N821MD

Part: MAU — FAULTED (MLG WOW) · airframe 41,852 hrs · 31,325 cycles

LG WOW SYSTEM FAIL DURING FLIGHT. EMERGENCY DECLARED. LANDED WITHOUT INCIDENT. REMOVED AND REPLACED PSEM NR 2 MAU 3 SLOT 13-14 IAW AMM-32-61-01. THE OPS CHECKED GOOD.

Part: NONE — NONE (NONE) · airframe 41,628 hrs · 31,151 cycles

REPUBLIC EO 170AD-53-10-0010 STEP 5.C SOLID RIVETS - PROTRUDING HEAD CANNOT BE INSTALLED PER GUIDANCE IN SERVICE BULLETIN 170-53-0051 REV 3 FIG 4 PARAGRAPH 1 (B) 2. ROUTINE TASK CARD COMPLIED WITH

Part: SKIN — CRACKED (RT WING) · airframe 41,628 hrs · 31,151 cycles

R/H WING LOWER SKIN PANEL HAS A SUSPECTED CRACK OUTBOARD OF THE SPLICE AT RIB 4 AS MARKED. REPAIRED RH WING LOWER SKIN CRACK OUTBOARD OF SPLICE AT RIB 4 IAW ETD2022-170-031142.ACCOMPLISHED

Part: GROUND WIRE — DAMAGED (EMERGENCY LIGHT) · airframe 38,218 hrs · 28,722 cycles

AFT CENTER EMERGENCY EXIT LIGHT INOP. REPAIRED GROUND WIRE TO AFT CENTER EMERGENCY EXIT LIGHT W201-00778-20N IAW SWPM 20-41-20.

Part: PLATE — CORRODED (AFT GALLEY) · corrosion level 2 · airframe 38,183 hrs · 28,682 cycles

SEVERAL SMALL AREAS OF LIGHT CORROSION AT AFT GALLEY/LAV FLOOR ON OUTBOARD SILL PLATES.

Part: PLATE — CORRODED (FWD GALLEY) · airframe 38,183 hrs · 28,682 cycles

SMALL AREA OF LIGHT CORROSION ON RT FWD GALLEY/LAV FLOOR PLATE.

Part: SKIRT — CRACKED (OVERWING FAIRING) · airframe 38,183 hrs · 28,682 cycles

RT OVERWING FAIRING SKIRT CRACKED IN 2 PLACES BELOW THE 12TH PAX WINDOW BACK.

Part: BATTERY — INOPERATIVE (EMERGENCY LIGHTS) · airframe 38,182 hrs · 28,681 cycles

LAST AISLE CEILING PANEL EMERGENCY LIGHT INOPERABLE. R & R AFT CABIN EMERGENCY BATTERY, IAW AMM 33-50-01.

Part: SIGN — MISSING (EMERGENCY LIGHTS) · airframe 37,189 hrs · 27,899 cycles

EXIT SIGN OVER L1 DOOR MISSING. R&R L1 DOOR EXIT MARKING SIGN IAW AMM 33-50-17.

Part: DOUBLER — CORRODED (ZONE 100) · corrosion level 2 · airframe 36,337 hrs · 27,174 cycles

WHILE AIRCRAFT WAS IN FOR ACCEPTANCE/BRIDGE CHECK; MAINTENANCE FOUND CORROSION ON INNER DOUBLER ON PANEL 192BL. REMOVED AND REPLACED DOUBLER IAW EMB SRM 51-40-08.

Part: RIB — CRACKED (HORIZONTAL STAB) · airframe 36,337 hrs · 27,174 cycles

WHILE AIRCRAFT WAS IN FOR ACCEPTANCE/BRIDGE PACKAGE MAINTENANCE FOUND RIB 12A ON LH HORIZONTAL STAB CRACKED @ UPPER SURFACE ATTACH FLANGE AT THE 4TH AND 5TH FASTENER HOLES FROM THE FRONT. REMOVED AND REPLACED RIB 12A (PN 170-62462-601) IAW EMB SRM 51-40-08. SEE EAMS W/O H6673, SN# 0114 FOR WORK PERFORMED. (MAJOR: FCS# 55-10-00-005)

