N903FX

Part: PROXIMITY SWITCH — FAILED (ZONE 700) · airframe 33,682 hrs · 37,513 cycles

FLIGHT 7820, ENROUTE MSO-GTF AIR TURNBACK/DISCREPANCY: LANDING GEAR FAILED TO RETRACT ON CLIMB OUT. AIRCRAFT WAS RETURNED TO MSO. LANDED SAFELY AND NO EMERGENCY WAS DECLARED. MAINTENANCE DEFERRED THE ISSUE AND AIRCRAFT WAS RETURNED TO SERVICE. DEFERRAL WAS CLEARED BY REPLACING THE 55GB PROXIMITY SWITCH.

Part: COMPUTER — FAULTED (FLT CONTROL) · airframe 33,664 hrs · 37,481 cycles

FLT. 7820 ENROUTE MSO-GTF, AIR TURNBACK DISCREPANCY: ON CLIMB OUT, THE FLIGHT CONTROL LIGHT ILLUMINATED ON CAP ALONG WITH A STICK PUSHER FAULT. THE AIRCRAFT WAS RETURNED TO MSO. NO EMERGENCY WAS DECLARED AND LANDED WITHOUT FURTHER INCIDENT. CORRECTIVE ACTION: MAINTENANCE PERFORMED A SSFDR DOWNLOAD AND REPLACED THE CREW ALERTING COMPUTER IAW ATR-A-31-53-80-00001-520A/720A-A.

Part: CHANNEL — CORRODED (ZONE 600) · corrosion level 2 · airframe 33,644 hrs · 37,448 cycles

WO 262165 NR 600013 HEAVY CHECK COE/MAJOR DISCREPANCY: R/H AILERAON TRIM TAB TRAILING EDGE CLOSEOUT CHANNEL HAS LEVEL 2 CORROSION. CORRECTIVE ACTION: REPLACED CLOSEOUT CHANNEL PER ATR42 SRM 51-25-03.

Part: SPAR — CORRODED (ZONE 600) · corrosion level 2 · airframe 33,644 hrs · 37,448 cycles

WO 262165 NR 600012 HEAVY CHECK COE/MAJOR REPAIR: R/H UPPER WING RIB 13-21 REAR SPAR UPPER CHORD UPPER SURFACE HAS LEVEL 2 CORROSION. CORRECTIVE ACTION: REPAIRED PER SRAS S572K0045..25291 ISS A, DATED 4/18/2025.

Part: CHANNEL — CORRODED (ZONE 500) · corrosion level 2 · airframe 33,644 hrs · 37,448 cycles

WO 262165 NR 500015 HEAVY CHECK COE/MAJOR DISCREPANCY: L/H AILERON FIXED TAB TRAILING EDGE CLOSEOUT CHANNEL UPPER SURFACE HAS LEVEL 2 CORROSION. CORRECTIVE ACTION: REPLACED CLOSEOUT CHANNEL PER ATR42 SRM 51-25-02.

Part: FLOORBEAM — CORRODED (ZONE 100) · corrosion level 2 · airframe 33,644 hrs · 37,448 cycles

WO 262165 NR 100002 HEAVY CHECK COE/MAJOR DISCREPANCY: FLOORBEAM 39 OUTBOARD OF L/H SEAT TRACK UPPER FLANGE, TOP AND BOTTOM SIDES HAVE LEVEL 2 CORROSION. CORRECTIVE ACTION: REPAIRED PER ATR42 SRM 530000-300-867-A01.

Part: FLOORBEAM — CORRODED (ZONE 200) · corrosion level 2 · airframe 33,644 hrs · 37,448 cycles

WO 262165 NR 100001 HEAVY CHECK COE/MAJOR DISCREPANCY: FLOORBEAM 36 BETWEEN L/H SEAT TRACKS HAS LEVEL 2 CORROSION. CORRECTIVE ACTION: REPAIR PER ATR42 SRM 530000-300-867-A01 REV 131.

Part: SKIN — DENTED (HORIZONTAL STAB) · airframe 33,265 hrs · 37,121 cycles

WO 250268 NR 26, HAIL DAMAGE/DISCREPANCY: L/H HORIZONTAL STABILIZER UPPER SKIN HAS DENTS. CORRECTIVE ACTION: REPAIRED PER SRAS ES_00230417_07...23074 ISSUE A, DATED 3/29/2024.

Part: CHANNEL — CORRODED (RT AILERON) · corrosion level 2 · airframe 33,265 hrs · 37,121 cycles

R/H AILERON FIXED T/E CLOSEOUT CHANNEL HAS LEVEL 2 CORROSION DAMAGE. REPLACED PER ATR42 SRM 51-25-03.

Part: DOUBLER — DENTED (ZONE 200) · airframe 33,265 hrs · 37,121 cycles

WO 250268 NR 30, HAIL DAMAGE/DISCREPANCY: UPPER SKIN ELT ANTENNA DOUBLER FRAME 30-31 HAS DENTS. CORRECTIVE ACTION: REPLACED DOUBLER PER E.O. 2560-08.

Part: SKIN — DAMAGED (ZONE 200) · airframe 33,126 hrs · 36,961 cycles

WO 242861 NR 2 HEAVY CHECK COE/MAJOR REPAIR: EXTERNAL FUSELAGE, SKIN PANEL AFT OF FRAME 22 AT STRINGER 21L SKIN DAMAGED DURING RIVET INSTALLATION. CORRECTIVE ACTION: DOUBLER REPAIRED PER ATR42 SRM 530000-300-805-A01.

