframe 9,180 hrs · 6,323 cycles

MAIN CABIN DOOR IS DIFFICULT TO CLOSE. IT APPEARED TO NOT BE LINING UP CORRECTLY. ADJUSTED MAIN CABIN DOOR CLOSING ACTION IAW AMM 52-11-00-500. L1 DOOR OPS CHECKS OK.

Part: INDICATOR — INOPERATIVE (L1 DOOR) · airframe 6,519 hrs · 4,544 cycles

CREW REPORTED THAT THE L1 DOOR LATCHED INDICATOR WAS INOPERATIVE. REMOVED AND REPLACED POSITION INDICATOR IAW AMM AND OPS CHECKED GOOD.

Part: VALVE — FAULTED (BLEED SYS 1) · airframe 6,344 hrs · 4,437 cycles

THE CREW REPORTED THAT THEY RECEIVED BLEED 1 AND BLEED 2 OVERPRESSURE MESSAGES AFTER TAKEOFF. THE CREW DECLARED AN EMERGENCY AND RETURNED TO THE FIELD. AFTER LANDING, A BLEED 1 FAIL MESSAGE WAS ALSO REPORTED. MAINTENANCE REPLACED THE ENGINE 1 NAPRSOV. OPS CHECKS WERE GOOD WITH NO FURTHER DEFECTS NOTED.

Part: ACTUATOR — INOPERATIVE (DOWNLOCK RELEASE) · airframe 5,477 hrs · 3,830 cycles

CREW REPORTED THAT THE RT MAIN GEAR FAILED TO RETRACT. CREW RAN QRH, DECLARED AN EMERGENCY AND WITH EMERGENCY VEHICLES ROLLING, LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT, R & R RT MLG DOWNLOCK RELASE ACTUATOR AND LANDING GEAR SELECT VALVE, PERFORMED SEVERAL GEAR SWINGS IAW AMM AND OPS CHECKED GOOD. AIRCRAFT IS GOOD FOR SERVICE.

Part: WARNING MESSAGE — ILLUMINATED (BRAKE SYS) · airframe 4,882 hrs · 3,386 cycles

CREW REPORTED LT AND RT BRAKE FAIL AND BRAKE CONTROL FAULT. MAINTENANCE PERFORMED SNL 170-32-0025 AND POWER RESET IAW AMM AND MESSAGES CLEARED. ACFT IS GOOD FOR SERVICE.

Part: SKIN — DENTED (FUSELAGE) · airframe 1,796 hrs · 1,209 cycles

DENT ON AFT OF REAR CARGO. REPAIRED IAW ETD2014-170-069017. ACFT RETURNED TO SERVICE.