Part: RIB — CRACKED (HORIZONTAL STAB) · airframe 36,337 hrs · 27,174 cycles

WHILE AIRCRAFT WAS IN FOR ACCEPTANCE/BRIDGE PACKAGE MAINTENANCE FOUND RIB 10A CRACKED ON RH HORIZONTAL STAB; UPPER SURFACE ATTACH FLANGE @ 6TH FASTENER HOLE FROM THE FRONT. REMOVED DAMAGED RIB 10A (P/N 170-62571-602) AND REPLACED IAW EMB SRM 51-40-08. SEE W/O H6673, SN# 0112 FOR WORK PERFORMED. (MAJOR: FCS# 55-10-00-005)

Part: RIB — CRACKED (HORIZONTAL STAB) · airframe 36,337 hrs · 27,174 cycles

WHILE AIRCRAFT WAS IN FOR ACCEPTANCE/BRIDGE PACKAGE MAINTENANCE FOUND RIB 11A CRACKED ON LH HORIZONTAL STAB @ UPPER SURFACE ATTACH FLANGE AT THE 6TH FASTENER HOLE FROM THE FRONT. REMOVED AND REPLACED RIB 11A (PN 170-62783-601) IAW EMB SRM 51-40-08. (MAJOR: FCS# 55-10-00-005)

Part: RIB — CRACKED (HORIZONTAL STAB) · airframe 36,337 hrs · 27,174 cycles

WHILE AIRCRAFT WAS IN FOR ACCEPTANCE/BRIDGE PACKAGE MAINTENANCE FOUND RIB 11A CRACKED ON RH HORIZONTAL STAB @ THE UPPER SURFACE ATTACHMENT FLANGE FWD OF THE 4TH FASTENER HOLE EXTENDING THROUGH THE 5TH FASTENER HOLE TO THE AFT END OF THE FLANGE. REMOVED AND REPLACED RIB 11A (PN 170-62783-602)IAW EMB SRM 51-40-08. (MAJOR: FCS# 55-10-00-005)

Part: SEAT TRACK — CORRODED (FUSELAGE) · corrosion level 2 · airframe 20,569 hrs · 14,173 cycles

WHILE AIRCRAFT WAS IN FOR HEAVY CHECK, LEVEL 2 CORROSION WAS FOUND ON THE RIGHT SEAT TRACK EXTENSION. MAINTENANCE REMOVED AND REPLACED THE RIGHT SEAT TRACK EXTENSION IAW EMB 170/175 SRM 51-43-01, 51-42-01, 51-41-01 & 51-40-02. AIRCRAFT IS CURRENTLY STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: PANEL SUPPORT — CRACKED (FUSELAGE) · airframe 20,569 hrs · 14,173 cycles

WHILE AIRCRAFT WAS IN FOR HEAVY CHECK, MAINTENANCE FOUND A FLOOR SUPPORT CRACKED ON FRAME 86 AT L-2 DOOR. MAINTENANCE REMOVED AND REPLACED THE FLOOR SUPPORT BRACKET ON FRAME 86 AT L-2 DOOR IAW EMB 170/175 SRM 51-41-01. AIRCRAFT IS CURRENTLY STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: GLAND NUT — CORRODED (RT MLG) · corrosion level 2 · airframe 20,569 hrs · 14,173 cycles

WHILE AIRCRAFT WAS IN HEAVY CHECK MAINTENANCE FOUND THE RIGHT MAIN LANDING GEAR GLAND NUT FOR SLIDING TUBE CORRODED. MAINTENANCE REPLACED THE RIGHT MAIN LANDING GEAR GLAND NUT FOR THE SLIDING TUBE IAW EMB 170AMM 32-11-04. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.

Part: SENSOR — FAILED (TE FLAPS) · airframe 19,780 hrs · 13,571 cycles

CREW REPORTED FLAP FAIL MESSAGE DURING CRUISE, DECLARED AN EMERGENCY AND DIVERTED TO PIT. THE ACFT LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE RT T4 FLAP SKEW SENSOR PER EMB AMM, OPS CHECK GOOD.

Part: UNKNOWN — ODOR (COCKPIT) · airframe 19,561 hrs · 13,406 cycles

CREW REPORTED FOUL ODOR IN COCKPIT ON CLIMB COMING FROM THE AIR CONDITIONING. FLIGHT ATTENDANTS DID NOT REPORT ANY ODOR IN THE CABIN. MAINTENANCE PERFORMED AIR CONDITIONING ADJUSTMENT TEST IAW EMB AMM, OPS CHECK GOOD AND NO ODORS REPORTED.

Part: UNKNOWN — ODOR (COCKPIT) · airframe 19,421 hrs · 13,299 cycles

CREW REPORTED FOUL ODOR DURING FLIGHT. MAINTENANCE PLACED PACK 2 ON MEL. MAINTENANCE LATER INSPECTED ACM AND OPERATED PACK ON GROUND PER EMB AMM, OPS CHECK GOOD, NO DEFECTS OR FOUL ODOR FOUND.

