N135HQ

Part: SKIN — CRACKED (ZONE 500) · airframe 40,309 hrs · 30,705 cycles

ON OVERNIGHT INSPECTION FOUND LH WING LOWER SKIN CRACKED INBD OF RIB 17 AFT OF FWD SPAR APROX 2 IN LONG. REPAIRED CRACK IAW ETD2024-170-025696 REV A. ALSO REF VP-036497-2024 N/R # 3 FOR WORK ACCOMPLISHED.

Part: DOUBLER — BURNED (ZONE 200) · airframe 37,705 hrs · 28,828 cycles

DURING HEAVY CHECK VISIT MAINT FOUND BEHIND LH COCKPIT CB PANEL FRAME 10 BETWEEN STRINGER 12L AND 13L HAS BURN HOLE FROM BREAKER. PERFORMED A PERMANENT DOUBLER REPAIR ON FR 10 BETWEEN STRG 12L-13L BEHIND LH COCKPIT CB PANEL. REF ETD2023-170-017966

Part: BEAM — CORRODED (ZONE 100) · corrosion level 2 · airframe 37,705 hrs · 28,828 cycles

DURING HEAVY CHECK VISIT MAINT FOUND FWD CARGO DOOR CUTOUT HORIZONTAL BEAM EDGE HAS CORROSION ABOVE 2ND FROM FOWARD C LATCH FITTING AT FR 25. REMOVED AND REPLACED FWD CARGO DOOR CUTOUT LOWER BEAM REF EMB SRM 51-40-08. ACFT REMAINS IN HEAVY CHECK UNTIL COMPLETION.

Part: SHEAR ANGLE — CORRODED (ZONE 100) · corrosion level 2 · airframe 37,705 hrs · 28,828 cycles

DURING HEAVY CHECK VISIT MAINT FOUND A L/H SHEAR CLIP CORRODED AT FRAME 22 STGR 28L-28R. REMOVED AND REPLACED SHEAR CLIP PER SRM 51-40-08.

Part: SKIN — CRACKED (ZONE 600) · airframe 35,835 hrs · 27,557 cycles

RH WING UPPER SKIN HAS 3 CRACKS OUTBD OF RIB 10, INBD OF # 3 SPOILER INBD HINGE AND AFT OF REAR SPAR FASTNER LINE ON TOP OF WING. REPAIRED IAW ETD2022-170-029017. ALSO REF VP-040130-2022 N/R 1&4 AND LP R1018658/1 & 3 FOR WORK PERFORMED.

Part: BATTERY — INOPERATIVE (EMERGENCY LIGHTS) · airframe 30,266 hrs · 23,463 cycles

1ST AND 3RD FORWARD CEILING EMERGENCY LIGHTS WILL NOT ILLUMINATE WHEN EMER LT SET TO ON. R&R #2 ELPU IAW AMM 33-50-01, OPS CHECK GOOD.

Part: FAN — ODOR (CABIN) · airframe 27,912 hrs · 21,832 cycles

BURNING METAL SMELL FROM CENTER OF AIRCRAFT. ONCE RECIRC FANS TURNED OFF, SMELL BEGAN TO DISSIPATE. NO EICAS MESSAGES DURING EVENT, SMELL SUDDENLY CAME TO THE ATTENTION OF BOTH FLIGHT ATTENDANTS AND THEN PASSENGERS. DECLARED EMERGENCY, DIVERTED TO LGA, LANDED WITHOUT INCIDENT. R&R RT RECIRC FAN IAW AMM 21-24-01.

Part: POWER SUPPLY — INOPERATIVE (EMERGENCY LIGHTS) · airframe 27,735 hrs · 21,710 cycles

FORWARD 3 EMERGENCY LIGHTS NOT WORKING, BUT NO EICAS MESSAGE. CA FOUND LIGHTS ON WHEN HE BOARDED THE AIRCRAFT. CA IS REPOWERING VIA APU. R&R #2 EMERGENCY BATTERY SUPPLY IAW AMM 33-50-01.

