N303FL

Part: YOKE — FROZEN (COCKPIT) · airframe 38,085 hrs · 17,715 cycles

ON FINAL APPROACH, FLIGHT CREW REPORTED YOKE FROZE UP IN TURN (ROLL ONLY). INSPECTED CASE DRAIN FILTERS IAW MM 29-15-91, AND FOUND NO DISCREPANCIES. REMOVED AND REINSTALLED NR 2 ENG. CASE DRAIN PLUG TO INSPECT IAW MM 29-15-00 AND FOUND NO DISCREPANCIES. VISUALLY INSPECTED LT AND RT AILERON CABLES FROM MAIN WHEEL WELL OB AND FOUND NO DISCREPANCIES. COMPLIED WITH FLIGHT CONTROL MOVEMENT WORK CARD, FOUND NO DISCREPANCIES. PERFORMED AILERON INTERNAL LEAK CHECK PROCEDURE IAW MM AND FOUND NO DISCREPANCIES. PERFORMED OPERATIONAL CHECK FLIGHT. NO DISCREPANCIES OR ABNORMALITIES NOTED.

Part: SUPPORT — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED CORROSION ON ZEE SUPPORT IN RT SIDE OF AFT CARGO COMPARTMENT, FROM STA 721 TO 767. FABRICATED AND INSTALLED NEW ZEE SUPPORT PER SRM 53-60-53, SRM 51-40-05, SRM 51-40-02, MM 51-21-41 AND SOPM 20-41-02.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED FLOORBEAM AT STA 312 CORRODED FROM LBL 1 TO LBL 31. FOUND CORROSION TO BE OUT OF LIMITS PER SRM 53-10-51, PARA 114, DETAIL XI. FABRICATED AND INSTALLED REPLACEMENT PART PER SRM 53-10-51 AND 51-40-02.

Part: ATTACH ANGLE — WORN (FUSELAGE) · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED SEVERAL FASTENER HOLES WORN AND DAMAGED ON RT MLG WHEEL WELL CUTOUT AFT FAIRING ATTACH ANGLE. REPLACED ATTACH ANGLE PER SRM 51-40-02.

Part: INTERCOSTAL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED INTERCOSTAL AT LBL 11, BETWEEN STA 294.5 AND STA 312, HAS A CORRODED ANCHOR FIXTURE WITH BOLT SHANK IN IT. REPLACED INTERCOSTAL PER SRM 51-40-2.

Part: INTERCOSTAL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED AFT CARGO DOOR SILL CORRODED. FOUND CORROSION BEYOND LIMITS PER SRM 53-60-15. INSTALLED REPLACEMENT AFT CARGO DOOR SILL INTERCOSTAL PER SRM 53-60-15 AND 51-40-02.

Part: STRAP — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED AFT CARGO COMPARTMENT FWD DOOR FRAME RADIUS STRAP CORRODED AT STA 794.3, STR 25-R. FOUND CORROSION OUT OF LIMITS PER SRM 53-16-15, FIG 101. REPLACED RADIUS STRAP PER SRM 51-10-02 AND 51-40-02.

Part: SHIM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED INTERCOSTAL, FLOORBEAM AND HAT SECTION CORRODED BETWEEN STA 328 AND STA 344, LBL 11 TO RBL 12. REMOVED INTERCOSTAL BETWEEN STA 328 AND STA 344 AND FOUND CORROSION TO BE ON SHIM ONLY. REMOVED SHIM, FABRICATED AND INSTALLED REPLACEMENT SHIM PER SRM 51-40-02, SRM 51-40-02 AND EA 53-737-195.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED FLOORBEAM AT STA 312 CORRODED FROM BL 0 TO RBL 12. FOUND CORROSION OUT OF LIMITS PER SRM 53-10-51, PARA 114, DETAIL XI. FABRICATED REPAIR PART PER SRM 53-10-51 AND INSTALLED PER SRM 53-10-51 AND SRM 51-40-02.

Part: PANEL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED TRANSITION PANEL IN AFT CARGO COMPARTMENT AT STA 847 - 867, STR 25R, CORRODED. FOUND TO BE OUT OF LIMITS PER SRM 53-60-53 AND 53-60-15. REPLACED PANEL PER SRM 51-40-02, 53-60-15 AND SOPM 21-40-02.

Part: PAD — CORRODED (GIRT BAR LOCK) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED CORROSION ON SLIDE GIRT BAR LOCK PAD AT STA 344, LBL 59. FABRICATED AND INSTALLED REPLACEMENT PAD PER SRM 51-40-02.