Part: UNKNOWN — ODOR (COCKPIT) · airframe 19,399 hrs · 13,283 cycles

CREW REPORTED BURNING SMELL FROM PACK 2 IN FLIGHT. MAINTENANCE PERFORMED OPS CHECK OF PACK 2 PER EMB AMM, NO SMELLS OR DEFECTS NOTED.

Part: ACTUATOR — MALFUNCTIONED (TE FLAP) · airframe 19,234 hrs · 13,163 cycles

CREW REPORTED FLAP FAIL MSG DURING CLIMB AFTER TAKE-OFF FROM MCI. CREW DECLARED AN EMERGENCY AND RETURNED TO FIELD AT MCI, LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED 2L FLAP ACTUATOR PER EMB AMM, OPS CHECK GOOD.

Part: COVER — LOOSE (L1 DOOR) · airframe 18,653 hrs · 12,720 cycles

CREW REPORTED L-1 DOOR WAS DIFFICULT TO OPERATE DUE TO VENT FLAP COVER BEING LOOSE. MAINTENANCE RE-SECURED L-1 DOOR VENT FLAP COVER HINGE PER EMB AMM, OPS CHECK GOOD.

Part: DOOR — BINDS (L1) · airframe 18,417 hrs · 12,539 cycles

GATE AGENT REPORTED L1 DOOR WAS VERY DIFFICULT TO OPEN. MAINTENANCE PERFORMED OPERATIONAL CHECK OF L1 DOOR PER EMB AMM, NO DEFECTS NOTED AND OPERATIONAL CHECK GOOD.

Part: SKIN — GOUGED (FUSELAGE) · airframe 17,979 hrs · 12,218 cycles

WHILE A/C WAS IN FOR HEAVY CHECK FOUND GOUGE AT THE BASE OF THE VERTICAL STAB FR 92-93 STR 3-4 LT. MX FABRICATED DOUBLER AND FILLER, ALODINE, PRIME AND TOP COAT IAW 51-40-02, 51-41-02, 51-23-04, 51-23-05, 51-23-06, 53-30-01. FCS IS AFFECTED FCBS 53-30-00-002 REQUIRED RE-INSPECTION OF EXTERNAL DETAIL AT 20000 FC AFTER REPAIR ACOMPLIMENT WITH 10000 FC INTERVALS THERE AFTER. A/C REMAINS IN CMH FOR HEAVY CHECK COMPLETION. ..MAJOR..

Part: RETAINER — MISSING (L1 DOOR) · airframe 17,534 hrs · 11,925 cycles

CREW REPORTED L-1 DOOR WAS HARD TO CLOSE. MAINTENANCE REPLACED L-1 DOOR RETAINING CLIP PER AMM, AND PERFORMED OPS CHECK. ACFT WAS THEN RETURNED TO SERVICE.

Part: UNKNOWN — MALFUNCTIONED (L2 DOOR) · airframe 17,506 hrs · 11,908 cycles

CREW REPORTED L-2 DOOR HARD TO DISARM AND OPEN. MAINTENANCE PERFORMED OPS CHECK OF L-2 DOOR PER EMB AMM, AND REPORTED NO DEFECTS WERE NOTED.

Part: GIRT BAR — LOOSE (L2 DOOR) · airframe 17,282 hrs · 11,757 cycles

CREW REPORTED L2 DOOR IS HARD TO ARM/ DISARM. MX RE-SECURED GIRT BAR PER EMB AMM, OPS CHECK NORMAL.

Part: DOOR — MALFUNCTIONED (R2) · airframe 16,960 hrs · 11,499 cycles

CREW REPORTED R-2 DOOR WOULDN'T DISARM. MAINTENANCE OPERATED R-2 DOOR VENT FLAP HANDLE AND DISARM HANDLE PER EMB AMM, AND REPORTED NO DEFECTS WERE NOTED.

Part: DOOR — OUT OF RIG (L1) · airframe 16,960 hrs · 11,499 cycles

CREW REPORTED L-1 DOOR WAS HARD TO OPEN. MAINTENANCE RIGGED THE L-1 DOOR PER EMB AMM AND REPORTED OPS CHECK GOOD. A/C WAS THEN RETURNED TO SERVICE.