Part: SWITCH — OUT OF POSITION (MLG) · airframe 22,400 hrs · 17,620 cycles

DURING FLIGHT, CREW REPORTED THAT THE LANDING GEAR WOULD NOT RETRACT. AN EMERGENCY WAS NOT DECLARED AND RETURNED TO DEPARTURE WHERE THEY LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE EMERGENCY EXTENSION OVERRIDE SWITCH IN THE GEAR DOWN POSITION. MAINTENANCE CYCLED SWITCH TO NORMAL AND PERFORMED GEAR SWINGS IAW AMM AND OPS CHECKED GOOD.

Part: SHEAR TIE — DAMAGED (FRAME 11) · airframe 21,163 hrs · 16,658 cycles

DURING HEAVY CHECK, WAS REPORTED THAT SHEAR CLIP AT SKIN DENT AT FRAME 11 BETWEEN STRINGERS 17-18L IS DAMAGED. MX R & R SHEAR CLIP AT SKIN DENT AT FRAME 11 BETWEEN STR 17-18L IAW SRM 51-23-06, PN 170-03224-003, SHEAR TIE.

Part: SHEAR TIE — DAMAGED (FRAME 20) · airframe 21,163 hrs · 16,658 cycles

DURING HEAVY CHECK WAS REPORTED THAT SHEAR CLIP AT SKIN DENT LOCATED AT FRAME 10 BETWEEN STRINGERS 17L-18L IS DAMAGED. MAINTENANCE R & R SHEAR CLIP AT SKIN DENT LOCATED AT FRAME 10 BETWEEN STRINGERS 17L-18L IAW SRM 51-23-06, PN 170-03216-001, SHEAR TIE.

Part: SHEAR PLATE — GOUGED (CARGO DOOR) · airframe 21,163 hrs · 16,658 cycles

DURING HEAVY CHECK WAS REPORTED THAT FWD CARGO DOOR LOWER AFT SHEAR PLATE HAD TWO GOUGES ON PLATE. MX R & R FWD CARGO DOOR LOWER AFT SHEAR PLATE IAW SRM 51-41-02, 51-43-02. PN 170-67115-002, DOUBLER.

Part: BRACKET — CORRODED (ZONE 100) · corrosion level 2 · airframe 21,163 hrs · 16,658 cycles

DURING HEAVY CHECK, WASTE SERVICE BOX BONDING BRACKET IS CORRODED. MAINTENANCE ACCOMPLISHED S/B 170-53-0095.

Part: BRACKET — CORRODED (ZONE 100) · corrosion level 2 · airframe 21,163 hrs · 16,658 cycles

DURING HEAVY CHECK, WAS REPORTED WASTE SERVICE BOX BRACKET ON INTERNAL SIDE OF BOX IS CORRODED. MAINTENANCE R & R WASTE SERVICE BOX BRACKET ON INTERNAL SIDE OF BOX, PN 170-87889-401, BRACKET.

Part: SHEAR PLATE — CORRODED (FRAME 89) · corrosion level 2 · airframe 21,163 hrs · 16,658 cycles

DURING HEAVY CHECK, SHEAR PLATE AT FRAME 89 BETWEEN STRINGERS 25-26R IS CORRODED. MAINTENANCE R & R SHEAR PLATE IAW SRM 51-41-02.

Part: GUSSET — CORRODED (FRAMES 88-89) · corrosion level 2 · airframe 21,163 hrs · 16,658 cycles

DURING HEAVY CHECK, GUSSET PLATE AT FRAME 89 AND FRAME 88 BETWEEN STR 23-24R. MAINTENANCE R & R THE GUSSET PLATE IAW SRM 51-42-01, 51-43-03, 51-40-02.

