N203NN

Part: REGULATOR — FAILED (BLEED SYS) · airframe 28,134 hrs · 18,636 cycles

BLEED 2 FAIL AT ALTITUDE. ENG BLEED SYS - XBLD OPERATIVE - M1 BLEED 1 PRESSURE UNSTABLE IN CRUISE 6-47 PSI AND RATE CHANGES OF -250/200 MSG EVENTUALLY CLEARED VIA QRH PROCEDURE INFO TO MTX. INFO NOTED TO MTX MOC 230070. RAR LH ENGINE NAPRSOV HIGH STAGE BLEED VALVE IAW ERJ 175 AMM 36-11-03. OPC GOOD. MEL RESTORED.

Part: BLEED AIR SYS — FAULTED · airframe 28,134 hrs · 18,636 cycles

BLEED 2 FAIL AT ALTITUDE. MSG EVENTUALLY CLEARED VIA QRH PROCEDURE INFO TO MTX. INFO NOTED TO MTX MOC 230070. PENDING CORRECTIVE ACTION

Part: SEAT TRACK — CORRODED (ZONE 200) · corrosion level 2 · airframe 26,579 hrs · 17,505 cycles

SSI 53-23-005 AFT GALLEY AREA RH SEAT TRACK BEAM CORRODED BTW FR 84-85. (MAJOR REPAIR) (LEVEL 2 CORROSION). REPAIRED AFT GALLEY AREA RH SEAT TRACK BEAM BTW FR 84-85 IAW ERS-EJ-53MR-5187.

Part: FLOOR SUPPORT — CORRODED (ZONE 200) · corrosion level 2 · airframe 26,579 hrs · 17,505 cycles

SSI 53-23-005 AFT GALLEY AREA LH CENTER FLOOR BEAM BETWEEN FR 86-87 CORRODED. (LEVEL 2 CORROSION) (MAJOR REPAIR) COMPLETED INSTALLATION OF SERVICEABLE AFT GALLEY LH CTR FLOOR BEAM BTW FR 86-89 IAW EMB 175 SRM 51-40-08

Part: FLOOR SUPPORT — CORRODED (ZONE 200) · corrosion level 2 · airframe 26,579 hrs · 17,505 cycles

AFT GALLEY AREA LH CTR FLOOR BEAM UPPER SHEET BETWEEN FR 85-86 IS CORRODED. (LEVEL 2 CORROSION) (MAJOR REPAIR) REMOVED AND REPLACED AFT GALLEY AREA LH CENTER FLOOR BEAM SHEET BETWEEN FRAMES 85-86 IAW EMB 175 SRM 51-40-08

Part: FLOOR SUPPORT — CORRODED (ZONE 200) · corrosion level 2 · airframe 26,579 hrs · 17,505 cycles

SSI 53-23-005 AFT GALLEY AREA RH CTR FLOOR BEAM UPPER SHEET BETWEEN FR 85-86 IS CORRODED. (LEVEL 2 CORROSION). REMOVED AND REPLACED AFT GALLEY AREA RH CTR FLOOR BEAM UPPER SHEET BETWEEN FR 85-86 IAW EMB 175 SRM 51-40-08

Part: CROSSBEAM — CORRODED (ZONE 200) · corrosion level 2 · airframe 26,579 hrs · 17,505 cycles

SSI 53-23-005 AFT GALLEY AREA FR 84 CROSSBEAM IS CORRODED BETWEEN THE RH AND LH CTR SEAT TRACK SUPPORTS. (MAJOR REPAIR) (LEVEL 2 CORROSION). REMOVED AND REPLACED AFT GALLEY AREA FR 84 CROSSBEAM IAW EMB 175 SRM 51-40-08.