Part: FLANGE — GOUGED (ZONE 200) · airframe 33,126 hrs · 36,961 cycles

WO 242858 NR 200135 HEAVY CHECK COE/MAJOR REPAIR: INTERIOR FUSELAGE - STRINGER 2A L/H HAS GOUGE ON LOWER FLANGE FWD OF FRAME 19. CORRECTIVE ACTION: SPLICED IN NEW STRINGER SECTION PER ATR42 SRM 530000-300-826-A01 REV. 125.

Part: DOUBLER — DAMAGED (ZONE 200) · airframe 33,126 hrs · 36,961 cycles

WO 242858 NR 200134 HEAVY CHECK COE/MAJOR REPAIR: R/H FUSELAGE SKIN DOUBLER ABOVE REFUELING PANEL BETWEEN FRAMES 23-24 AND STRINGERS 12-23A HAS DAMAGE. CORRECTIVE ACTION: REPLACED DOUBLER PER ATR SRAS ES_00209616_01...20192 ISSUE A, DATED 3/1/2023.

Part: PANEL — GOUGED (ZONE 100) · airframe 33,126 hrs · 36,961 cycles

WO 242858 NR 100031 HEAVY CHECK COE/MAJOR REPAIR: FUSELAGE CENTER AFT KEEL PANEL AT FRAME 23 HAS GOUGE NEAR FASTENER HOLE BETWEEN STRINGERS 20L - 21L. CORRECTIVE ACTION: REPAIRED PER SRAS ES_00209484_01...20172 ISSUE A, DATED 3-1-2023.

Part: FLOORBEAM — CRACKED (NOT ENTERED) · airframe 33,126 hrs · 36,961 cycles

WO 242858 NR 100019 HEAVY CHECK COE/MAJOR REPAIR: INTERIOR FUSELAGE, L/H LONGITUDINAL FLOORBEAM CRACKED AFT OF FRAME 20. CORRECTIVE ACTION: FLOORBEAM SPLICE REPAIR PER EMPIRE AIRLINES E.O. 5315-01 REV. G.

Part: FLOORBEAM — CRACKED (ZONE 100) · airframe 33,126 hrs · 36,961 cycles

WO 242858 NR 100021 HEAVY CHECK COE/MAJOR REPAIR: INTERIOR FUSELAGE, R/H LONGITUDINAL FLOORBEAM IS CRACKED FWD OF FRAME 23. CORRECTIVE ACTION: FLOORBEAM SPLICE REPAIR AT FRAME 23 PER EMPIRE AIRLINES E.O. 5315-01 REV. G.

Part: STRINGER — CORRODED (ZONE 200) · corrosion level 2 · airframe 33,126 hrs · 36,961 cycles

WO 242858 NR 200088 HEAVY CHECK COE/MAJOR REPAIR: INTERNAL FUSELAGE STRINGER 6R HAS LEVEL 2 CORROSION BETWEEN FRAMES 17 - 19, STRINGER COUT OUT BETWEEN FRAMES 15 - 21. CORRECTIVE ACTION: STRINGER SPLICE REPAIR WITH ADDITIONAL SPLICE AT INTERCOSTAL LOCATION BETWEEN FRAMES 18-19 PER SRAS ES_00212506_01...20408 ISSUE A, DATED 3/17/2023.

Part: PROXIMITY SWITCH — DIRTY (EMERGENCY DOOR) · airframe 32,967 hrs · 36,826 cycles

DISCREPANCY: EMERGENCY DOOR (HATCH) UNLOCK LIGHT ILLUMINATED DURING TAXI. CORRECTIVE ACTION: MAINTENANCE CLEANED PROXIMITY SWITCH FACE AND TARGET PLATE AND CLEANED CANNON PLUG. ADJUSTED PROXIMITY SWITCH TARGET PLATE. OPS CHECK GOOD.

Part: FRAME — DAMAGED (FRM 28) · airframe 31,831 hrs · 35,501 cycles

WO 195207 NR 1 HEAVY CHECK COE/MAJOR REPAIR: CARGO COMPARTMENT, FRAME 28 STRINGERS 16-17 R/H & L/H, DAMAGED. CORRECTIVE ACTION: REPAIRED PER SRAS ES_0091317_01...13977 DATED 2/6/2019.

Part: STRINGER — CRACKED (FUSELAGE) · airframe 31,831 hrs · 35,501 cycles

WO 193109 NR 200092 HEAVY CHECK COE/MAJOR REPAIR: STRINGER 1L IS CRACKED AT FRAME 34. CORRECTIVE ACTION: STRINGER SPLICE REPAIR PER SRM 530000-300-826-A01.

Part: FRAME — CRACKED (FUSELAGE) · airframe 31,831 hrs · 35,501 cycles

WO 193109 NR 200079 HEAVY CHECK COE/MINOR REPAIR: L/H FRAME 26 IS CRACKED AT STRINGER 13L. CORRECTIVE ACTION: FRAME REPLACED WITH NEW PART.

Part: FLOOR SUPPORT — CRACKED (FUSELAGE) · airframe 31,831 hrs · 35,501 cycles

WO 193109 NR 100038 HEAVY CHECK COE/MAJOR REPAIR: LT LONGITUDINAL FLOORBEAM CRACKED BETWEEN FRAMES 31-32. CORRECTIVE ACTION: FLOORBEAM REPAIRED PER E.O. 5315-01.