Part: HANDLE — OBSTRUCTED (L1 DOOR) · airframe 16,960 hrs · 11,499 cycles

CREW REPORTED L-1 DOOR HANDLE WAS BINDING AND DIFFICULT TO USE. MAINTENANCE TROUBLESHOT AND FOUND DEBRIS RUBBING ON HANDLE TO BE AT FAULT. MAINTENANCE REMOVED THE DEBRIS AND PERFORMED OPS CHECK OF L-1 DOOR PER EMB AMM, OPS CHECK GOOD.

Part: DOOR — BINDS (CABIN) · airframe 16,960 hrs · 11,499 cycles

CREW REPORTED DIFFICUTLY OPENING THE MAIN CABIN DOOR. MAINTENANCE PERFORMED PASSENGER DOOR OPERATIONAL CHECK PER EMB AMM, AND REPORTED NO DEFECTS WERE NOTED.

Part: INDICATOR — OUT OF ADJUST (L2 DOOR) · airframe 16,912 hrs · 11,464 cycles

CREW REPORTED L-2 DOOR WAS DIFFICULT TO DISARM. MAINTENANCE TROUBLESHOT PER EMB AMM AND FOUND THE L-2 DOOR GIRT BAR INDICATION TO BE AT FAULT, AND PLACED ON MEL 52-70-01-4. MAINTENANCE CLEARED THE MEL LATER IN THE DAY BY ADJUSTING L-2 DOOR GIRT BAR INDICATOR PER EMB AMM, OPS CHECK GOOD.

Part: MECHANISM — STICKING (L2 DOOR) · airframe 16,887 hrs · 11,450 cycles

CREW REPORTED L2 DOOR ARMING MECHANISM IS STICKING. MX INSPECTED L2 DOOR ARMING MECHANISM IAW CMM NO DEFECTS NOTED, OPS CHECK GOOD.

Part: DOOR — OUT OF ADJUST (L2) · airframe 16,876 hrs · 11,444 cycles

CREW REPORTED L2 DOOR HANDLE HARD TO DISARM. MX ADJUSTED DOOR PER EMB AMM OPS CHECK GOOD OK FOR SERVICE.

Part: DOOR — OBSTRUCTED (L2) · airframe 16,786 hrs · 11,392 cycles

CREW REPORTED L-2 DOOR WAS HARD TO DISARM. MAINTENANCE FOUND ICE AROUND DOOR SEAL, REMOVED ICE AND PERFORMED OPS CHECKS OF L-2 DOOR PER EMB AMM, OPS CHECK GOOD.

Part: DOOR — OBSTRUCTED (L1) · airframe 16,786 hrs · 11,392 cycles

CREW REPORTED THE L-1 DOOR WAS HARD TO OPERATE. MAINTENANCE REPORTED FOUND ICE AROUND THE DOOR SEAL, REMOVED ICE AND PERFORMED OPS CHECKS OF L-1 DOOR PER EMB AMM, OPS CHECK GOOD.

Part: DOOR — OUT OF ALIGNMENT (L2) · airframe 11,469 hrs · 6,865 cycles

CREW REPORTED L-2 DOOR WAS HARD TO CLOSE. MAINTENANCE RE-ALIGNED THE DOWNWARD DISPLACEMENT PER EMB AMM, AND REPORTED L-2 DOOR WAS OPERATING NORMALLY.

Part: UNKNOWN — MALFUNCTIONED (L1 DOOR) · airframe 16,758 hrs · 11,377 cycles

CREW REPORTED L-1 DOOR WAS HARD TO ARM AND DISARM. MAINTENANCE PERFORMED OPS CHECK OF L-1 DOOR PER EMB AMM, AND REPORTED NO FAULTS WERE FOUND.

Part: UNKNOWN — MALFUNCTIONED (L1 DOOR) · airframe 16,720 hrs · 11,346 cycles

CREW REPORTED L-1 AND L-2 DOORS WERE DIFFICULT TO DISARM. MAINTENANCE PERFORMED OPS CHECK OF L-1 AND L-2 DOORS PER EMB AMM AND REPORTED NO FAULTS WERE FOUND.

Part: GIRT BAR — DIRTY (L2 DOOR) · airframe 16,685 hrs · 11,318 cycles

CREW REPORTED L2 DOOR DISARM LEVER IS DIFFICULT TO MOVE. MX CLEANED GIRT BAR PER EMB AMM, OPS CHECK GOOD.