Part: SHEAR PANEL — CORRODED (ZONE 200) · corrosion level 2 · airframe 26,579 hrs · 17,505 cycles

SSI 53-23-005 AFT GALLEY AREA RH SHEAR PANEL IS CORRODED (LEVEL 2 CORROSION) REMOVED AND REPLACED AFT GALLEY AREA RH SHEAR PANEL IAW EMB 175 SRM 51-40-08

Part: GUSSET — CORRODED (FR 90) · corrosion level 2 · airframe 26,579 hrs · 17,505 cycles

AFT GALLEY AREA RH OUTBD SPLICE AT FR 90 IS CORRODED. (LEVEL 2 CORROSION). REMOVED AND REPLACED AFT GALLEY AREA RH OUTBD SPLICE AT FR90 IAW EMB 175 SRM 51-40-08

Part: SHEAR PANEL — CORRODED (ZONE 200) · airframe 26,579 hrs · 17,505 cycles

SSI 53-23-005 AFT GALLEY AREA RH SHEAR PANEL IS CORRODED. (LEVEL 2 CORROSION) REMOVED AND REPLACED AFT GALLEY AREA RH SHEAR PANEL IAW EMB 175 SRM 51-40-08.

Part: SEAT TRACK — CORRODED (ZONE 200) · corrosion level 2 · airframe 26,579 hrs · 17,505 cycles

SSI 53-10-027 RH CTR FLOOR BEAM HAS CORROSION LOCATED AT INTERSECTION WITH FR17 CROSSBEAM (ON TOP AND LOWER SIDE). (MAJOR REPAIR) (LEVEL 2 CORROSION). PERFORMED PERMANENT REPAIR TO RH CTR FLOOR BEAM AT INTERSECTION WITH FR 17 CROSSBEAM IAW ERS-EJ-53MR-5186.

Part: FLOORBEAM — CORRODED (ZONE 200) · corrosion level 2 · airframe 26,579 hrs · 17,505 cycles

SSI 53-10-027 LH CTR FLOOR BEAM HAS CORROSION LOCATED AROUND SEAT TRACK FWD END. (MAJOR REPAIR) (LEVEL 2 CORROSION). REMOVED AND REPLACED LH CTR FLOOR BEAM BETWEEN FR 12-21 IAW EMB 175 SRM 51-40-08.

Part: FLOOR SUPPORT — CORRODED (ZONE 200) · corrosion level 2 · airframe 26,579 hrs · 17,505 cycles

AFT GALLEY AREA RH CTR FLOOR BEAM BETWEEN FR88-89 IS CORRODED. (LEVEL 2 CORROSION) (MAJOR REPAIR) INSTALLED R/H FLOOR BEAM LOCATED BETWEEN FR86-89 IAW EMB 175 SRM 51-- 40-08

Part: SEAL REST — CORRODED (ZONE 100) · corrosion level 2 · airframe 26,579 hrs · 17,505 cycles

FWD CARGO DOOR CUTOUT LOWER FWD CTR AND AFT SEAL RESTS HAVE CORROSION AROUND THE NUTPLATES (MAJOR REPAIR) (LEVEL 2 CORROSION). REMOVED AND REPLACED FWD CARGO DOOR CUTOUT LOWER FWD, CENTER, AND AFT SEAL RESTS IAW EMB 175 SRM 51-40-08.

Part: BATTERY — INOPERATIVE (ZONE 200) · airframe 26,123 hrs · 17,200 cycles

FWD SERVICE DOOR LOWER EMERGENCY EXIT IDENTIFIER LIGHT INOP. RAR FWD RH EXIT IDENTIFIER LIGHT IAW AMM 33-50-15 AND RAR EMERGENCY LIGHT POWER SUPPLY IAW AMM 33-50-01. OPC GOOD. NO FURTHER DEFECTS NOTED.

Part: SKIN — GOUGED (ZONE 600) · airframe 25,424 hrs · 16,698 cycles

ONETIME PERMANENT REPAIR - ERS-EJ-57MR-1246 OPS PTC DUE - WING LEADING EDGE - RH SKIN RIB 32 TO RIB 37- UNDER RIB 32 - GOUGE - PERMANENT REPAIR. (MAJOR REPAIR). REMOVED AND REPLACED RH WING LEADING EDGE SKIN BETWEEN RIB 32 AND RIB 37 IAW EO EJ-57MR-1246 AND EMB 175 SRM 51-40-08.