Part: SHEAR PLATE — CORRODED (FRAME 89) · corrosion level 2 · airframe 21,163 hrs · 16,658 cycles

DURING HEAVY CHECK, SHEAR PLATE AT FRAME 89 BETWEEN STR 27-28R IS CORRODED. MAINTENANCE R & R SHEAR PLATE AT FRAME 89 BETWEEN STR 27-28, RT IAW SRM 51-41-02, PN 170-60257-001, SHEAR PLATE.

Part: BOLT — CORRODED (SPOILER PCU) · corrosion level 2 · airframe 21,163 hrs · 16,658 cycles

DURING HEAVY CHECK, LT WING, NR 4 SPOILER PCU TOP BOLT IS CORRODED. MAINTENANCE R & R LT WING NR 4 SPOILER PCU TOP BOLT IAW AMM 27-65-01, PN NAS6212-31D.

Part: DOUBLER — GOUGED (CARGO DOOR) · airframe 21,163 hrs · 16,658 cycles

DURING HEAVY CHECK WAS REPORTED THAT FWD CARGO DOOR LOWER HORIZONTAL BEAM FWD TOP PLATE IS GOUGED. MAINTENANCE R & R FWD CARGO DOOR LOWER HORIZONTAL BEAM FWD TOP PLATE IAW SRM 51-40-02, 51-43-02, 51-41-02, PN 170-67115-001, DOUBLER.

Part: BUSHING — CORRODED (LT WING SPOILER) · corrosion level 2 · airframe 21,163 hrs · 16,658 cycles

HEAVY CHECK WAS REPORTED THAT LT WING SPOILER 1 PCU ATTACH FITTING BUSHING ARE CORRODED. MAINTENANCE R & R LT WING SPOILER 1 PCU ATTACH FITTING BUSHING IAW AMM 20-10-08, PN 170-34140-003 BUSHING.

Part: SEAT TRACK — CORRODED (ZONE 100) · corrosion level 2 · airframe 21,163 hrs · 16,658 cycles

DURING HEAVY CHECK, CABIN FLOORBEAM INBD OF FWD LAV AFT MOUNT HOLE IS CORRODED. MAINTENANCE R & R CABIN FLOORBEAM INBD OF FWD LAV AFT MOUNT HOLE IAW SRM 51-43-01, 51-43-02, AND 51-41-01.

Part: BOLT — CORRODED (LT WING) · corrosion level 2 · airframe 21,163 hrs · 16,658 cycles

DURING HEAVY CHECK , LT WING NR 5 MFS PCV TOP BOLT ATTACHING HARDWARE IS CORRODED. MX R & R LT WING NR 5 MFS PCV TOP BOLT ATTACHING HARDWARE IAW AMM 27-65-01, NAS6212-31D, BOLT.

Part: SPAR — CRACKED (RT WING) · airframe 21,163 hrs · 16,658 cycles

DURING HEAVY CHECK, RT SPAR 3 HAS CRACK LIKE INDICATIONS. MAINTENANCE REAMED HOLE IAW ETD2016170-041851.

Part: SEAL REST — CORRODED (CARGO DOOR) · corrosion level 2 · airframe 21,163 hrs · 16,658 cycles

DURING HEAVY CHECK, FWD CARGO DOOR, ALL 3 LOWER SEAL REST HAVE CORROSION. MAINTENANCE R & R FWD CARGO DOOR ALL 3 LOWER SEAL REST IAW SRM 51-44-01, AMM 20-10-01.

Part: NUT — CORRODED (FLAP TRACK) · corrosion level 2 · airframe 21,163 hrs · 16,658 cycles

DURING HEAVY CHECK, NR 2 FLAP TRACK SUPPORT FWD MOUNTING HARDWARE IS CORRODED. MAINTENANCE R & R NR 2 FLAP TRACK SUPPORT, FWD MOUNTING HARDWARE IAW AMM 57-54-21. PN MS14145L8, NUT.