Part: DOOR — BINDING (L1) · airframe 16,380 hrs · 11,116 cycles

CREW REPORTED L-1 DOOR WAS HARD TO OPEN. MAINTENANCE WAS DISPATCHED TO THE A/C AND PERFORMED VISUAL CHECK AND OPS CHECK OF L-11 DOOR REF EMB 170 AMM 52-11-00 AND OPS CHECK GOOD.

Part: DOOR — OBSTRUCTED (CABIN) · airframe 15,997 hrs · 10,856 cycles

CREW REPORTED L-1 DOOR WASN'T CLOSING PROPERLY. MAINTENANCE CLEANED DEBRIS FROM DOOR AND LUBRICATED PER EMB AMM. L-1 DOOR RIG VERIFICATION ENGINEERING INSTRUCTION HAS BEEN ISSUED AND ACTIVE PRIOR TO THE LAST TWO WRITE-UPS.

Part: DOOR — LACK OF LUBE (CABIN) · airframe 15,984 hrs · 10,847 cycles

CREW REPORTED L-1 DOOR WAS DIFFICULT TO OPEN. MAINTENANCE LUBRICATED DOOR, AND PERFORMED OPS CHECKS OF L-1 DOOR PER EMB AMM.

Part: COVER — OUT OF ADJUST (L1 DOOR) · airframe 15,941 hrs · 10,821 cycles

CREW REPORTED L-1 DOOR WAS HARD TO OPEN. MAINTENANCE ADJUSTED DOOR FRAME INTERIOR SEAL COVER PER EMB AMM, AND NO DEFECTS FOUND.

Part: PANEL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 15,847 hrs · 10,755 cycles

DURING HEAVY CHECK VISIT FOUND LEVEL 2 CORROSION AT SUB TOPCOAT CORROSION CENTER SHEAR PANEL AT FR87-88 PAX CABIN FLOOR STRUCTURE. MAINTENANCE REPLACED THE SHEAR PANEL P/N 170-65928-001 IAW EMB 170 SRM. A/C IS STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 15,847 hrs · 10,755 cycles

WHILE A/C WAS IN FOR HEAVY CHECK FOUND SUB TOPCOAT CORROSION SPLICE PLATE AT O/B SIDE OF RIGHT SHEAR PANEL FR87-88.

Part: SPLICE — CORRODED (FUSELAGE) · corrosion level 2 · airframe 15,847 hrs · 10,755 cycles

WHILE A/C WAS IN FOR HEAVY CHECK FOUND LEVEL 2 CORROSION AT SUB TOPCOAT CORROSION ON CENTER INTERCOSTAL SPLICE PLATE AT FR 90 FLOORBEAM PAX CABIN. MAINTENANCE REPLACED THE SPLICE P/N 170-86119-005 IAW EMB 170 SRM. A/C IS STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: BEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 15,847 hrs · 10,755 cycles

WHILE AIRCRAFT WAS IN FOR HEAVY CHECK, LEVEL TWO CORROSION WAS FOUND ON PAX FLOOR LONG BEAM RT FROM FRAME 86-89 IN NUMEROUS AREAS. MAINTENANCE REMOVED AND REPLACED RT FLOOR LONG BEAM IAW EMB 170 SRM 51-40-00 & 51-43-01. A/C STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: FRAME — CORRODED (FUSELAGE) · corrosion level 2 · airframe 15,847 hrs · 10,755 cycles

WHILE AIRCRAFT WAS IN FOR HEAVY CHECK, LEVEL TWO CORROSION WAS FOUND ON FRAME 84 OUTBOARD OF LT SEAT TRACK. MAINTENANCE REMOVED CORROSION AND REPAIRED IAW EMB ETD 2010-170/06894 MATERIAL 7075 T6 .063 PO 315910. A/C STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: SUPPORT — CORRODED (FUSELAGE) · corrosion level 2 · airframe 15,847 hrs · 10,755 cycles

WHILE AIRCRAFT WAS IN FOR HEAVY CHECK, LEVEL TWO CORROSION WAS FOUND AT RIGHT LONG BEAM ON PAX FLOOR STRUCTURE AT FR 17. MAINTENANCE REMOVED AND REPLACED SEAT TRACK SUPPORT IAW EMB 170 SRM 51-41-00, 51-40-02, 51-41-02 & 51-43-01. A/C STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: SPLICE PLATE — CORRODED (FUSELAGE) · corrosion level 2 · airframe 15,847 hrs · 10,755 cycles