Part: NONE — NONE (NONE) · airframe 23,395 hrs · 15,120 cycles

FLAPS OVERSPEED 250KTS FOR 10 SECS. FLAP OVERSPEED INSPECTION COMPLETED IAW ENVOY MTX TASK CARD 05-50-07-200-801. NO DEFECTS NOTED OPS CHK GOOD. AIRCRAFT RETURNED TO SERVICE

Part: NONE — NONE (NONE) · airframe 20,978 hrs · 13,349 cycles

EMERGENCING DECLARED AFTER TAKEOFF SELECTED LG UP RECEIVED LG LEVER DISAG MESSAGE ON EICAS .PERFORMED CHECKLIST BUT NS GEAR REMAINED DOWN.ON THE GROUND RECEIVED LG NO DISPATCH-C/A-REF IT# 2 THIS LOG PG. AFTER REMOVAL OF NLG SAFTY PIN, LANDING GEAR OPS CHECKS GOOD IAW AMM 32-33-00

Part: SPAR — CRACKED (RT WING) · airframe 20,886 hrs · 13,290 cycles

AFTER REMOVAL OF RH WINGTIP, FOUND RH WING OUTBD SPAR 1 TO BE CRACKED (MAJOR REPAIR)-C/A-REMOVED AND REPLACED SERVICEABLE R/ H WING OUTBD SPAR 1 IAW EMB 175 SRM 51-40-- 08, 51-42-02

Part: GUSSET — CORRODED (FR 90) · corrosion level 2 · airframe 20,886 hrs · 13,290 cycles

AFT GALLEY FLOOR STRUCTURE OUTBD SPLICE IS CORRODED AT FR 90 (LEVEL 2 CORROSION)-C/A-REMOVED AND INSTALLED AFT GALLEY FLOOR STRUCTURE OUTBD SPLICE AT FR 90 IAW EMB-175 SRM 51-40?08

Part: FLOORBEAM — CORRODED (FR 89) · corrosion level 2 · airframe 20,886 hrs · 13,290 cycles

AFT GALLEY FLOOR STRUCTURE RIGHT OUTBD PANEL SUPPORT IS CORRODED AT FR 89 (LEVEL 2 CORROSION)-C/A- INSTALLED SERVICEABLE AFT GALLEY RH OUTBD FLOOR PANEL SUPPORT IAW SRM 51-40-08

Part: SHEAR PANEL — CORRODED (FR 87-88) · corrosion level 2 · airframe 20,886 hrs · 13,290 cycles

AFT GALLEY FLOOR STRUCTURE RIGHT SHEAR PANEL BETWEEN FR 87 AND FR 88 IS CORRODED (LEVEL 2 CORROSION). R & R AFT GALLEY FLOOR STRUCTURE RH SHEAR PANEL BETWEEN FR 87-88 IAW EMB-175 SRM 51-40-08.

Part: SHEAR PANEL — CORRODED (AFT GALLEY) · corrosion level 2 · airframe 20,886 hrs · 13,290 cycles

AFT GALLEY FLOOR STRUCTURE CENTER SHEAR PANEL IS CORRODED (LEVEL 2 CORROSION). R & R AFT GALLEY STRUCTURE CENTER SHEAR PANEL IAW EMB-175 SRM 51-40-08.

Part: SHEAR PANEL — CORRODED (AFT GALLEY) · corrosion level 2 · airframe 20,886 hrs · 13,290 cycles

SSI 53-23-005 AFT GALLEY FLOOR STRUCTURE LEFT SHEAR PANEL IS CORRODED (LEVEL 2 CORROSION)-C/A-RAR AFT GALLEY LH SHEAR PANEL IAW EMB-175 SRM 51-40-08.

Part: SEAT TRACK — GOUGED (FRMS 81) · airframe 20,886 hrs · 13,290 cycles

LH FLOOR SEAT TRACK GOUGED AT FR 81 (MAJOR REPAIR) REMOVED DAMAGED SECTION OF LT LOWER FLOOR BEAM AT FR 81 AREA AND FABRICATED AND INSTALLED SPLICE PARTS AND REPLACEMENT BEAM SECTION IAW SRM 53-00-10 REPAIR 01P SECTION 6 AND FIGURE 205 AND ETN-EJ-53-010 R1.