Part: RIB — CRACKED (HORIZONTAL STAB) · airframe 21,163 hrs · 16,658 cycles

DURING HEAVY CHECK, RT HORIZONTAL STABILIZER, RIB 4 RIVETS BACK FROM FWD SPAR AT UPPER SKIN ATTACH POINT RIB 12 IS CRACKED MAINTENANCE R & R RT HORIZONTAL STABILIZER, RIB 4 RIVETS BACK FROM FWD SPAR AT UPPER SKIN ATTACH POINT RIB 12 IAW SRM 51-40-02, 51-41-02. PN 170-62642-004, RIB 12.

Part: SPAR — CRACKED (LT WING) · airframe 21,163 hrs · 16,658 cycles

DURING HEAVY CHECK, LT SPAR 3 WING STUB HAS CRACK LIKE INDICATIONS IN FASTENER HOLE. MAINTENANCE REAMED HOLE IAW ETD2016-170-041851.

Part: FITTING — CORRODED (GIRT BAR) · airframe 21,163 hrs · 16,658 cycles

DURING HEAVY CHECK, AFT SIDE OF AFT GIRT BAR FITTING ON L2 DOOR CUTOUT LOWER BEAM IS CORRODED. MAINTENANCE BLENDED OUT CORROSION AFT SIDE OF AFT GIRT BAR FITTING ON L2 DOOR CUTOUT LOWER BEAM IAW SRM 53-23-11.

Part: FITTING — BROKEN (GIRT BAR) · airframe 21,163 hrs · 16,658 cycles

DURING HEAVY CHECK, NUT PLATE AT L2 DOOR GIRT BAR FITTING AFT OTBD HOLE OF AFT GIRT BAR FITTING IS BROKEN. MAINTENANCE R & R NUT PLATE L2 DOOR GIRT BAR FITTING AFT OTBD HOLE OF AFT GIRT BAR FITTING IAW SRM 51-42-02.

Part: CASE — LOOSE (L2 DOOR SLIDE) · airframe 21,153 hrs · 16,652 cycles

DURING HEAVY CHECK, MAINTENANCE FOUND THE L2 DOOR SLIDE CASING WAS UNRAVELING. MAINTENANCE R & R L2 DOOR SLIDE IAW AMM AND OPS CHECKED GOOD. ACFT REMAINS OUT OF SERVICE IN HEAVY CHECK.

Part: HANDSET — INTERMITTENT · airframe 21,144 hrs · 16,644 cycles

CREW REPORTED THAT THE AFT F/T RAINBOW LIGHT WAS FLICKERING.

Part: WARNING MESSAGE — UNKNOWN · airframe 21,102 hrs · 16,611 cycles

CREW REPORTED ADS 1, 2, 3 & 4 FAILURE ALONG WITH WINDSHEAR FAIL, STALL PROT FAIL, AOA LIMIT FAIL AND A/T FAIL AFTER FLYING THRU WAKE TURBULANCE. CREW DECLARED AN EMERGENCY, LANDED WITHOUT INCIDENT. MAINTENANCE RESET ACFT POWER IAW AMM AND ALL FAULTS CLEARED. ACFT IS GOOD FOR SERVICE.

Part: ENGINE — POWER LOSS (NR 1) · airframe 19,646 hrs · 15,515 cycles

CREW REPORTED A LOUD BANG FOLLOWED BY LOSS OF ALL POWER FROM THE NR 1 ENGINE. CREW DECLARED AN EMERGENCY, RAN QRH AND RETURNED TO DEPARTURE. LANDED WITHOUT INCIDENT.

Part: WIRE HARNESS — DAMAGED (SLAT SYS) · airframe 18,994 hrs · 14,981 cycles

ON GEAR RETRACTION, CREW RECEIVED A SLAT FAIL MESSAGE. RAN QRH, DECLARED AN EMERGENCY AND RETURNED TO DEPARTURE. LANDED AND TAXIED TO GATE WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT AND R & R THE RT OTBD SLAT HARNESS AND SKEW SENSOR IAW AMM AND OPS CHECKED GOOD. ACFT IS GOOD FOR SERVICE.