Part: PANEL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED CORROSION ON LT SUPPORT ZEE IN AFT CARGO COMPARTMENT. FOUND TO BE OUT OF LIMITS PER SRM 53-60-53. REMOVED Z-TRANSITION PANEL FROM STA 727 TO 9L47, LBL 21. FABRICATED AND INSTALLED REPLACEMENT PANEL PER SRM 53-60-53, FIG 204, SOPM 20-41-02, SRM 53-60-53 AND SRM 51-40-02.

Part: SHIM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED INTERCOSTAL BETWEEN STA 312 AND 328, LBL 10, CORRODED. REMOVED INTERCOSTAL BETWEEN STA 312 AND 328 AND FOUND CORROSION TO BE ON SHIM ONLY. REMOVED SHIM, FABRICATED AND INSTALLED NEW SHIM PER SRM 51-40-02, SRM 51-40-02 AND EA 53-737-195.

Part: CHANNEL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED AFT CARGO COMPARTMENT FLOOR SUPPORT CHANNEL AT RBL 3 CORRODED. FOUND TO BE OUT OF LIMIT PER SRM 53-60-53. REPLACED FLOOR SUPPPORT CHANNEL PER SRM 51-40-02.

Part: SHIM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED INTERCOSTAL CORRODED BETWEEN STA 312 AND STA 328, RBL 12. REMOVED INTERCOSTAL BETWEEN STA 312 AND STA 328 AND FOUND CORROSION TO BE ON SHIM ONLY. REMOVED SHIM, FABRICATED AND INSTALLED REPLACEMENT SHIM PER SRM 51-40-02, 51-40-02 AND EA 53-737-195.

Part: CHANNEL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED AFT CARGO COMPARTMENT FLOOR SUPPORT CHANNEL AT STA 727 TO STA 947, LBL 12.5 CORRODED. FOUND TO BE OUT OF LIMITS PER SRM 53-60-53. REPLACED FLOOR SUPPORT PER SRM 53-60-53 AND 51-40-02.

Part: CHANNEL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED AFT CARGO COMPARTMENT FLOOR SUPPORT CHANNEL CORRODED AT STA 727 TO STA 947, LBL 3. FOUND CORROSION TO BE OUT OF LIMITS PER SRM 53-60-53. REPLACED FLOOR SUPPORT BETWEEN STA 727 AND STA 947 PER SRM 53-60-53 AND 51-40-02.

Part: CHANNEL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED HAT SECTION BETWEEN STA 328 AND STA 344, RBL 12, CORRODED. FABRICATED AND INSTALLED REPLACEMENT PART PER SRM 51-40-02 AND BAC DRAWING 65C34429.

Part: SILL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED AFT CARGO DOOR SILL CORRODED. BLENDED CORROSION AND FOUND TO BE OUT OF LIMITS PER SRM 53-60-15. INSTALLED REPAIR PARTS PER SRM 53-60-15 AND 51-40-02.

Part: CHANNEL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED Z-ANGLE AT L-1 THRESHOLD CORRODED FROM STA 312 TO STA 344, OUTBOARD OF MOP SILL. REPLACED Z-CHANNEL PER SRM 51-40-02.

Part: PANEL — CORRODED (CARGO BAY) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED RT TRANSITION PANEL FROM STA 867 - 947.3 CORRODED AT NUT PLATE HOLES. FOUND CORROSION TO BE OUT OF LIMITS PER SRM 53-60-53. FABRICATED AND INSTALLED REPLACEMENT ZEE CHANNEL PER SRM 53-60-53 AND 51-40-02.

Part: CHANNEL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED L-1 DOOR MOP SILL U-CHANNEL CORRODED FROM STA 312 TO STA 344. REPLACED U-CHANNEL PER SRM 51-40-02.

Part: SUPPORT — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED CORROSION ON ZEE SUPPORT, RT SIDE OF AFT CARGO COMPARTMENT, FROM STA 727 TO 767. FABRICATED AND INSTALLED REPLACEMENT ZEE SUPPORT PER SRM 53-60-53, 51-40-05, 51-40-02, MM 51-21-41 AND SOPM 20-41-02.

Part: INTERCOSTAL — BENT (FUSELAGE) · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED INTERCOSTAL IN AFT CARGO COMPARTMENT BETWEEN STA 747 AND 767, ABOVE STR 25-R, BENT. FOUND DAMAGE TO BE OUT OF LIMITS PER SRM 51-46-02 AND 51-10-02. FABRICATED REPLACEMENT INTERCOSTAL PER DRAWING 69-16500. INSTALLED PER SRM 51-40-02 AND BOEING DRAWING 69-16500.