Part: SEAT TRACK — GOUGED (FR 82) · airframe 20,886 hrs · 13,290 cycles

RH FLOOR SEAT TRACK GOUGED JUST FWD OF FR 82 (MAJOR REPAIR)-C/A-REPAIRED RH FLOOR SEAT TRACK GOUGED AREA JUST FWD OF FR 82 (WITH REPAIR AREA BETWEEN FR 80-81) IAW EMB 175 SRM 53-00-10 RE01P, 51-40-08, ETN-EJ-51-010.

Part: RIB — CRACKED (LH WING RIB 36) · airframe 20,886 hrs · 13,290 cycles

LH WING FIXED LEADING EDGE HAS A CRACKED RIB #36, LOCATED BETWEEN SLAT #4 TRACKS. (MAJOR REPAIR)-C/A-ACCOMPLISHED REPAIR OF LH WING FIXED LEADING EDGE RIB 36 IAW ETD# ETD2023-170-001856 REV. B AND ERS-EJ-57MR-1489

Part: STRIP — INOPERATIVE (LH4, LH8, RH10,) · airframe 20,886 hrs · 13,290 cycles

PHOTOILUMINESENT LIGHT INOP INDICATOR STRIPS LH4 LH8 , RH10, AND RH12 CRACKED-C/A-COMPLETE:RAR PHOTOILUMINESENT INDICATOR STRIPS LH4 LH8 , RH10, AND RH12 IAW EMB 175 AMM 33-50-21

Part: NONE — INOPERATIVE (2LH, 3LH, 5RH) · airframe 20,886 hrs · 13,290 cycles

PHOTOLUMINESCENT LIGHT INOP #2LH,#3LH AND #5 RH PHOTO LLUMINECENT FLOOR LIGHTS CRACKED-C/A-COMPLETE:RAR #2LH,#3LH AND #5 RH PHOTO LLUMINECENT FLOOR LIGHTS IAW EMB 175 AMM 33-50-21

Part: NONE — INOPERATIVE (LH1, RH1, RH2, R) · airframe 20,886 hrs · 13,290 cycles

PHOLUMINESCENT LIGHT INOP PHOTOLUMINESENT INDICATOR STRIPE LH1, RH1, RH2, RH3 DISCOLORATION-C/A-COMPLETE:RAR PHOTOLUMINESENT INDICATOR STRIPE LH1, RH1, RH2, RH3 IAW EMB 175 AMM 33-50-21

Part: ENGINE — WARNING MESSAGE (NR 2) · airframe 18,989 hrs · 12,069 cycles

DIVR SAT ENGINE 2 LP VIBE 4.0 UNABLE TO CLEAR VIA QRH. .EMRGENCY DECLARED. FLT CONT -C/A-PERFORMED INSPECTION FOR FOD ALSO PERFORMED INSPECTION FOR STUCK BLADES NO DEFECTS NOTED. DEFERRAL DATA ANAYLSIS TO BE PERFORMED WITHIN 25 FLIGHT CYCLES ALL WORK DONE IAW ETN EJ-72-009.

Part: POWER UNIT — INOPERATIVE (CABIN) · airframe 14,564 hrs · 9,229 cycles

FWD SERVICE DOOR LOWER EMERGENCY LIGHT INOP. REMOVED AND REPLACED NR 1 EMERGENCY LIGHT POWER UNIT FOR THE FWD SERVICE DOOR LOWER EMERGENCY LIGHT IAW AMM 33-50-01. OPS CHK GOOD.

Part: SKIN — GOUGED (RT WING) · airframe 14,564 hrs · 9,229 cycles

RT WING FIXED L/E UPPER SKIN GOUGED, UNDER INBD END OF SLAT NR 4. ACCOMPLISHED TEMPORARY REPAIR TO RT WING FIXED L/E UPPER SKIN GOUGE UNDER INBD END OF SLAT NR 4 IAW ERS-EJ-57MR-1246 PT A.