Part: FLASHLIGHT — INOPERATIVE (FWD CABIN) · airframe 17,687 hrs · 13,984 cycles

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

Part: FLASHLIGHT — INOPERATIVE (CABIN) · airframe 17,580 hrs · 13,901 cycles

CREW REPORTED THAT THE AFT FLASHLIGHT WAS NOT CHARGING. MAINTENANCE R & R AFT FLASHLIGHT IAW AMM AND OPS CHECKED GOOD.

Part: BOLT — CORRODED (RT MLG) · corrosion level 2 · airframe 16,393 hrs · 12,989 cycles

DURING HEAVY CHECK, RT MLG SIDE STAY ATTACH BOLT PIN CORRODED. MX R & R RT MLG SIDE STAY ATTACH BOLT PIN IAW AMM 32-11-05.

Part: BUSHING — CORRODED (HORIZONTAL STAB) · corrosion level 2 · airframe 16,393 hrs · 12,989 cycles

DURING HEAVY CHECK, HORIZONTAL STAB RT HINGE FITTING BEARING BORE IS CORRODED. MX REPAIRED HORIZONTAL STABILIZER RT FITTING IAW ETD 2014-170-050071 REV A AND B AND TECHNICAL INSTRUCTION TI-170-14-043 REV A, B. TASK 55-10-020-00001.

Part: PIN — CORRODED (HORIZONTAL STAB) · corrosion level 2 · airframe 16,393 hrs · 12,989 cycles

DURING HEAVY CHECK, EXTERNAL HINGE PIN AT FRAME 100 ON RT SIDE ALONG WITH 2 FLOATING HAT BUSHINGS ARE CORRODED. MX R & R 2 FLOATING HAT BUSHINGS, EXTERNAL HINGE PIN AT FRAME 100 RT SIDE, PN 170-62007-001, EXTERNAL PIN, 170-61254-001, BUSHING, 170-61250-001 BUSHING.

Part: ROD END — CORRODED (HORIZONTAL STAB) · corrosion level 2 · airframe 16,393 hrs · 12,989 cycles

DURING HEAVY CHECK, HORIZONTAL STAB RT ROD END ON HINGE PIN ADJUSTABLE ROD IS CORRODED. MX R & R HORIZONTAL STAB, RT ROD END ON HINGE PIN ADJUSTABLE ROD IAW AMM 27-41-03.

Part: DOUBLER — CORRODED (ZONE 100) · corrosion level 2 · airframe 16,393 hrs · 12,989 cycles

DURING HEAVY CHECK, PANEL 192CR ON INTERNAL DOUBLER OF PANEL HAS HEAVY CORROSION. MX R & R INTERNAL DOULBER IAW SRM 51-41-02.

Part: SEAT TRACK — CORRODED (FRAME 86) · corrosion level 2 · airframe 16,393 hrs · 12,989 cycles

DURING HEAVY CHECK, LT INBD SEAT TRACK EXTENSION AT FRAME 86 AROUND RIVET HEADS IS CORRODED. MX R & R SEAT TRACK IAW SRM 51-40-02,51-41-02,51-43-01.

Part: ISOLATOR — CORRODED (APU MOUNT) · corrosion level 2 · airframe 16,393 hrs · 12,989 cycles

DURING HEAVY CHECK WAS REPORTED THAT LT APU MOUNT ISOLATOR BOLTS CORRODED. MX R & R LT APU MOUNT ISOLATOR ASSY INSTALLED IAW AMM 53-31-35, PN 96073-15 ISOLATOR.

