N443YX

Part: SKIN — DENTED (ZONE 100) · airframe 18,649 hrs · 12,702 cycles

RH FWD FUSELAGE DAMAGED BELOW RH LOWER SMART PROBE. REPAIRED DAMAGE IAW EMB ETD2022-170-021284. ALSO REF VP-025972-2022 N/R 1,9,10,11,22,23 FOR REPAIR.

Part: SKIN — NONE · airframe 16,827 hrs · 11,416 cycles

TOOLING DAMAGE - LH HORIZONTAL STAB UPPER SKIN AT FWD SPAR AND RIB 11A.

Part: STRINGER — CORRODED · corrosion level 2 · airframe 16,827 hrs · 11,416 cycles

AT FS 88-89 STGR 20L CORROSION NOTED AROUND TWO FASTENERS (MARKED) ON STRINGER SURFACE BELOW AFT CABIN FLOORBOARD 251KLF. PERFORMED STRINGER SPLICE REPAIR FR 88/-89 AND FR 86/87 STGR 23L REF ETD2021-170-031209 REV A

Part: ARMING LEVER — STICKING (ZONE 800) · airframe 16,409 hrs · 11,116 cycles

L1 DOOR MAIN ARMING HANDLE CATCHING ON SOMETHING, DIFFICULT TO OPEN. R&R UPPER FWD AND AFT SEAL COVERS IAW AMM 52-11-21. L1 DOOR OPS CHECK GOOD.

Part: BATTERY PACK — INOPERATIVE (EMERGENCY LIGHTS) · airframe 13,655 hrs · 9,266 cycles

R1 DOOR EMERGENCY EXIT INDICATOR LIGHT INOP. R&R EMERGENCY LIGHT BATTERY #1 IAW AMM 33-50-01.

Part: CONTROL VALVE — FAILED (ZONE 500) · airframe 12,799 hrs · 8,693 cycles

FCV 1 WOULD NOT OPEN IN FLIGHT. DECLARED EMERGENCY, RETURNED TO FIELD, LANDED WITHOUT INCIDENT. R&R PACK FLOW CONTROL VALVE IAW AMM 21-51-01. NO DEFECTS NOTED.

Part: DIAPHRAGM — LEAKING (R1 DOOR) · airframe 11,434 hrs · 7,786 cycles

*** WHILE AIRCRAFT WAS IN FOR HEAVY CHECK *** MAINTENANCE REPORTED A SLOW LEAK ON THE R-1 DOOR PNEUMATIC EMERGENCY SYSTEM. MAINTENANCE REMOVED AND REPLACED THE PNEUMATIC EMERGENCY SYSTEM DOOR DIAPHRAGM ASSEMBLY ON THE R-1 DOOR IAW AMM 52-41-53. AIRCRAFT IS CURRENTLY STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: SHEAR PANEL — CORRODED (FRAMES 87-88) · corrosion level 2 · airframe 11,434 hrs · 7,786 cycles

WHILE AC WAS IN FOR HEAVY CHECK, FOUND CENTER FUSELAGE NR 3 PASSENGER CABIN FLOOR STRUCTURE CORRODED. FOUND AT THE RT SHEAR PANEL BETWEEN FRAMES 87 - 88, RBL 12 - RBL 24. MX REMOVED AND REPLACED THE RT SHEAR PANEL IAW SRM 51-42-01, 51-42-02.

Part: PANEL SUPPORT — CRACKED (FUSELAGE) · airframe 11,434 hrs · 7,786 cycles

*** WHILE AIRCRAFT WAS IN FOR HEAVY CHECK *** MAINTENANCE REPORTED A CRACK ON PANEL SUPPORT AT FRAME 86 RBL 24" AREA (CENTER FUSELAGE III PASSENGER CABIN FLOOR STRUCTURE) MAINTENANCE REMOVED AND REPLACED THE PANEL SUPPORT AT FRAME 86 RBL 24" AREA (CENTER FUSELAGE III PASSENGER CABIN FLOOR STRUCTURE) IAW SRM 51-41-01. AIRCRAFT IS CURRENTLY STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: FLOOR SUPPORT — CORRODED (FRAME 87) · corrosion level 2 · airframe 11,434 hrs · 7,786 cycles

WHILE AC WAS IN FOR HEAVY CHECK FOUND CENTER FUSELAGE 3 PASSENGER CABIN FLOOR STRUCTURE CORROSION FOUND AT LONGITIDINAL BEAM FR 87 LBL 12" AREA. AAR MX CUT OUT DAMAGED MATERIAL AND INSTALLED DOUBLER IAW SRM 53-23-10 REPAIR 01 FIGURE 203.

Part: GUSSET — CORRODED (FRAME 89) · corrosion level 2 · airframe 11,434 hrs · 7,786 cycles

WHILE AC WAS IN FOR HEAVY CHECK FOUND CENTER FUSELAGE 3 PASSENGER CABIN FLOOR STRUCTURE, CORROSION FOUND AT GUSSET PLATE FR 89 RBL 12" AREA. AAR MX REMOVED AND REPLACED PN 170-86125-001 GUSSET PLATE FR 89 RBL 12" AREA IAW SRM 51-43-03. AC REMAINS IN YRQ FOR COMPLETION.