Part: GLOWSTRIP — RUPTURED (CABIN) · airframe 14,564 hrs · 9,229 cycles

RT NR 1,2 AND 3 PHOTOLUMINESCENT STRIPS APPEAR TO BE RUPTURED AND NO LONGER LIGHT UP (FOUND DURING CONFORMITY). REMOVED AND REPLCED RT NR 1, 2 AND 3 PHOTOLUMINESCENT STRIP IAW AMM 33-50-21. OP CK GOOD. STRIP LIGHT PHOTOLUMINESCENINDICA P/N SG 0004-2128D RT NR 1; P/N SG 9904-1237 RT NR 2.

Part: GLOWSTRIP — RUPTURED (CABIN) · airframe 14,564 hrs · 9,229 cycles

LT NR 1 PHOTOLUMINESCENT STRIP APPEARS TO BE RUPTURED AND NO LONGER LIGHTS UP (FOUND DURING CONFORMITY). REMOVED AND REPLACED LT NR 1 PHOTOLUMINESCENT STRIP IAW AMM 33-50-21. OP CK GOOD.

Part: FLOORBEAM — CORRODED (CABIN) · airframe 13,462 hrs · 8,548 cycles

THIS EO IS BEING ISSUED TO PROVIDE INSTRUCTIONS TO ACCOMPLISH THE ON-CONDITION REPAIR OF CORROSION OR OTHER DAMAGE TO THE CENTER FUSELAGE III AFT CABIN RH FLOOR BEAM P/N 170-65669-004. THE PERMANENT REPAIR WILL BE ACCOMPLISHED BY DIRECT REPLACEMENT OF THE AFFECTED PART IN ACCORDANCE WITH EMBRAER PRODUCTION DRAWINGS LISTED IN TABLE 1, WHICH ARE APPROVED AS PART OF THE TYPE DESIGN, AS WELL AS SRM CHAPTER 51 STANDARD PRACTICES. ACCOMPLISHMENT OF THIS EO HAS BEEN CLASSIFIED A MAJOR REPAIR BECAUSE THE FLOOR BEAM IS PSE AND THE EO IS RESTORING STRENGTH. SINCE THE DAMAGED STRUCTURE IS BEING REPLACED WITH A NEW PART PER THE PRODUCTION DRAWINGS, THE AIRCRAFT STRUCTURE REMAINS IN ITS ORIGINAL CONFIGURATION. THEREFORE, SUPPLEMENTAL FOLLOW UP INSPECTIONS ARE NOT REQUIRED. UPON COMPLETION OF THIS EO, AN SDR IS REQUIRED TO BE SUBMITTED.

Part: STRINGER — MISLOCATED · airframe 13,462 hrs · 8,548 cycles

DURING ACCOMPLISHMENT OF THE ISP MODIFICATION AT EAMS, DAMAGE WAS INCURRED ON THE CENTER FUSELAGE II STRINGERS 15L, 16L, AND 17L (P/N 170-12505-405, P/N 170-12505-405, P/N 170-12506-405) WHEN THE WRONG LOCATIONS WERE DRILLED. REFERENCE FIGURES 1-3 FOR DETAILS AND LOCATIONS. EAMS REQUESTED REPAIR DISPOSITION FROM RTS, WHO INSTEAD RECOMMENDED AN SRM SPLICE REPAIR BE ACCOMPLISHED. THIS EO IS BEING ISSUED TO PROVIDE INSTRUCTIONS TO ACCOMPLISH A PERMANENT REPAIR OF DAMAGE TO THE STRINGERS 15L, 16L, AND 17L BY SPLICING IN NEW SECTIONS OF THE STRINGERS PER SRM PART II 53-22-03/REPAIR 04. ACCOMPLISHMENT OF THIS EO HAS BEEN CLASSIFIED AS A MAJOR REPAIR BECAUSE THE STRINGERS 15L, 16L, AND 17L ARE PSE AND THIS EO RESTORES STRENGTH. SUPPLEMENTAL FOLLOW-ON INSPECTIONS ARE NOT REQUIRED PER SRM PART II 53-22-03/REPAIR 04. EO E175-53MR-465 IS BEING ACCOMPLISHED BY WO 2781744