Part: SEAT TRACK — CORRODED (FRAME 86) · corrosion level 2 · airframe 16,393 hrs · 12,989 cycles

DURING HEAVY CHECK, RT INBD SEAT TRACK EXTENSION AT FRAME 86 RIVET HEADS ARE CORRODED. MX R & R RT INBD SEAT TRACK IAW SRM 51-40-02, 51-41-01,51-43-01.

Part: SHEAR PLATE — CORRODED (FRAME 88) · corrosion level 2 · airframe 16,393 hrs · 12,989 cycles

DURING HEAVY CHECK, AFT WET AREA ON LT SHEAR PLATE AT FRAME 88 IS CORRODED. R & R SHEAR PLATE IAW SRM 51-40-02,51-42-01, 51-42-02.

Part: SHEAR PLATE — CORRODED (FRAME 88) · corrosion level 2 · airframe 16,393 hrs · 12,989 cycles

DURING HEAVY CHECK, AFT WET AREA ON MIDDLE SHEAR PLATE AT FRAME 88 IS CORRODED. MX R & R SHEAR PLATE IAW SRM 51-40-02.

Part: SHEAR PLATE — CORRODED (FRAME 88) · corrosion level 2 · airframe 16,393 hrs · 12,989 cycles

DURING HEAVY CHECK, AFT WET AREA RT SHEAR PLATE AT FRAME 88 IS CORRODED. MX R & R SHEAR PLATE IAW SRM 51-40-02.

Part: SEAT TRACK — CORRODED (FRAMES 86-87) · corrosion level 2 · airframe 16,393 hrs · 12,989 cycles

DURING HEAVY CHECK, AFT WET AREA ON RT INBD SEAT TRACK EXTENSION, BETWEEN FRAMES 86-87 IS CORRODED. MX R & R SEAT TRACK IAW SRM 51-40-02.

Part: ISOLATOR — CORRODED (APU MOUNT) · corrosion level 2 · airframe 16,393 hrs · 12,989 cycles

DURING HEAVY CHECK, RT APU MOUNT ISOLATOR BOLTS CORRODED. MX R & R RT APU MOUNT ISOLATOR BOLTS IAW AMM 170/175 AMM 53-31-35, PN 960073-14 ISOLATOR.

Part: FIREWALL — CRACKED (APU BAY) · airframe 16,393 hrs · 12,989 cycles

DURING HEAVY CHECK, APU FIREWALL 351BZ FOUND CRACKED. MX REPAIRED APU FIREWALL IAW SRM 53-31-21, REPAIR 02, TYPE 1.

Part: DOOR SILL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 16,393 hrs · 12,989 cycles

DURING HEAVY CHECK, FWD CARGO DOOR CUTOUT LOWER SILL IN BOTH FWD AND AFT LOWER CORNERS ARE CORRODED. MX R & R FWD CARGO DOOR CUTOUT LOWER SILL IN BOTH FWD AND AFT LOWER CORNERS IAW SRM 51-41-01 AND AMM 20-10-01. PN 170-66803-401, SILL REST.

Part: CHECK VALVE — CORRODED (FWD CARGO BAY) · corrosion level 2 · airframe 16,393 hrs · 12,989 cycles

DURING HEAVY CHECK, FWD CARGO SIDE WALL CHECK VALVE SHOWS SIGNS OF CORROSION. MX R & R FWD CARGO SIDE WALL CHECK VALVE IAW AMM21-27-03.

Part: FLASHLIGHT — INOPERATIVE (COCKPIT) · airframe 12,446 hrs · 9,961 cycles

F/O FLASHLIGHT DOES NOT WORK. R & R FLASHLIGHT ASSY IAW AMM 33-51-00. OPS CHECKED GOOD.

Part: MASK — DAMAGED (CABIN) · airframe 12,913 hrs · 10,301 cycles

FLIGHT ATTENDANTS OXYGEN DEMO MASK WAS TATTERED. MAINTENANCE REMOVED AND REPLACED DEMO MASK PER EMB AMM, OPS CHECKED GOOD.