WHILE AIRCRAFT WAS IN FOR HEAVY CHECK, LEVEL TWO CORROSION WAS FOUND ON THE INTERCOSTAL SPLICE PLATE RT BETWEEN BEAMS AT FRAME 90 & 91. PAX CABIN FLOOR. MAINTENANCE REMOVED AND REPLACED GUSSET SPLICE IAW EMB 170 SRM 51-40-02, 51-40-04 & 51-41-02. A/C STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · corrosion level 2 · airframe 15,847 hrs · 10,755 cycles

WHILE AIRCRAFT WAS IN FOR HEAVY CHECK, LEVEL TWO CORROSION WAS FOUND ON FLOOR PANEL SUPPORT AT FRAMES 88, 89 & 90. LEFT O/B PAX CABIN FLOOR. MAINTENANCE REMOVED AND REPLACED FLOOR PANEL SUPPORT AT FRAMES 88-90 ON LEFT O/B PAX CABIN FLOOR IAW EMB 170 SRM 51-40-02. A/C STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: PANEL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 15,847 hrs · 10,755 cycles

WHILE AIRCRAFT WAS IN FOR HEAVY CHECK, LEVEL TWO CORROSION WAS FOUND ON LT SHEAR PANEL AT FR 87 & 88 PAX CABIN FLOOR. MAINTENANCE REMOVED AND INSTALLED NEW SHEAR PANEL IAW EMB 170 SRM 51-42-01. A/C STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 15,847 hrs · 10,755 cycles

WHILE AIRCRAFT WAS IN FOR HEAVY CHECK, CORROSION LEVEL TWO WAS FOUND ON LT SIDE OF FLOORBEAM AT FR 84 O/B FLOOR PANEL SUPPORT. MAINTENANCE REMOVED AND REPLACED LEFT SIDE OF FLOORBEAM PANEL SUPPORT AT FRAME 84 IAW EMB 170 SRM 51-41-02, 51-40-04 & 51-41-01. A/C STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: INTERCOSTAL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 15,847 hrs · 10,755 cycles

WHILE AIRCRAFT WAS IN FOR HEAVY CHECK, LEVEL TWO CORROSION WAS FOUND ON THE INTERCOSTAL BETWEEN FLOORBEAMS AT FRAME 90 & 91. MAINTENANCE REMOVED AND REPLACED THE INTERCOSTAL IAW EMB 170 SRM 51-40-02, 51-41-01, 51-41-02 & 51-41-04. A/C STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · corrosion level 2 · airframe 15,847 hrs · 10,755 cycles

WHILE AIRCRAFT WAS IN FOR HEAVY CHECK, LEVEL TWO CORROSION WAS FOUND ON THE RT CABIN FLOOR PANEL SUPPORT AT FRAME 88, 89 & 90. MAINTENANCE REMOVED & REPLACED THE FLOOR PANEL SUPPORT AT FRAME 88, 89 & 90 IAW EMB 170 SRM 51-41-01 & 51-43-03. A/C STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: SPLICE PLATE — CORRODED (FUSELAGE) · corrosion level 2 · airframe 15,847 hrs · 10,755 cycles

WHILE AIRCRAFT WAS IN FOR HEAVY CHECK, CORROSION LEVEL TWO WAS FOUND ON THE LT LONG BEAM SPLICE PLATE AT FRAME 90, PAX CABIN FLOOR. MAINTENANCE REMOVED AND REPLACED SPLICE PLATE IAW EMB 170 SRM 51-41-02 & 51-40-02. A/C STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: SPLICE PLATE — CORRODED (FUSELAGE) · corrosion level 2 · airframe 15,847 hrs · 10,755 cycles

WHILE AIRCRAFT WAS IN FOR HEAVY CHECK, LEVEL TWO CORROSION WAS FOUND ON SPLICE PLATE, RT PAX FLOOR STRUCTURE AT FRAME 91 CROSSBEAM. MAINTENANCE REMOVED AND REPLACED SPLICE PLATE IAW EMB 170 SRM 51-40-02, 51-40-04 & 51-41-02. A/C STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: STRUCTURE — CORRODED (LAVATORY SERVICE) · corrosion level 2 · airframe 15,847 hrs · 10,755 cycles

WHILE AIRCRAFT WAS IN FOR HEAVY CHECK, LEVEL TWO CORROSION WAS FOUND ON THE LAV DUMP BOX & RETAINING DOUBLER. MAINTENANCE REMOVED AND REPLACED WASTE DUMP BOX ASSEMBLY IAW EMB 170 SRM 51-40-02 & 51-43-02. A/C STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: BEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 15,847 hrs · 10,755 cycles