Part: MOUNT BRACKET — CORRODED (STA. 989) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED AFT GALLEY MOUNT BRACKET CORRODED AT STA. 989, RBL 30. FABRICATED AND INSTALLED REPLACEMENT BRACKET PER EA 53-737-19C, STEP 1, SRM 51-40-02 AND SOPM 20-41-02.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED CORROSION ON AFT CARGO COMPARTMENT FLOOR SUPPORT CHANNEL AT STA 860, RBL 8.1. REMOVED DAMAGED SECTION OF FLOOR SUPPORT, FABRICATED AND INSTALLED REPAIR PARTS PER SRM 53-60-53, 53-00-53, 51-40-02 AND SOPM 20-41-02.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED CORROSION ON AFT CARGO COMPARTMENT FLOOR SUPPORT AT STA 727D+5, RBL 8. FABRICATED AND INSTALLED REPAIR PARTS PER SRM 53-60-53, SRM 53-00-53, AND SOPM 20-41-02.

Part: SILL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED R-1 DOOR MOP SILL CORRODED FROM STA 277 TO STA 360. REMOVED CORROSION AND FOUND TO BE OUT OF LIMITS PER SRM 53-10-51 AND SRM 53-10-15, FIG 101. REPLACED MOP SILL PER SRM 51-10-02 AND SRM 51-40-08.

Part: STRAP — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK INSPECTION REPORTED AFT STRAP IN AFT CARGO COMPARTMENT, RBL 20, INBOARD OF DOOR SILL WEB CORRODED FROM FWD TO AFT. REPLACED STRAP AND BOTH LOWER FILLERS PER SRM 51-10-02 AND 51-40-02.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED AFT CARGO COMPARTMENT FLOOR SUPPORT AT STA 772, RBL 8.1 CORRODED. FABRICATED AND INSTALLED REPAIR PARTS PER SRM 55-60-53, 53-60-53, 53-00-53 51-40-02 AND SOPM 20-41-02.

Part: CHANNEL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED AFT CARGO COMPARTMENT FLOOR SUPPORT CHANNEL CORRODED AT STA 727 +5, LBBL 8.10. FABRICATED REPAIR PARTS PER SRM 53-60-53, 53-00-53, AND 51-41-02.

Part: CHANNEL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED AFT CARGO COMPARTMENT SUPPORT CHANNEL CORRODED AT LBBL 8.10, STA. 772. FABRICATED AND INSTALLED REPAIR PART PER SRM 53-60-53, 53-00-53, FIG 202, AND SOPM 20-41-02.

Part: FLOOR SUPPORT — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED AFT CARGO COMPARTMENT FLOOR SUPPORT CHANNEL AT LBL 8.10 CORRODED AT NUMEROUS LOCATIONS FROM AFT BULKHEAD TO FWD BULKHEAD, BOTH TOP AND BOTTOM. FABRICATED AND INSTALLED REPAIR PARTS PER SRM 53-20-53, 51-40-02, 53-00-53 AND SOPM 20-41-02.

Part: PANEL — CORRODED (CARGO BAY) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED TRANSITION PANEL IN AFT CARGO COMPARTMENT, FWD OF DOOR AT STA 767 TO 787, CORRODED AROUND FASTENER HOLES. FABRICATED AND INSTALLED REPLACEMENT TRANSITION PANEL PER SRM 51-40-02.

Part: ATTACH ANGLE — DAMAGED (FUSELAGE) · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED LT MLG WHEELWELL CUTOUT AFT FAIRING ATTACH ANGLE HAD SEVERAL FASTENER HOLES WORN AND DAMAGED. REPLACED FAIRING ATTACH ANGLE PER SRM 53-43-01.

Part: SHIM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED CORROSION ON TOP SIDE OF THREE INTERCOSTALS BETWEEN STA 951 AND 967, INBOARD OF L-2 DOOR. FOUND CORROSION ON SHIM OUT OF LIMITS. FABRICATED AND INSTALLED REPLACEMENT SHIM PER SRM 53-60-51, 51-40-02, FIG 12, AND EA 53-737-193.

Part: SHIM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED CORROSION ON TOP SIDE OF THREE INTERCOSTALS BETWEEN STA 986.5 AND 1006. REMOVED CORROSION AND FOUND TO BE WITHIN LIMITS. FOUND SHIM OUT OF LIMITS PER SRM 53-60-51. FABRICATED REPLACEMENT SHIM PER EA 53-737-193. INSTALLED SHIM AND SUPPORT PER SRM 51-40-02 AND SOPM 20-41-02.

Part: INTERCOSTAL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED INTERCOSTAL CORRODED BETWEEN STA 294.5 AND 277, LBL 12. CORROSION FOUND TO BE OUT OF LIMITS PER SRM 53-10-51. REPLACED INTERCOSTAL PER SRM 51-40-02.

Part: CLIP — CHAFED (LT MLG WW) · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED NUT CLIP ON LT MLG WHEEL WELL FAIRING ATTACH BRACKET AT STA 727 CHAFFED THROUGH. REPLACED DAMAGED PART PER SRM 51-40-02, 51-40-06 AND BOEING DRAWING 65-48675.