Part: SHEAR TIE — CRACKED (FUSELAGE) · airframe 31,831 hrs · 35,501 cycles

WO 193109 NR 200081 HEAVY CHECK COE/MINOR REPAIR: LT FRAME 26 SHEAR TIE IS CRACKED AT STRINGER 12L-13L. CORRECTIVE ACTION: REPLACED WITH NEW PART.

Part: SHEAR TIE — CRACKED (FUSELAGE) · airframe 31,831 hrs · 35,501 cycles

WO 193109 NR 200082 HEAVY CHECK COE/MINOR REPAIR: FRAME 26 SHEAR TIE CRACKED STRINGER 12R - 13R. CORRECTIVE ACTION: SHEAR TIE REPLACED.

Part: CREASE BEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 31,831 hrs · 35,501 cycles

HEAVY CHECK COE/MAJOR REPAIR: LEVEL 2 CORROSION ON RT CREASED BEAM WEB FORWARD OF FRAME 23. REPAIRED PER ES_0091377_01...13990.

Part: CREASE BEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 31,831 hrs · 35,501 cycles

WO 193109 NR 100042 HEAVY CHECK COE/MINOR REPAIR: LT CREASE BEAM WEB UPPER SURFACE HAS LEVEL 2 CORROSION ON FRAMES 28-29. CORRECTIVE ACTION: REPLACED WEB WITH NEW PART.

Part: FRAME — CRACKED (FUSELAGE) · airframe 31,831 hrs · 35,501 cycles

WO 193109 NR 200080 HEAVY CHECK COE/MINOR REPAIR: RT FRAME 26 CRACKED AT STRINGER 13R. CORRECTIVE ACTION: REPLACED FRAME WITH NEW PART.

Part: FLOOR SUPPORT — CRACKED (FUSELAGE) · airframe 31,831 hrs · 35,501 cycles

WO 193109 NR 100046 HEAVY CHECK COE/MAJOR REPAIR. LT LONGITUDINAL FLOORBEAM CRACKED BETWEEN FRAMES 24-25. CORRECTIVE ACTION: REPAIRED PER EO 5315-01.

Part: STRINGER — CRACKED (FUSELAGE) · airframe 31,831 hrs · 35,501 cycles

WO 193109 NR 200091 HEAVY CHECK COE/MAJOR REPAIR: STRINGER 2R IS CRACKED AT FRAME 34. CORRECTIVE ACTION: STRINGER SPLICE REPAIR PER SRM 530000-300-826-A01.

Part: SKIN PANEL — DELAMINATED (RT HORIZ STAB) · airframe 31,831 hrs · 35,501 cycles

HEAVY CHECK COE/MAJOR REPAIR: DELAMINATION ON RT STABILIZER LOWER SKIN PANEL. REPAIRED PER ES_0091773_01...14065, DATED 2/7/2019.

Part: FRAME — NOT REPORTED (FUSELAGE) · airframe 31,831 hrs · 35,501 cycles

HEAVY CHECK COE/MAJOR REPAIR: PERMANENT REPAIR OF RT FRAME 23A LOWER FLANGE. REPAIR PER SRAS CETS-195/17...11036 ISSUE B.

Part: SKIN — CORRODED (FRAMES 16-17) · corrosion level 2 · airframe 31,275 hrs · 34,806 cycles

CORROSION ON INTERIOR SKIN, UNDER INSULATION STAND OFF BETWEEN FRAMES 16-17 STRINGERS 5A-6. REPAIR IAW SRM 53-00-00-300-803-A01.

Part: STRINGER — DAMAGED (FUSELAGE) · airframe 31,275 hrs · 34,806 cycles

HEAVY CHECK COE/MAJOR REPAIR: STRINGER 12R IS DAMAGED BETWEEN FRAMES 39-40. STRINGER REPAIR IAW SRM 530000-300-826-A01.

Part: SKIN — DENTED (FUSELAGE) · airframe 31,275 hrs · 34,806 cycles

HEAVY CHECK COE/MAJOR REPAIR: DENT, 3.5" FWD OF FRAME 42, 1.2" BELOW SKIN LAP. REPAIR PER SRAS ES-253/17.11047 DATED 1/27/2017.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 31,275 hrs · 34,806 cycles

HEAVY CHECK COE/MAJOR REPAIR: LT FLOORBEAM 7 HAS LEVEL 2 CORROSION OUTBOARD OF THE CAPTAIN'S SEAT FITTING NEAR AN EXISTING REPAIR. REPAIRED PER SRAS S531R0169.11075 DATED 2/7/2017.

Part: DOUBLER — DAMAGED (LT NACELLE) · corrosion level 2 · airframe 31,275 hrs · 34,806 cycles

HEAVY CHECK COE/MAJOR REPAIR. LT ENGINE NACELLE UNDERWING BOX, LT SHEET METAL DOUBLER HAS LEVEL 2 FRETTING DAMAGE. REPAIRED PER SRAS CETS-111/17.11017 DATED 1/16/2017.

Part: FRAME — CORRODED (FRM 23A) · corrosion level 2 · airframe 31,275 hrs · 34,806 cycles

RIGHT FRAME 23A LOWER FLANGE HAS CORROSION FROM CONTACT WITH PANEL 192FR. REPAIRED IAW CETS-195/17.

