N397AZ

Part: PSEU — FAULTED (ZONE 800) · airframe 129,571 hrs · 24,019 cycles

RETURN TO BLOCK DUE TO EMERGENCY DOORS ANNUNCIATOR LIGHT FLASHING ON OVERHEAD PANEL WITH NO ASSOCIATED EICAS. PLACED ON DEFERRAL 68409 MINIMUM EQUIPMENT LIST ATI-52-71-01-01 CATEGORY C. DUE 12 DECEMBER 2025. SUPPLEMENTAL TO PREVIOUS REPORT IXXA20251202080 DATED 12/02/2025 AT KILN. REMOVED AND REPLACED PROXIMITY SENSOR ELECTRONICS UNIT IN ACCORDANCE WITH AIRCRAFT MAINTENANCE MANUAL 32-09-04. OPERATIONAL CHECK GOOD. DEFERRAL 68409 CLEARED.

Part: PROXIMITY SENSOR — INOPERATIVE (ZONE 800) · airframe 129,043 hrs · 23,809 cycles

EMERGENCY DOOR ANNUNCIATOR LIGHT FLICKERS. MAINTENANCE PLACED ON DEFERRAL 65652 MINIMUM EQUIPMENT LIST 52-71-01-01 CATEGORY C. DUE 07 SEPTEMBER 2025. IN ACCORDANCE WITH B767 FIM 52-71 FAULT TREE 816 AND B767 WDM 52-71-12 BITE PROCEDURE FOR PROXIMITY SENSOR ELECTRONIC UNIT AND FAULTED CODE 005,007, AND 219. INSPECTED AND CLEANED SENSOR S219. FAULT CLEARED. REMOVED AND REPLACED DEACTIVATION CHOKE S9013 ON TB101F (A191-C191) IAW B767 SWPM 20-90-15 AND IAI SUPPLEMENTAL WDM 52-71-12. OPERATIONAL CHECK GOOD. DEFERRAL 65652 CLEARED.

Part: WEB — CORRODED (ZONE 100) · corrosion level 2 · airframe 127,389 hrs · 23,101 cycles

FLC FLOOR CORROSION FOUND UPPER SURFACE OF GUIDE RAIL MOUNT STRUCTURE @ STATION 632, RBL 42

Part: ANGLE — CORRODED (ZONE 200) · airframe 127,389 hrs · 23,101 cycles

FLC FLOOR CORROSION FOUND DOOR THRESHOLD WEB AND J-CHORD @ STA 498 RBL 36-40

Part: WEB — CORRODED (ZONE 200) · airframe 127,389 hrs · 23,101 cycles

FLC FLOOR CORROSION FOUND DOOR THRESHOLD UNDERSIDE OF FLOOR WEB UNDER PDU 5R @ STA 520 RBL 36.

Part: BRACKET — CORRODED (ZONE 200) · airframe 127,389 hrs · 23,101 cycles

FLC FLOOR CORROSION FOUND ON FLOOR WEB UNDERSIDE BRACKET @ STA 478 RBL 44.

Part: GUIDE TRACK — CRACKED (ZONE 100) · airframe 127,389 hrs · 23,101 cycles

ALC L/H GUIDE RAIL CRACKED AND DAMAGED IN ALC STA 1347 LBL 44.

Part: ANGLE — CORRODED (ZONE 100) · airframe 127,389 hrs · 23,101 cycles

CORROSION ON THE UPPER AND LOWER SURFACES OF THE UPPER CAP/ ANGLE, FOR THE WEB/ PANELS SUPPORT, AT STR.33L, AT THE LOWER SILL AREA OF THE BULK CARGO DOOR CUTOUT, STA.1423.

Part: CHANNEL — CRACKED (ZONE 400) · airframe 127,389 hrs · 23,101 cycles

#1 PYLON STA 410 O/B FWD UPPER CHANNEL CRACKED

Part: STIFFENER — CORRODED (ZONE 100) · airframe 127,389 hrs · 23,101 cycles

FLC CORROSION FOUND ON UNDERSIDE OF STIFFENER AT THE CARGO DOOR THRESHOLD @ STA 562 RBL 44.

Part: STRAP — CORRODED (ZONE 100) · airframe 127,389 hrs · 23,101 cycles

FLC FLOOR CORROSION FOUND DOOR THRESHOLD UNDERSIDE OF LONGITUDINAL STRAP @ STA 604 RBL 44.