Part: POTABLE WATER — CONTAMINATED · airframe 11,148 hrs · 8,971 cycles

POT WATER FROM SINK AND COFFEEMAKERS RELEASES FUMES THAT BURN THROAT AND NOSE. MAINTENANCE PERFORMED POTABLE WATER SANITIZATION IAW EMB 175 J/C R12-14-01-670-810A. WATER IS CLEAR AND NO LONGER CONTAINS ODOR. PLACED POTABLE WATER TANK ON MEL 38-10-00-2.

Part: SERVICE PANEL — DELAMINATED (FUSELAGE) · corrosion level 2 · airframe 11,128 hrs · 8,956 cycles

WHILE AIRCRAFT WAS IN HEAVY CHECK MAINTENANCE FOUND THE AFT LAVATORY SERVICE BOX IS DELAMINATED. MAINTENANCE REMOVED AND REPLACED THE AFT LAVATORY SERVICE BOX IAW EMB 175 SRM 51-40-02 AND 51-43-01. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · corrosion level 2 · airframe 11,128 hrs · 8,956 cycles

WHILE AIRCRAFT WAS IN HEAVY CHECK MAINTENANCE FOUND THE LEFT FORWARD SEAT TRACK BEAM CORRODED AT FRAME 17. MAINTENANCE REMOVED AND REPLACED THE LEFT FORWARD SEAT TRACK IAW EMB 175 SRM 51-40-02, 52-41-02, 51-43-01, AND 51-43-02. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.

Part: SEAT TRACK — CORRODED (FUSELAGE) · corrosion level 2 · airframe 11,128 hrs · 8,956 cycles

WHILE AIRCRAFT WAS IN HEAVY CHECK MAINTENANCE FOUND THE RIGHT LOWER SEAT TRACK BETWEEN FRAMES 13 AND 14 HAVE CORROSION. MAINTENANCE REMOVED AND REPLACED THE RIGHT LOWER SEAT TRACK IAW EMB 175 SRM 51-40-02, 51-41-01, 51-41-02, 51-43-01, 51-43-02, 51-43-03 AND 51-43-04. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.

Part: PROFILE — CRACKED (AC BAY) · airframe 11,128 hrs · 8,956 cycles

WHILE AIRCRAFT WAS IN HEAVY CHECK MAINTENANCE FOUND THE LEFT PACK RAM AIR VALVE PROFILE CRACKED. MAINTENANCE REMOVED AND REPLACED THE CRACKED PROFILE LEFT PACK RAM AIR VALVE IAW EMB 175 SRM 51-40-02, 51-41-01. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.

Part: GUSSET — CORRODED (FUSELAGE) · corrosion level 2 · airframe 11,128 hrs · 8,956 cycles

WHILE AIRCRAFT WAS IN HEAVY CHECK MAINTENANCE FOUND THE CENTER RIGHT GUSSET FRAME 90 CORRODED. MAINTENANCE REMOVED AND REPLACED THE CENTER RIGHT GUSSET FRAME 90 IAW EMB 175 SRM 51-41-02. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.

Part: GUSSET — CORRODED (FUSELAGE) · corrosion level 2 · airframe 11,128 hrs · 8,956 cycles

WHILE AIRCRAFT WAS IN HEAVY CHECK MAINTENANCE FOUND THE CENTER LEFT GUSSET FRAME 90 CORRODED. MAINTENANCE REMOVED AND REPLACED THE CENTER LEFT GUSSET FRAME 90 IAW EMB 175 SRM 51-41-02. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.

Part: BRACKET — CRACKED (AC BAY) · airframe 11,128 hrs · 8,956 cycles

WHILE AIRCRAFT WAS IN HEAVY CHECK MAINTENANCE FOUND THE LEFT PACK RAM AIR VALVE BRACKET CRACKED. MAINTENANCE REMOVED AND REPLACED THE BRACKET ON THE LEFT PACK RAM AIR VALVE IAW EMB 175 SRM 51-40-02, 51-41-01. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.