Part: FLOOR SUPPORT — CRACKED · airframe 31,275 hrs · 34,806 cycles

RIGHT OUTBOARD LONGITUDINAL FLOORBEAM IS CRACKED JUST FWD OF FRAME 33. REPAIRED IAW E.O. 5315-01.

Part: STRINGER — CORRODED (FRAMES 15-17) · corrosion level 2 · airframe 31,275 hrs · 34,806 cycles

STRINGER 2A LT HAS AREAS OF CORROSION BETWEEN FRAMES 15-17. REPAIRED IAW SRM 530000-300-826-A01.

Part: SPAR — LEAKING (LT WING) · airframe 31,275 hrs · 34,806 cycles

HEAVY CHECK COE/MAJOR REPAIR. LT WING AT LOWER REAR SPAR LEAKS FUEL AT RIB 13. REPAIRED PER SRAS CETS-245/17...11105 DATED 2/7/2017.

Part: CHANNEL — CORRODED (LT AILERON) · corrosion level 2 · airframe 31,275 hrs · 34,806 cycles

LEFT AILERON TRAILING EDGE CLOSE OUT CORRODED. REPLACED CHANNEL CLOSING TEE.

Part: STIFFENER — CORRODED (NLG DOOR) · corrosion level 2 · airframe 31,275 hrs · 34,806 cycles

NOSE GEAR LT AFT DOOR FORWARD EDGE BRACKET IS CORRODED. REPLACED THE STIFFENER.

Part: FRAME — GOUGED (FUSELAGE) · airframe 30,662 hrs · 34,030 cycles

FRAME 6 HAD TOOLING GOUGES NEAR THE WINDOW SUPPORT STRUCTURE AT WL 3553. REPAIR IAW SRAS DT S-109 15 8933 ISSUE B 1/23/2015.

Part: SKIN — CHAFED (RT WING) · airframe 30,662 hrs · 34,030 cycles

RIGHT WING LOWER SKIN AT THE RIB 8 FLAP ARM FAIRING MOUNT AREA WAS CHAFING. REPAIR IAW SRAS DT S-215 15 8967 ISSUE A 1/23/2015.

Part: SPAR — DAMAGED (RT WING) · corrosion level 2 · airframe 30,662 hrs · 34,030 cycles

HEAVY CHECK COE & MAJOR REPAIR. RIGHT LOWER SPAR FLANGE HAS FRETTING DAMAGE FROM PANEL 292CR. REPAIR IAW SRAS DT S-87 15 8936 ISSUE DATED 1/16/2015.

Part: SKIN — CORRODED (FUSELAGE) · corrosion level 2 · airframe 30,662 hrs · 34,030 cycles

HEAVY CHECK COE & MAJOR REPAIR. EXTERIOR SKIN HAS AREA OF LEVEL 2 CORROSION AROUND FASTENER BETWEEN FRAME 20 & 21, UPPER CROWN SKIN PANEL AT STRINGER 4L. REPAIR IAW SRAS DT S-164 15 8938 ISSUE A 1/16/2015.

Part: SPAR — WORN (LT WING) · corrosion level 2 · airframe 30,662 hrs · 34,030 cycles

WORK ORDER 141851 NR 500005 HEAVY CHECK COE & MAJOR REPAIR. LT WING BOX FWD LOWER SPAR FLANGE HAS WEAR DAMAGE FROM CONTACT WITH PANEL 291CL. REPAIR IAW SRAS DT S-77 15 8935 DATED 1/15/2015.

Part: INTERCOSTAL — CRACKED (FUSELAGE) · airframe 30,142 hrs · 33,385 cycles

HEAVY CHECK COE/MINOR REPAIR: INTERCOSTAL CRACKED AT AFT SIDE OF FRAME 24 BETWEEN STRINGER RT 2A-3. REPLACED WITH OEM PART.

Part: STRINGER SPLICE — CORRODED (FUSELAGE) · corrosion level 2 · airframe 30,142 hrs · 33,385 cycles

HEAVY CHECK COE/MINOR REPAIR: LEVEL 2 CORROSION FOUND ON STRINGER SPLICE 11L FWD OF FR 42. REPLACE STRINGER SPLICE PER ATR 42 SRM 53-81-23.

Part: STRINGER — CORRODED (ZONE 100) · corrosion level 2 · airframe 26,854 hrs · 30,142 cycles

DURING HEAVY CHECK, CORROSION FOUND ON STRINGER 18R BETWEEN FR 28-29. STRINGER FABRICATED AND REPLACED PER SRM 51-25-01.

Part: SEAT TRACK — CORRODED (FUSELAGE) · corrosion level 2 · airframe 30,142 hrs · 33,385 cycles

HEAVY CHECK COE/MAJOR REPAIR: CORROSION AND MISSING SURFACE PROTECTION ON LEFT I/B SEAT TRACK BETWEEN FR14-16. MAJOR REPAIR PER ATR 42 SRM 53-00-00.

Part: FLOOR SUPPORT — CRACKED (FUSELAGE) · airframe 30,142 hrs · 33,385 cycles

HEAVY CHECK COE/MAJOR REPAIR: CRACKED CARGO MOD LONGITUDINAL FLOORBEAM ON BOTH SIDES OF FLOORBEAM 17, LOCATED BETWEEN LEFT INBD AND OUTBD SEAT TRACKS. REPAIR IAW EA EO5315-01 REV D.