WHILE AIRCRAFT WAS IN FOR HEAVY CHECK, LEVEL TWO CORROSION WAS FOUND ON THE RT LONG BEAM BETWEEN FRAME 85 & 86, PAX CABIN FLOOR STRUCTURE. MAINTENANCE REMOVED AND REPLACED THE TOP SHEET AT FRAME 85 & 86 IAW EMB 170 SRM 51-40-02, 51-41-01, 51-41-02 & 51-43-03. A/C STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: SPLICE — CORRODED (FUSELAGE) · corrosion level 2 · airframe 15,847 hrs · 10,755 cycles

WHILE AIRCRAFT WAS IN FOR HEAVY CHECK, LEVEL TWO CORROSION WAS FOUND ON SPLICE O/B SIDE OF LT SHEAR PANEL AT FR 87 & 88, PAX CABIN FLOOR. MAINTENANCE REMOVED AND REPLACED SPLICE IAW EMB 170 SRM 51-42-02. A/C IS STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: SPLICE PLATE — CORRODED (FUSELAGE) · corrosion level 2 · airframe 15,847 hrs · 10,755 cycles

WHILE AIRCRAFT WAS IN FOR HEAVY CHECK, LEVEL TWO CORROSION WAS FOUND ON THE RT LONG BEAM SPLICE PLATE AT FRAME 90, PAX CABIN FLOOR. MAINTENANCE REMOVED AND REPLACED THE SPLICE PLATE IAW EMB 170 SRM 51-40-04 & 51-41-02. A/C STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · corrosion level 2 · airframe 15,847 hrs · 10,755 cycles

WHILE AIRCRAFT WAS IN FOR HEAVY CHECK, LEVEL TWO CORROSION WAS FOUND ON THE RIGHT O/B FLOOR PANEL SUPPORT AT FR 84. MAINTENANCE REMOVED AND REPLACED THE RIGHT O/B FLOOR PANEL SUPPORT IAW EMB 170 SRM 51-41-01, 51-40-04 & 51-41-02. A/C STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 15,847 hrs · 10,755 cycles

WHILE AIRCRAFT WAS IN FOR HEAVY CHECK, CORROSION LEVEL TWO WAS FOUND ON LT LONG BEAM IN PAX CABIN AT FRAME 86 - 89. MAINTENANCE REMOVED AND REPLACED THE LT FLOORBEAM AT FRAME 86 - 89 IAW EMB 170 SRM 51-41-01, 51-43-03 & 51-40-02. A/C STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: BEAM — DAMAGED (FUSELAGE) · airframe 15,847 hrs · 10,755 cycles

WHILE AIRCRAFT WAS IN FOR HEAVY CHECK, MAINTENANCE REPORTED A DEEP BLEND AND MISSING TOP COAT ON THE LT LONG BEAM PAX CABIN FLOOR STRUCTURE AT FR 17. MAINTENANCE PERFORMED MAJOR REPAIR ON FLOOR STRUCTURE AT FR 17 IAW ETD 2010-170/06852 AND EMB 170 SRM 2, 51-23-04, 51-23-05 AND 51-23-06. PARTS FABRICATED. REF PO 180901. A/C IS CURRENTLY STILL OUT OF SERVICE FOR HEAVY CHECK.

Part: SLIDE — UNSERVICEABLE (R2 DOOR) · airframe 15,847 hrs · 10,755 cycles

GENERATED WHILE A/C WAS IN HEAVY CHECK, MAINTENANCE REMOVED AND REPLACED R-2 EMERGENCY EVACUATION SLIDE PER EMB AMM, DUE TO LOOSE LACING.

Part: DOUBLER — CORRODED (POTABLE WATER) · corrosion level 2 · airframe 15,847 hrs · 10,755 cycles

WHILE THE AIRCRAFT WAS IN FOR HEAVY CHECK, LEVEL 2 CORROSION WAS FOUND AT POTABLE WATER BOX DOUBLER. MAINTENANCE REMOVED & REPLACED DOUBLER IAW EMB 170 SRM 51-43-04. A/C STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.

Part: DOOR — BINDING (CABIN) · airframe 15,784 hrs · 10,700 cycles

CREW REPORTED L-1 DOOR DIFFICULT TO OPEN FROM THE OUTSIDE. MAINTENANCE PERFORMED PASSENGER DOOR OPS CHECK PER EMB AMM, AND REPORTED NO DEFECTS WERE FOUND. ENGINEERING ISSUED RI521033 TO HAVE MAINTENANCE PERFORM FURTHER TROUBLESHOOTING FOR THIS ISSUE.