Part: CHANNEL — CRACKED (ZONE 400) · airframe 127,389 hrs · 23,101 cycles

#1 PYLON STA 410 RH FRAME ANGLE LWR END CRACKED

Part: GUIDE TRACK — CRACKED · airframe 127,389 hrs · 23,101 cycles

ALC L/H GUIDE RAIL CRACKED AND DAMAGED IN ALC STA 1265 LBL 44

Part: BEAR STRAP — CORRODED (ZONE 100) · airframe 127,389 hrs · 23,101 cycles

FLC FLOOR CORROSION FOUND AT DOOR THRESHOLD UNDERSIDE OF LONGITUDINAL BEAR STRAP AT BOLTHOLE OF THE MOST AFT CARGO LOCK @ STA 590 RBL 46.

Part: INTERCOSTAL — CORRODED (ZONE 200) · airframe 127,389 hrs · 23,101 cycles

FLC CORROSION FOUND ON UNDERSIDE OF STRUCTURE @ STA 610 RBL 42

Part: ELECTRONIC UNIT — FAULTED (EMERGENCY EXIT) · airframe 126,222 hrs · 22,627 cycles

DURING SCHEDULED MAINTENANCE, EMERGENCY DOOR INDICATOR ILLUMINATED & EICAS MESSAGE DISPLAYED. DOOR VERIFIED CLOSED AND LATCHED SECURELY. PROXIMITY SWITCH ELECTRONIC UNIT (PSEU) BITE CHECK FLAGGED S192 SENSOR LIGHT. FOLLOWING TROUBLESHOOTING IAW WDM 52-71-12, LINE MAINTENANCE REPORTED, WIRE SHIELDING NEAR THE SPLICES DAMAGED. WIRING RESPLICED. EMERGENCY DOOR LIGHT & EICAS MESSAGE CLEARED, THE SENSOR LIGHT ON THE PSEU REMAINED. IAW FIM 32-09-FAULT TREE 803, R & R PROXIMITY SENSOR SWITCH S192 IAW AMM 52-71-01. NO FIX. IAW WIRING DIAGRAM MANUAL 52-71-12 & FIM 32-09-FAULT TREE 805, R & R PSEU. OPS CHECKED GOOD.

Part: SWITCH — FAULTED (DOOR WARNING) · airframe 126,217 hrs · 22,625 cycles

DURING CRUISE LEFT FORWARD EMERGENCY DOOR EICAS MESSAGE ILLUMINATED AND REMAINED ON FOR DURATION OF FLIGHT. POST FLIGHT, LINE MAINTENANCE REPORTED PSEU BITE CHECK GOOD PER B767 FAULT ISOLATION MANUAL 32-09-00/101. NO FAULTS FOUND. FOR ADDITIONAL TROUBLESHOOTING, FAULT TRANSFERRED TO DEFERRAL MAINTENANCE ITEM 49812 PER ATI B767 MINIMUM EQUIPMENT LIST 52-71-01-01. LEFT FORWARD EMERGENCY DOOR VERIFIED CLOSED, LATCHED AND LOCKED. AIRCRAFT RESUMED SERVICE. DOWNLINE, LEFT EMERGENCY DOOR WARNING SWITCH REMOVED AND REPLACED IAW B767 AMM 52-71-00. OPERATIONAL TEST SATISFACTORY. DEFERRAL MAINTENANCE ITEM 49182 CLEARED.