Part: STRINGER — CORRODED (FUSELAGE) · corrosion level 2 · airframe 30,142 hrs · 33,385 cycles

HEAVY CHECK COE/MAJOR REPAIR: CORROSION ON STR 15R BETWEEN FR 35-36. REPAIR STR 15R BETWEEN FR 35-36 REF ATR 42 SRM 53-00-00.

Part: STIFFENER — CORRODED (FUSELAGE) · corrosion level 2 · airframe 29,376 hrs · 32,503 cycles

SUPPLEMENT: HEAVY CK / COE / MINOR REPAIR / LEVEL 2 CORROSION: FORWARD PRESSURE BULKHEAD, RIGHT O/B VERTICAL STIFFENER TOP HAS AREA OF CORROSION. REMOVED CORROSION, REMOVED AND REPLACED CLIP.

Part: FLOORBEAM — CRACKED (FUSELAGE) · airframe 29,376 hrs · 32,503 cycles

HEAVY CHECK/COE/DAMAGED FLOOR BEAM: DISCOVERED CRACKED RIGHT LONGITUDINAL FLOORBEAM AFT OF FRAME 26. FABRICATED NEW SECTION AND SPLICES. DRILLED NEW FLOORBEAM AND SPLICES. ALODINED, PRIMED, AND TOPCOATED FLOORBEAM AND SPLICES. INSTALLED LONGITUDINAL FLOORBEAM BETWEEN FRAMES 25 AND 27.

Part: FLOORBEAM — CRACKED (FUSELAGE) · airframe 29,376 hrs · 32,503 cycles

HEAVY CK COE / MAJOR REPAIR: FLOORBEAM 22 UPPER FLANGE IS CRACKED OUTBOARD OF THE RT OUTBOARD SEAT TRACK. REPAIRED FLOORBEAM 22 IAW ATR72 SRM.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 29,376 hrs · 32,503 cycles

HEAVY CK COE / MAJOR REPAIR: DENT OUT OF LIMITS 2.0 INCHES AFT OF FRAME 11, NEAR STR 15L. REMOVED DAMAGED SKIN, FABRICATED AND INSTALLED REPAIR DOUBLER IAW ATR72 SRM.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 29,376 hrs · 32,503 cycles

HEAVY CK COE / MAJOR REPAIR / LEVEL 2 CORROSION: FLOORBEAM 17 IS CORRODED ON THE UPPER AND LOWER SURFACE OF THE UPPER FLANGE BETWEEN LT INBOARD AND LT OUTBOARD SEAT TRACKS.(LENGTH 1.25, WIDTH .300, DEPTH .015 INCH). REMOVED CORROSION, FABRICATED AND INSTALLED NEW FLOORBEAM AND 4 EA SPLICE PLATES IAW ATR42 SRM.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 29,376 hrs · 32,503 cycles

NR 4 HEAVY CK COE / MAJOR REPAIR: SKIN DAMAGED BY DROPPED TOOL BETWEEN FRAMES 8-9 AND STR 20-21R. REMOVED DAMAGE, FABRICATED AND INSTALLED DOUBLER IAW ATR42 SRM.

Part: CREASE BEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 29,376 hrs · 32,503 cycles

HEAVY CK COE / LEVEL 2 CORROSION: LT CREASE BEAM INNER CHORD FR 17 - 22 CORRODED (LENGTH 4.00, WIDTH .700, DEPTH .013 INCH). REMOVED CORROSION, REMOVED AND REPLACED LT INNER CHORD IAW ATR42 SRM.

Part: CREASE BEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 29,376 hrs · 32,503 cycles

HEAVY CK COE / LEVEL 2 CORROSION: RT CREASE BEAM INNER CHORD HAS THREE SMALL AREAS OF CORROSION FR 18-22. REMOVED CORROSION; REMOVED AND REPLACED CREASE BEAM INNER CHORD IAW ATR SRM.

Part: CREASE BEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 29,376 hrs · 32,503 cycles

HEAVY CK COE / MAJOR REPAIR / LEVEL 2 CORROSION: RT CREASE BEAM WEB FR 18-19 CORRODED ON UPPER AND LOWER SURFACES WITH A TOOLING MARK ON UPPER SURFACE (LENGTH 1.0', WIDTH .400"). REMOVED CORROSION AND TOOLING MARK, FABRICATED AND INSTALLED RT CREASE BEAM WEB IAW ATR42 SRM.

Part: FRAME — DAMAGED (FUSELAGE) · airframe 29,376 hrs · 32,503 cycles

HEAVY CK COE / MAJOR REPAIR: PERFORM CUTOUT AND SRM REPAIR TO FRAME 44 TO ACCESS PRESSURE BULKHEAD TO FOM. (REF: NR 100029) PERFORMED CUTOUT; FABRICATED AND INSTALLED LT AND RT REPAIR SPLICES, LT AND RT UPPER AND LOWER ANGLE SPLICE PER ATR SRM.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 29,376 hrs · 32,503 cycles

HEAVY CK COE / MAJOR REPAIR / LEVEL 2 CORROSION: CORROSION ON UPPER FLANGE OF FLOORBEAM 9 AT PILOTS/COPILOTS SEAT FITTINGS. REPAIR PER STRUCTURAL REPAIR INSTRUCTIONS AND STRUCTURAL REPAIR APPROVAL SHEET FROM ATR.