Part: RAMP — OUT OF ADJUST (L1 DOOR) · airframe 15,510 hrs · 10,474 cycles

CREW REPORTED L-1 DOOR HARD TO OPEN AND CLOSE. MAINTENANCE ADJUSTED THE DOOR CONTACT RAMPS PER EMB AMM. A/C WAS THEN RETURNED TO SERVICE.

Part: ROLLER — DIRTY (CABIN DOOR) · airframe 15,510 hrs · 10,474 cycles

CREW REPORTED L-1 DOOR HARD TO OPEN AND CLOSE. MAINTENANCE CLEANED AND LUBED MAIN CABIN DOOR ROLLERS AND PERFORMED PASSENGER DOOR LOCK TEST PER EMB AMM. A/C WAS THEN RETURNED TO SERVICE.

Part: ROLLER — DIRTY (CABIN DOOR) · airframe 15,420 hrs · 10,400 cycles

CREW REPORTED MAIN CABIN DOOR STICKS WHEN OPENING. MAINTENANCE CLEANED AND LUBED L-1 DOOR ROLLERS & TRACKS PER EMB AMM, AND PERFORMED OPS CHECKS OF L-1 DOOR.

Part: BEARING — LACK OF LUBE (L1 DOOR) · airframe 15,050 hrs · 10,140 cycles

CREW REPORTED L-1 DOOR WAS HARD TO OPEN. MAINTENANCE LUBED BEARINGS AND GUIDES FOR L-1 DOOR PER EMB AMM. ENG ISSUED AN ENGINEERING INSTRUCTION TO RIG L-1 DOOR.

Part: ROLLER — DIRTY (L1 DOOR) · airframe 15,019 hrs · 10,123 cycles

CREW REPORTED L-1 DOOR WAS HARD TO OPEN. MAINTENANCE CLEANED AND LUBRICATED THE L-1 DOOR ROLLERS PER EMB AMM AND REPORTED L-1 DOOR TO BE OPERATING NORMALLY.

Part: HEAT EXCHANGER — MALFUNCTIONED (AC BAY) · airframe 14,968 hrs · 10,095 cycles

CREW REPORTED PACK ISSUES, EMERGENCY WAS DECLARED AND CREW LOWERED ALTITUDE. CREW LANDED AT MKE WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT AND REMOVED AND REPLACED THE PACK 2 HEAT EXCHANGER AND ACM. A/C WAS THEN RETURNED TO SERVICE.

Part: DOOR — OUT OF RIG (L1) · airframe 14,130 hrs · 9,529 cycles

CREW REPORTED L-1 DOOR WILL NOT CLOSE, MAINTENANCE WAS DISPATCHED TO THE AIRCRAFT TO TROUBLESHOOT. MAINTENANCE RIGGED THE L-1 DOOR AND PUT IN A NEW SLIDE, AND REPLACED A HINGE PER EMB AMM.

Part: SLIDE — UNWANTED DEPLOY (L1 DOOR) · airframe 13,620 hrs · 9,226 cycles

THE CAPTAIN WENT TO OPEN THE L-1 DOOR ON 821 AND ACCIDENTALLY DEPLOYED THE SLIDE.

Part: STRUCTURE — DENTED (FUSELAGE) · airframe 11,391 hrs · 7,773 cycles

DENT AT FRAME 91 TO FRAME 92, STRINGER 21 RT AND 23 RT. PERFORMED MAJOR REPAIR PER EMBRAER ENGINEERING INSTRUCTION.

Part: OUTFLOW VALVE — FAILED (CABN PRESS SYS)

CREW REPORTED AT FLIGHT LEVEL 31,000 FEET, RECEIVED A CABIN HIGH ALTITUDE MESSAGE. CREW DEPLOYED OXYGEN MASK AND DESCENDED TO FLIGHT LEVEL 10,000 FEET AND DECLARED AND EMERGENCY AND DIVERTED TO TTS. MAINTENANCE REMOVED AND REPLACED THE OUTFLOW VALVE AND PLACED THE AIRCRAFT BACK INTO SERVICE. (A)

Part: FADEC — FAULTY (ZONE 200)

PIT - DUE TO HISTORY OF ENGINE 1, NO DISPATCH AND ENGINE 1 FADEC FAULT. REPLACE FADEC 1. MAINTENANCE REMOVED AND REPLACED NR 1 FADEC. NO FAULTS NOTED, OPERATIONAL CHECK IS GOOD.