Part: STRINGER — MISLOCATED · airframe 13,462 hrs · 8,548 cycles

DURING ACCOMPLISHMENT OF THE ISP MODIFICATION AT EAMS, DAMAGE WAS INCURRED ON THE CENTER FUSELAGE II STRINGERS 15L, 16L, AND 17L (P/N 170-12505-405, P/N 170-12505-405, P/N 170-12506-405) WHEN THE WRONG LOCATIONS WERE DRILLED. REFERENCE FIGURES 1-3 FOR DETAILS AND LOCATIONS. EAMS REQUESTED REPAIR DISPOSITION FROM RTS, WHO INSTEAD RECOMMENDED AN SRM SPLICE REPAIR BE ACCOMPLISHED. THIS EO IS BEING ISSUED TO PROVIDE INSTRUCTIONS TO ACCOMPLISH A PERMANENT REPAIR OF DAMAGE TO THE STRINGERS 15L, 16L, AND 17L BY SPLICING IN NEW SECTIONS OF THE STRINGERS PER SRM PART II 53-22-03/REPAIR 04. ACCOMPLISHMENT OF THIS EO HAS BEEN CLASSIFIED AS A MAJOR REPAIR BECAUSE THE STRINGERS 15L, 16L, AND 17L ARE PSE AND THIS EO RESTORES STRENGTH. SUPPLEMENTAL FOLLOW-ON INSPECTIONS ARE NOT REQUIRED PER SRM PART II 53-22-03/REPAIR 04. EO E175-53MR-465 IS BEING ACCOMPLISHED BY WO 2781744

Part: STRINGER — MISLOCATED · airframe 13,462 hrs · 8,548 cycles

DURING ACCOMPLISHMENT OF THE ISP MODIFICATION AT EAMS, DAMAGE WAS INCURRED ON THE CENTER FUSELAGE II STRINGERS 15L, 16L, AND 17L (P/N 170-12505-405, P/N 170-12505-405, P/N 170-12506-405) WHEN THE WRONG LOCATIONS WERE DRILLED. REFERENCE FIGURES 1-3 FOR DETAILS AND LOCATIONS. EAMS REQUESTED REPAIR DISPOSITION FROM RTS, WHO INSTEAD RECOMMENDED AN SRM SPLICE REPAIR BE ACCOMPLISHED. THIS EO IS BEING ISSUED TO PROVIDE INSTRUCTIONS TO ACCOMPLISH A PERMANENT REPAIR OF DAMAGE TO THE STRINGERS 15L, 16L, AND 17L BY SPLICING IN NEW SECTIONS OF THE STRINGERS PER SRM PART II 53-22-03/REPAIR 04. ACCOMPLISHMENT OF THIS EO HAS BEEN CLASSIFIED AS A MAJOR REPAIR BECAUSE THE STRINGERS 15L, 16L, AND 17L ARE PSE AND THIS EO RESTORES STRENGTH. SUPPLEMENTAL FOLLOW-ON INSPECTIONS ARE NOT REQUIRED PER SRM PART II 53-22-03/REPAIR 04. EO E175-53MR-465 IS BEING ACCOMPLISHED BY WO 2781744

Part: FINGER DOUBLER — CORRODED (FRAMES 77-79) · corrosion level 2 · airframe 13,462 hrs · 8,548 cycles

DURING BASIC CHECK AT EAMS, CORROSION DAMAGE WAS FOUND TO THE CENTER FUSELAGE III CARGO DOOR SURROUND LOWER FINGER PLATE. REFERENCE ETD2019-170-152677 FIGURE 1 FOR DETAILS, FOR THE DAMAGE LOCATIONS AND DIMENSION. THE DAMAGE IS IN A NO DAMAGE ALLOWED AREA OF SRM PART II 53-23-11/AD04. EAMS REQUESTED AND RECEIVED PERMANENT REPAIR DISPOSITION IN THE FORM OF ETD2019-170-152677, WHICH ALLOW THE AREAS TO BE BLENDED PROVIDED NDT INSPECTION VERIFIES DAMAGE REMOVAL AND SURFACE PROTECTION IS RESTORED. COMPASS ENGINEERING HAS CLASSIFIED THIS AS A MINOR REPAIR. DAMAGE LOCATION ZONE=100,FRAME=795",BODY LINE=15",WATER LINE=-61"