Part: CREASE BEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 29,376 hrs · 32,503 cycles

HEAVY CK COE / MAJOR REPAIR / LEVEL 2 CORROSION: LT CREASE BEAM INNER CHORD SPLICE FR 23 HAS CORROSION (LENGTH 6.5", WIDTH .910 ", DEPTH .025"). REMOVED CORROSION FROM CHORD SPLICE. FABRICATED AND INSTALL NEW REPLACEMENT LT CREASE BEAM CHORD SPLICE IAW ATR72 SRM.

Part: CREASE BEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 29,376 hrs · 32,503 cycles

HEAVY CK COE / MAJOR REPAIR / LEVEL 2 CORROSION: RT CREASE BEAM WEB FR 17-18 IS CORRODED ON THE UPPER AND LOWER SURFACES (LENGTH .750", WIDTH .200", DEPTH .020"). REMOVED CORROSION, VERIFIED CRACK FREE; FABRICATED AND INSTALLED REPLACEMENT CREASE BEAM WEB FR 17-18.

Part: SKIN — DAMAGED (FUSELAGE) · airframe 29,376 hrs · 32,503 cycles

HEAVY CK COE / MAJOR REPAIR: LOWER SKIN MOUNT SURFACE FOR DME 2 ANTENNA HAS TOOLING MARKS BY THE FORWARD LT NUT PLATE. BLENDED TOOLING MARKS BY FWD LT NUT PLATE AT DME 2 ANTENNA; FABRICATED AND INSTALLED REPAIR DOUBLER & MATCHED DRILLED SKIN, INSTALLED DME ANTENNA.

Part: FRAME — CORRODED (FUSELAGE) · corrosion level 2 · airframe 29,376 hrs · 32,503 cycles

HEAVY CK COE / LEVEL 2 CORROSION / MAJOR REPAIR: RT FR 25 HAS A SMALL AREA OF CORROSION ON THE AFT SIDE AT FLOOR LEVEL (LENGTH: .4", WIDTH .4", DEPTH .040"). CORROSION DAMAGE ON FRAME 25 RT FLOOR LEVEL BLENDED AND MAPPED. REPAIRED PER STRUCTURAL REPAIR INSTRUCTIONS PER ATR.

Part: CREASE BEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 29,376 hrs · 32,503 cycles

HEAVY CK COE / LEVEL 2 CORROSION: LT CREASE BEAM WEB FR 17-18 CORRODED ON UPPER SURFACE. REMOVED CORROSION PER SRM; REPLACED CREASE BEAM WEB WITH OEM COMPONENT.

Part: CREASE BEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 29,376 hrs · 32,503 cycles

HEAVY CK COE / LEVEL 2 CORROSION: RT CREASE BEAM INNER CHORD FR 22-23 CORRODED. REMOVED CORROSION PER SRM. INSTALLED OEM RT CREASE BEAM INNER CHORD FR 13-FR 23 PER ATR42 SRM.

Part: PLATE — CORRODED (COCKPIT) · corrosion level 2 · airframe 29,376 hrs · 32,503 cycles

HEAVY CK COE / MAJOR REPAIR / LEVEL 2 CORROSION: FLOOR PLATE FOR PILOTS SEAT HAS PITTING CORROSION TOP SURFACE COMMON TO SEAT MOUNT LOCATIONS. REMOVED CORROSION, REMOVED AND REPLACED SEAT FITTINGS.

Part: PLATE — CORRODED (FUSELAGE) · corrosion level 2 · airframe 29,376 hrs · 32,503 cycles

HEAVY CK COE / MAJOR REPAIR / LEVEL 2 CORROSION: FLOOR PLATE RT SEAT HAS SEVERAL AREAS OF PITTING CORROSION TOP SURFACE COMMON TO SEAT MOUNT LOCATIONS. REMOVED CORROSION, REMOVED AND REPLACED SEAT FITTINGS.

Part: CREASE BEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 29,376 hrs · 32,503 cycles

HEAVY CHECK / COE / CORROSION LEVEL 2: REMOVED CORROSION IAW ATR 42 SRM. REMAINING MATERIAL THICKNESS FOUND TO BE OUT OF LIMITS. REMOVED WEB, LOCATED, MATCH-DRILLED AND DEBURRED NEW WEB. INSTALLED WEB, LT CREASE BEAM WEB 17 - 18.

Part: FLOORBEAM — DAMAGED (FUSELAGE) · airframe 29,376 hrs · 32,503 cycles

HEAVY CHECK / COE / MAJOR REPAIR: WHILE WORKING REPAIR ON LONGITUDINAL FLOORBEAM AT FR 26 & 25.5 RBL FOUND INTERSECTING FASTENER HOLES IN TOP FLANGE OF FLOORBEAM 26. REPAIRED PER SRM / COMPLEX BUT CONSIDERED MINOR REPAIR.

Part: ACTUATOR — DEFECTIVE (RT MLG) · airframe 28,660 hrs · 31,720 cycles

TRAINING FLIGHT 100: NOSE GEAR DID NOT RETRACT AFTER TAKEOFF AND MAIN RETRACTED SLOWLY AND ONE AT A TIME. MX REMOVED AND REPLACED NLG ACTUATOR. OPS TEST FLIGHT WAS PERFORMED AND REVEALED EXCESSIVE RETRACTION TIME. MX REMOVED AND REPLACED RT MLG ACTUATOR. PERFORMED MULTIPLE GEAR SWINGS. OPS CHECKED GOOD AND ACFT RETURNED TO SERVICE.