Part: RIB — CRACKED (LT WING) · airframe 11,128 hrs · 8,956 cycles

WHILE AIRCRAFT WAS IN HEAVY CHECK MAINTENANCE FOUND THE LEFT WING RIB 10 EXTENSION CRACKED. MAINTENANCE REMOVED AND REPLACED THE LEFT WING RIB 10 EXTENSION IAW EMB 175 SRM 51-40-02, 51-41-01, 51-43-01, 51-43-02, AND 51-23-09. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.

Part: BRACKET — CRACKED (AC BAY) · airframe 11,128 hrs · 8,956 cycles

WHILE AIRCRAFT WAS IN HEAVY CHECK MAINTENANCE FOUND THE LEFT PACK RAM AIR VALVE BRACKET CRACKED. MAINTENANCE REMOVED AND REPLACED THE BRACKET ON LEFT PACK RAM AIR VALVE IAW EMB 175 SRM 51-40-02, 51-41-01. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.

Part: GIRT BAR — UNSECURE (L2 DOOR) · airframe 7,908 hrs · 6,390 cycles

CREW REPORTED L-2 DOOR WILL NOT DISARM. MAINTENANCE RE-SECURED L-2 DOOR GIRT BAR AND PERFORMED OPS CHECKS PER EMB AMM.

Part: CABLE — DEFECTIVE (R1 DOOR) · airframe 6,339 hrs · 5,127 cycles

CREW REPORTED R-1 DOOR WOULDN'T DISARM. MAINTENANCE REMOVED AND REPLACED DISARM CABLE PER EMB AMM, OPS CHECK GOOD.

Part: LIGHT — MALFUNCTIONED (CABIN) · airframe 5,626 hrs · 4,544 cycles

CREW REPORTED EMERGENCY LIGHT OVER FORWARD EXITS WOULDN'T TURN OFF. MAINTENANCE PERFORMED OPS CHECK OF EMERGENCY LIGHTS PER EMB AMM, NO DEFECTS WERE NOTED.

Part: INDICATION SYS — MALFUNCTIONED (EVAC SLIDE) · airframe 4,800 hrs · 3,863 cycles

CREW REPORTED L-1 DOOR SLIDE ARMED/DISARMED INDICATION WASN'T SHOWING IN THE WINDOW. MAINTENANCE VERIFIED THE GIRT BAR INDICATION WAS WORKING AND PLACED ON MEL. A/C WAS RETURNED TO SERVICE.

Part: INDICATOR — OUT OF ADJUST (L1 DOOR) · airframe 4,638 hrs · 3,738 cycles

CREW REPORTED L-1 DOOR SLIDE INDICATION DOESN'T ROTATE TO GREEN WHEN UNLOCKED. MAINTENANCE TROUBLESHOT AND PERFORMED ADJUSTMENT ON L-1 DOOR SLIDE INDICATOR PER EMB AMM, OPS CHECK GOOD.

Part: INDICATION SYS — MALFUNCTIONED (L1 DOOR) · airframe 4,528 hrs · 3,652 cycles

CREW REPORTED THE L-1 DOOR INDICATION WAS SHOWING ALL WHITE. MAINTENANCE WAS DISPATCHED TO THE A/C TO TROUBLESHOOT. MAINTENANCE PLACED THE L-1 DOOR ARM/DISARM INDICATION ON MEL 52-70-01-03.

Part: PIN — OUT OF POSITION (L2 DOOR) · airframe 3,242 hrs · 2,596 cycles

MAINTENANCE REPORTED 2L DOOR BUSSEL PIN HANGING OUTSIDE OF DOOR. MAINTENANCE RE-SECURED L2 BUSSEL PIN IAW EMB AMM.