Part: SHUTOFF VALVE — FAILED (BLEED AIR SYS) · airframe 12,632 hrs · 8,048 cycles

BLEED 2 OVERPRESS FOLLOWED BY BLEED 2 FAIL. DEACTIVATED RT NAPRSOV IAW AMM 36-11-03. PARTS ON ORDER. THIS WO REMAINS OPEN FOR FURTHER T/S. REMOVED NACELLE PRESSURE REGULATING SHUTOFF VALVE IAW AMM 36-11-03-000-801-A . THIS WO REMAINS OPEN A/C OK FOR SVC. REMOVED & REPLACED NPRSOV IAW AMM 36-11-03. PENDING OPS CHK. THIS DM2688729 REMAINS OPEN. OK FOR SVC. PERFORMED OPS CHK OF NPRSOV IAW AMM 36-11-03 OPS CHK GOOD NO MESSAGES ON EICAS A/C OK FOR SVC.

Part: DOUBLER — GOUGED (ZONE 200) · airframe 7,103 hrs · 4,457 cycles

GOUGE DAMAGE ON THE CO-PILOT’S SIDE CUTOUT IN THE FORWARD UPPER SKIN WINDSHIELD WIPER DOUBLER, BLENDED IAW ETD2016-170-069750-A, FIGURE 4. T

Part: WARNING SYSTEM — FALSE ACTIVATION (COCKPIT) · airframe 3,930 hrs · 2,422 cycles

FLIGHT DIVERTED DUE TO A FWD LAV SMOKE EICAS MESSAGE. THE CABIN CREW CHECKED THE LAV AND CABIN AND NO INDICATION OF SMOKE/FIRE WAS FOUND. THE MESSAGE WENT OUT WHILE STILL IN FLIGHT. THE FLIGHT LANDED. MAINTENANCE PERFORMED FWD LAV SMOKE DETECTOR OPS TEST IAW AMM. OPS TEST GOOD. OK FOR SERVICE.

Part: MODULE — MALFUNCTIONED · airframe 3,506 hrs · 2,141 cycles

AT 1000 FT, CREW WAS ALERTED VIA EICAS OF A, AVNX MAU 3B FAIL, SPOILER FAULT, FDR AFT FAIL, AND DATALINK 1 FAIL. CREW RAN THE QRH PROCEDURES FOR BOTH THE AVNX MAU 3B FAIL AND THE SPOILER FAULT MESSAGES BUT WERE UNABLE TO CLEAR THE MESSAGES. ATC WAS ALERTED. CREW NOTED THAT THEY WERE ABOVE THE MAXIMUM LANDING WEIGHT BY APPROXIMATELY 2500 LBS. THE FLIGHT CREW BURNED FUEL DOWN TO LANDING WEIGHT BEFORE APPROACH. CREW DESCENDED TO 7,000 FT AND ENTERED A HOLD. CREW PERFORMED AN AIR RETURN AND DECLARED AN EMERGENCY DUE TO THE DEGRADED STOPPING CAPABILITY OF THE ACFT AND THE LOSS OF THE SPOILER INDICATION. AVNX MAU 3B FAIL AND SPOILER FAULT EICAS MSGS FOLLOWED FIM 45-45-00-810-944A. PERFORMED MAU 3 NIC2 RESET TEST. TRANSITORY CONDITION OF NIC PROC MODULE, OK FOR SERVICE.

Part: POWER UNIT — INOPERATIVE (CABIN) · airframe 903 hrs · 437 cycles

COCKPIT EMER CEILING LIGHT & FWD CABIN EMER CEILING LIGHT INOPERATIVE. R & R EMER LIGHT POWER PACK IAW AMM 33-50-01. OPERATIONS CHECKED GOOD. ACFT OK FOR SERVICE.