Part: UNKNOWN — UNKNOWN (UNKNOWN) · airframe 125,349 hrs · 22,316 cycles

ENROUTE TO KPDX CREW REPORTED, DURING CLIMBOUT AT 15000' AND 290 KNOTS WITH LNAV, VNAV AND CENTER CMD SELECTED, EICAS MSG AUTOBRAKES, AUTO SPEEDBRAKE, AND RUDDER RATIO DISPLAYED. STATUS MSGS FLAP/SLAT ELEC AND FLT DATA ACQ DISPLAYED. NO AUTOPILOTS, NO AUTOTHROTTLES, LEFT AND CENTER FLIGHT DISPLAY INOPERATIVE. MANUAL PITCH TRIM REQUIRED. AIR TURN BACK TO KILN WITH AN EMERGENCY DECLARATION. LANDING WAS WITHOUT INCIDENT AND NO ADDITIONAL PRECAUTIONARY ACTIONS. ON ARRIVAL, AIRCRAFT WAS GROUNDED FOR UNSCHEDULED MAINTENANCE. DURING INSPECTION, LINE MAINTENANCE IDENTIFIED “LEFT DC BUS SECT 2” CB ON P6 PANEL TRIPPED. RESET BREAKER IAW SWPM 20-00-10 AND WDM 24-54-11. MAINTENANCE CONTROL DISPLAY PANEL TESTS 2, 10, 30, 40 AND 66 PER B767 AMM 22-00-02 SATISFACTORY. NO CURRENT FAULTS NOTED. WITH LEFT AND RIGHT ENGINES ENGAGED IAW B767 AMM 71-00-00, FLIGHT CONTROL CHECKS AND STALL WARNING TEST PER B767 AMM 27-00-00 AND 27-32-00 SATISFACTORY. AUTOPILOT/FLIGHT DIRECTOR SYSTEM OPERATIONAL TEST IAW B767 AMM 22-10-00 GOOD. FLAPS/SLATS FULL TRAVEL IAW B767 AMM 27-58-00 AND 27-81-00 GOOD. AUTOSPEED BRAKE TEST PER B767 AMM 27-61-00 GOOD. ALL FLIGHT CONTROL SYSTEM OPERATIONAL CHECKS SATISFACTORY AND NO FAULTS FOUND. BREAKER C883 DC BUS L SECT 2 DID NOT TRIP DURING SYSTEM TESTS. ADDITIONAL TROUBLESHOOTING IDENTIFIED HEAT DAMAGE TO TERMINAL HARDWARE ON BACK OF CIRCUIT BREAKER. IAW B767 SWPM 20-30-11 AND WDM 24-34-11 REMOVED AND REPLACED TERMINAL LUG AND CIRCUIT BREAKER. NO ADDITIONAL FAULTS NOTED AT THIS TIME.

Part: FITTING — CRACKED (ZONE 600) · airframe 124,072 hrs · 21,801 cycles

CRACKED RW LE FITTING

Part: BRACKET — CORRODED (ZONE 100) · corrosion level 2 · airframe 124,072 hrs · 21,801 cycles

FLC CORRODED BRACKET.

Part: SKIN PANEL — DELAMINATED (ZONE 300) · airframe 124,072 hrs · 21,801 cycles

RH VERTICAL SKIN PANEL IS DELAMINATED.

Part: SKIN — CRACKED (ZONE 800) · airframe 124,072 hrs · 21,801 cycles

CRACK IN L1 DOOR CUTOUT SKIN

Part: NOSE COWL — CORRODED (ZONE 400) · corrosion level 2 · airframe 124,072 hrs · 21,801 cycles

#1 INLET COWL CORRODED ON INNER BARREL.

Part: SKIN — CRACKED · airframe 124,072 hrs · 21,801 cycles

SERVICE DOOR R1 CUTOUT LOWER CORNER FASTENER HOLE CRACK INDICATION

Part: SKIN — CRACKED (ZONE 200) · airframe 124,072 hrs · 21,801 cycles

FWD ENTRY DOOR CUTOUT LWR AFT CORNER EXTERNAL SKIN CRACKED AT 3RD FASTENER

Part: PANEL — DELAMINATED (ZONE 600) · airframe 124,072 hrs · 21,801 cycles

RW UPPER SURFACE ATTACHED COMPOSITE PANEL DELAMINATED.

Part: A/C PACK — CONTAMINATED · airframe 121,723 hrs · 20,960 cycles

AFTER TOUCH DOWN IN KRFD CREW EXPERIENCED ODOR AND SMOKE IN COCKPIT. THE ASKED TOWER IF THEY SEE ANY THING ABNORMAL. THEY REPORTED CLEAR. THEY MENTIONED TO TOWER THEY HAD SMOKE IN THE COCKPIT TOWER REPLIED THAT DEICE FLUID WAS JUST LAID DOWN BEFORE THE LANDING. CREW DETERMINED THAT HE ODOR AND SMOKE WAS CAUSED BY THE DEICE FLUID BEING INDUCTED INTO THE PACK SYSTEM. SUBMISSION IS LATE BECAUSE CREW DID NOT MAKE ENTRY IN AIRCRAFT LOG INSTEAD SUBMITTED VIA SAFETY REPORT.