Part: PANEL SUPPORT — CRACKED (FUSELAGE) · airframe 11,434 hrs · 7,786 cycles

*** WHILE AIRCRAFT WAS IN FOR HEAVY CHECK *** MAINTENANCE REPORTED A CRACK FOUND AT PANEL SUPPORT ON FRAME 86 LBL 24" AREA (ON CENTER FUSELAGE III PASSENGER CABIN FLOOR STRUCTURE). MAINTENANCE REMOVED AND REPLACED THE PANEL SUPPORT ON FRAME 86 LBL 24" AREA (ON CENTER FUSELAGE III PASSENGER CABIN FLOOR STRUCTURE)IAW SRM 51-41-01. AIRCRAFT IS CURRENTLY STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: FLOORBEAM — CORRODED (FRAME 87) · corrosion level 2 · airframe 11,434 hrs · 7,786 cycles

WHILE AC WAS IN FOR HEAVY CHECK FOUND CENTER FUSELAGE 3 PASSENGER CABIN FLOOR STRUCTURE CORROSION FOUND AT LONGITIDINAL BEAM FR 87 AND RBL 12" AREA. AAR MX REMOVED AND REPLACED PN 170-65669-004 LONGITIDINAL BEAM FR 87 AND RBL 12" AREA IAW SRM 51-41-01, 51-42-03, 51-43-03.

Part: OXYGEN MASK — FAULTY (COCKPIT) · airframe 11,434 hrs · 7,786 cycles

*** WHILE AIRCRAFT WAS IN FOR HEAVY CHECK *** MAINTENANCE REPORTED THE OBSERVERS OXYGEN MASK HARNESS INFLATION OPERATES ON AND OFF WHEN THE REGULATOR IS SELECTED IN EMERGENCY POSITION. MAINTENANCE REMOVED AND REPLACED THE OBSERVERS OXYGEN MASK IAW AMM 35-10-10. AIRCRAFT IS CURRENTLY STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: TIP CAP — CRACKED (LT WING) · airframe 11,434 hrs · 7,786 cycles

*** WHILE AIRCRAFT WAS IN FOR HEAVY CHECK *** MAINTENANCE REPORTED A CRACK ON THE FRONT SPAR LOWER SECTION OF THE LT WINGTIP. MAINTENANCE REMOVED & REPLACED THE LT WINGTIP ASSY IAW AMM 57-30-00 & 57-30-25 AIRCRAFT IS CURRENTLY STILL IN HEAVY CHECK.

Part: TIP CAP — CRACKED (RT WING) · airframe 11,434 hrs · 7,786 cycles

*** WHILE AIRCRAFT WAS IN FOR HEAVY CHECK *** MAINTENANCE REPORTED A CRACK ON THE FRONT SPAR LOWER AND UPPER SECTION OF THE RT WINGTIP. (CRACK LENGTH: LOWER AREA: 2.3" UPPER AREA: 0.5") MAINTENANCE REMOVED & REPLACED THE RT WINGTIP ASSY IAW AMM 57-30-00 & 57-30-25 AIRCRAFT IS CURRENTLY STILL IN FOR HEAVY CHECK COMPLETION.

Part: SIGN — BROKEN (EMERGENCY LIGHTS) · airframe 10,490 hrs · 7,175 cycles

R2 DOOR IDENTIFIER SIGN BROKEN. R&R DOOR IDENTIFIER SIGN PER AMM 33-50-15.

Part: BATTERY — INOPERATIVE (EMERGENCY LIGHT) · airframe 10,490 hrs · 7,175 cycles

L2 DOOR IDENTIFIER SIGN INOP. R&R EMERGENCY BATTERY 3 PER AMM 33-50-01.

Part: FLASHLIGHT — INOPERATIVE (AFT CABIN) · airframe 3,025 hrs · 2,245 cycles

MAINTENANCE REPORTED THAT THE AFT F/A FLASHLIGHT WAS INOPERATIVE. MAINTENANCE R & R AFT F/A FLASHLIGHT IAW AMM AND OPS CHECKED GOOD.

Part: SLIDE — PARTIAL DEPLOY (L1 DOOR) · airframe 2,659 hrs · 1,998 cycles

CREW REPORTED THAT THE L1 DOOR SLIDE PARTIALLY DEPLOYED. MAINTENANCE FOUND THE GIRT BAR ATTACHED TO THE FLOOR AND THE SLIDE FALLING OUT OF THE BAG WITH THE LACES PULLED. MAINTENANCE R & R L1 DOOR SLIDE IAW AMM AND OPS CHECKED GOOD.

Part: SMOKE DETECTOR — FALSE ACTIVATION (LAVATORY) · airframe 2,108 hrs · 1,585 cycles

CREW REPORTED THAT THE LAV SMOKE DETECTOR WENT OFF. CREW CONFIRMED PAX SET IT OFF WITH AN E-CIG. AN EMERGENCY WAS NOT DECLARED AND CREW LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED ACFT IAW AMM AND NO SMOKE WAS FOUND. ACFT IS GOOD FOR SERVICE.