Part: SKIN PANEL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 28,488 hrs · 31,586 cycles

FOUND IN COE. MAJOR REPAIR, LEVEL 2 CORROSION. CORROSION FOUND ON INNER FUSELAGE SKIN, UNDER STRINGER 19L BETWEEN FRAMES 33L & 34L. BLEND OUT OF CORROSION ON SKIN BEYOND ALLOWABLE LIMIT. CUT OUT DAMAGED SECTION OF SKIN. INSTALLED DOUBLER AND FILLER UNDER STRINGER BETWEEN FRAMES 33 AND 34.

Part: STRINGER — CORRODED (ZONE 100) · corrosion level 2 · airframe 28,488 hrs · 31,586 cycles

MAJOR REPAIR, LEVEL 2 CORROSION. CORROSION FOUND UNDER STRINGER 19L BETWEEN FRAMES 33L AND 34L. CUT STRINGER 6 INCHES FWD OF FRAME 33 AND 6 INCHES AFT OF FRAME 34. SPLICED IN A NEW SECTION OF STRINGER FROM FWD OF FRAME 33 TO AFT OF FRAME 34.

Part: SKIN — CORRODED (FUSELAGE) · airframe 28,386 hrs · 31,480 cycles

MAJOR REPAIR & LEVEL 2 CORROSION. LT LOWER BELLY SKIN INNER SURFACE IS CORRODED BELOW RECIRCULATION DUCT SUPPORT ON FRAME 24. S/D ATR SRAS (STRUCTURAL REPAIR APPROVAL SHEET) WITH REPAIR INSTRUCTION DO/TS-4977/08-10961 ISSUED FOR DAMAGE REMOVAL & REPAIR. CORROSION REMOVED BY BLENDING. REWORKED AREA CONTOUR RESTORED WITH FILLER COMPOUND.

Part: FRAME — CORRODED (ZONE 100) · corrosion level 2 · airframe 28,386 hrs · 31,480 cycles

MAJOR REPAIR & LEVEL 2 CORROSION. LT LOWER FRAME 24 SEGMENT IS CORRODED BELOW RECIRCULATION DUCT SUPPORT. S/D CUT THE FRAME ASSY WITH A STEPPED CUT FROM STRINGER 16L TO 16R AND FROM STRINGER 17L TO 17R. SPLICED IN NEW FRAME ASSEMBLY WITH SPLICES AT STRINGERS 16 & 17 L & R.

Part: OIL CAP — UNSECURE (NR 1 ENGINE)

AIR TURNBACK, & ENG SHUTDOWN: FLT 8813 CPR TO JAC: ON CLIMBOUT FROM CPR AT APPROXIMATELY 500 FT AGL. THE CREW NOTICED FLUCTUATING OIL PRESSURE ON THE NR 1 ENG FOLLOWED BY AN AUDIO MASTER WARNING AND LOW OIL PRESSURE LIGHT. A PRECAUTIONARY ENG SHUTDOWN OF NR 1 ENG WAS PERFORMED. THE RETURN TO CPR WAS MADE WITHOUT INCIDENT. INSPECTION OF THE NR 1 ENG FOUND THE ENG OIL CAP PARTIALLY OFF. AN ENG LOW OIL PRESSURE INSPECTION WAS PERFORMED. INSPECTION OF THE OIL CAP FOUND NO DEFECTS. SERVICED ENG OIL SYSTEM & REINSTALLED OIL CAP. (S)

Part: WINDSHIELD — CRACKED (COCKPIT)

AIR TURNBACK, FLT NR 100. ON CLIMB OUT, THE FO WINDSHIELD CRACKED. CABIN PRESSURE WAS REDUCED AND THE WINDSHIELD HEAT WAS TURNED OFF. THE CREW ELECTED TO RETURN TO DEPARTURE. THE AC MADE A SAFE AND NORMAL FLIGHT AND LANDING. REPLACED RT WINDSHIELD. (K)

Part: STRINGER — CORRODED (FUSELAGE)

DURING HEAVY CHECK, MAINTENANCE FOUND CORROSION ALONG STRINGER 16R BETWEEN FRAME 22 AND FRAME 23. THE STRINGER WILL NEED TO BE INSTALLED IN SECTIONS WITH REPAIR SLICES. THIS WILL RESULT IN A MAJOR REPAIR. REMOVED STRINGER 16R FROM FRAME 22 TO FRAME 23. INSTALLED NEW STRINGER SECTION AND FABRICATED STRINGER SPLICE AT STRINGER 16R BETWEEN FRAME 22 AND FRAME 23 IAW ATR42 SRM. (M)

Part: FITTING — CORRODED (FUSELAGE)

AREAS OF LEVEL 2 CORROSION ON FORWARD OUTBOARD CORNER OF RIGHT MAIN LANDING GEAR BULKHEAD FRONT SPAR ON FRAME 25. BLENDED OUT CORROSION AND REINFORCED FITTING AND STRAP. COMPLIED WITH SB ATAR42-53-0155 ON RT SIDE AND FOUND SB ATR42-53-0155 PCW ON LT SIDE. REPAIRS ARE PERMANENT PER SRAS DO/TS-682/07, 4002. (M)

Part: STRINGER — CORRODED (FUSELAGE)

DURING HEAVY CHECK MAINTENANCE, FOUND AREAS OF LEVEL 2 CORROSION ALONG STRINGER 17R FROM FRAME 15 TO 23 WITH A MAXIMUM DEPTH OF .010 INCH. THE STRINGER WILL NEED TO BE INSTALLED IN SECTIONS WITH REPAIR SLICES. THIS WILL RESULT IN A MAJOR REPAIR. (M)

Part: BULKHEAD — CRACKED (FUSELAGE)

DURING HEAVY CHECK, FOUND CRACK ON FRAME 25 LT AND RT OUTBOARD LOWER SIDE OF HYDRAULIC LINE CUTOUT. MAINTENANCE FOUND SB ATR42-53-0120 HAD BEEN PREVIOUSLY COMPLIED WITH. COMPLIED WITH SB ATR42-53-0121 ON BOTH LT AND RT SIDES FOR FRAME 25 HYDRAULIC LINES CUT OUT. VERIFIED CRACKS HAD NOT EXTENDED FURTHER PAST PREVIOUSLY COLD WORKED STOP DRILLED HOLES. (M)

Part: SILL — CORRODED (FUSELAGE)

DURING HEAVY CHECK MAINTENANCE, FOUND CORROSION ON LT AND RT UPPER SURFACES OF LOWER SIDEBOX AT STRINGER 14 CREASEBEAM BETWEEN FRAME 26 AND 27. REMOVED CORROSION AND REPAIRED IAW SRI DO/TS-709/07-8327 AND DO/TS-709/07-8327 WITH REFERENCE TO SRAS DOTS-640/07, 3981 ISSUE A FOR FINAL APPROVAL OF REPAIR. TWO YEAR REINSPECTION (DVI) REQUIRED BY ISSUED SRAS. (M)

Part: STRINGER — CORRODED (FUSELAGE)

DURING HEAVY CHECK, FOUND CORROSION ON LT MLG KEEL BEAM SPECIAL STRINGER FROM FRAME 25 TO FRAME 27. REMOVED CORROSION FROM KEEL BEAM STRINGER 21. REMOVED AND REPLACED SPECIAL STRINGER 21 IAW ATR42 SRM. (M)

Part: WINDOW FRAME — DENTED (FUSELAGE)

DURING HEAVY CHECK MAINTENANCE FOUND DENT ON CAPTAIN WINDSHIELD FRAME UPPER POST. REMOVED WINDSHIELD, NO CRACKS FOUND. DENT DRESSED BACK PER DO/TS-386/07-8256. WINDSHIELD INSTALLED. REFERENCE SRAS DO/TS-386/07. 3978 AS A PERMANENT REPAIR. (M)

Part: BULKHEAD — CORRODED (RT MLG WW)

CORROSION LEVEL 2, DURING HEAVY CHECK, FOUND CORROSION AT FRAME 27, RIGHT WHEEL WELL REAR SPAR BULKHEAD, BOTTOM SURFACE OF LOWER FLANGE FROM BL 0 TO BL 4R. BLENDED OUT CORROSION AND NO CRACKS NOTED. REPAIRED IAW SRM DO/TS-784/07-8383 WITH REF TO SRAS DO/TS 784.07. 3992 FOR PERMANENT REPAIR EMBODIED. (M)

Part: SKIN — CORRODED (FUSELAGE)

DURING HEAVY CHECK, FOUND CORROSION ON FUSELAGE SKIN COMMON TO VHF 1 LOWER ANTENNA MATING SURFACE. LEVEL 2 CORROSION REQUIRED REPLACEMENT OF ANTENNA DOUBLER. REMOVED LOWER VHF 1 ANTENNA DOUBLER AND FABRICATED AND INSTALLED NEW DOUBLER IAW ATR42 SRM. (M)

Part: KEELBEAM — CORRODED (FUSELAGE)

CORROSION LEVEL 2, DURING HEAVY CHECK, FOUND CORROSION ON BOTTOM SIDE OF KEEL BEAM CHORD FROM AFT EDGE TO 4 INCHES OF AFT EDGE. REMOVED KEEL BEAM CHORD FROM FRAMES 25-27 AND REMOVED CORROSION. FABRICATED AND INSTALLED NEW KEEL BEAM CHORD IAW ATR42 SRM. (M)

Part: KEELBEAM — CORRODED (FUSELAGE)

FOUND EXFOLIATING CORROSION ON UNDERSIDE OF KEEL BEAM WEB PLATE BETWEEN FRAME 27 AND 27A. REMOVED FAIRING ATTACH BRACKET FROM KEEL BEAM WEB PLATE AT FRAME 26BL0. REMOVED AND INSTALLED NEW FABRICATED WEB PLATE AND FAIRING ATTACH BRACKET AT FRAME 26 BL0 IAW ATR42 SRM. (M)

Part: FRAME — DAMAGED (FUSELAGE)

DURING HEAVY CHECK MAINTENANCE FOUND DENT AND CRACK IN CARGO COMPARTMENT FRAME 23 BETWEEN STRINGERS 19-20 RT. FABRICATED REPAIR DOUBLER AND INSTALLED TO FRAME 23 BETWEEN STRINGERS 19-20 RIGHT SIDE IAW ATR42 SRM. (M)

Part: ANTENNA — FAILED (RADAR SYS)

TWO AIR TURNBACKS SAME DAY, SAME AIRCRAFT, FOR RADAR. FIRST TIME, RADAR FAILED AFTER DEPARTURE. SECOND TIME, RADAR WOULD ONLY PAINT PARTIAL SCREEN. FIRST TIME RADAR RT WAS REPLACED. SECOND TIME, RADAR RT AND ANTENNA ASSY WERE REPLACED. NO FURTHER PROBLEMS. (K)