Part: SUPPORT — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED I-BEAM, LT SIDE INBD OF L-2 DOOR TOP SIDE, CORRODED. BLENDED CORROSION AND FOUND OUT OF LIMITS. FABRICATED REPLACEMENT SHIM PER EA 53-737-193. INSTALLED SHIM ON SUPPORT PER EA 53-737-193. INSTALLED SUPPORT PER SRM 51-40-02.

Part: SHIM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED ALL INTERCOSTALS BETWEEN STA 986.5 AND 967 CORRODED ON TOP SIDE. BLENDED CORROSION FROM FLOOR SUPPORTS/INTERCOSTALS. FOUND NO CORROSION AT STA 967 TO 986.5, BL 0. FLOOR SUPPORT SHIMS AT LBL 15.5 AND RBL 15.5 FOUND TO BE OUT OF LIMITS PER SRM 53-60-51, FIG. 101. FABRICATED SHIMS PER EA 53-737-198. INSTALLED SHIMS TO FLOOR SUPPPORTS AND REINSTALLED FLOOR SUPPORTS PER SRM 51-40-02.

Part: WEB — PUNCTURED (FUSELAGE) · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED FLOOR WEB PUNCTURED AT STA 986.5 TO 1016. REMOVED DAMAGED WEB, FABRICATED AND INSTALLED REPLACEMENT WEB PER SRM 53-60-51, FIG 101.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED FLOORBEAM AT STA 312 CORRODED FROM LBL 1 TO LBL 31. REMOVED CORROSION AND FOUND TO BE OUT OF LIMITS PER SRM 53-10-51, PARA 114, DETAIL XI. FABRICATED AND INSTALLED REPAIR PER SRM 53-10-51 AND 51-40-02.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED CORROSION ON FLOORBEAM AT STA 1016, RBL 29. FABRICATED AND INSTALLED REPLACEMENT PARTS PER SRM 53-30-51, PAGES 203-208.

Part: SUPPORT ANGLE — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED 5TH RIB BACK FROM FWD BULKHEAD IN LT SIDE OF AFT CARGO COMPARTMENT CORRODED. REMOVED AND REPLACED DAMAGED SIDEWALL SUPPORT ANGLE PER SRM 51-10-02 AND 51-40-02.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED FLOORBEAM FASTENER CORRODED AND FROZEN IN PLACE AT STA 294.5, LBL 5. DETERMINED CORROSION TO BE OUT OF LIMITS PER SRM 53-10-15. REPAIRED FLOORBEAM UPPER CHORD FROM LBL 22 - RBL 59 PER SRM 53-10-51, FIG 205, SRM 51-40-2 AND SOPM 20-41-02.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED FLOORBEAM AT STA 294.5 CORRODED IN SEVERAL AREAS FROM BL 0 TO RT MOPSILL. DETERMINED CORROSION ON FLOORBEAM AT STA 294.5 FROM CENTER TO LBL 12 TO BE OUT OF LIMITS PER SRM 53-10-15. REPAIRED FLOORBEAM UPPER CHORD FROM LBL 22 TO RBL 59 PER SRM 53-10-51, FIG 205, SRM 51-40-2 AND SOPM 20-41-02.

Part: SHIM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED INTERCOSTALS BETWEEN STA 986.5 AND 967 CORRODED ON TOP SIDE. FLOOR SUPPORT SHIM AT LBL 15.5 AND RBL 15.5 FOUND TO BE OUT OF LIMITS PER SRM 53-60-51, FIG 101. FABRICATED SHIMS PER EA 53-737-199. INSTALLED SHIMS TO FLOOR SUPPORTS AND REINSTALLED FLOOR SUPPORTS PER SRM 51-40-02.

Part: INTERCOSTAL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED INTERCOSTAL BETWEEN STA 294.5 AND 312, LBL 11, CORRODED. INSTALLED REPLACEMENT PART PER SRM 51-40-2.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED TOP SURFACE OF I-BEAM AT STA 967 CORRODED. BLENDED CORROSION AND FOUND TO BE OUT OF LIMITS PER SRM 53-60-51, FIG 101. REMOVED DAMAGE PER SRM 53-00-51, FIG 203. FABRICATED AND INSTALLED REPAIR STRAPS FOR FLOORBEAM AT STA 967, LBL 17.5 TO RBL 5, PER SRM 53-00-51, FIG 203, AND SOPM 2041-02.

Part: ATTACH ANGLE — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED AFT CARGO DOOR SILL ATTACH ANGLE AT STA 794.5, RBL 24, CORRODED ON FLANGE. FOUND CORROSION OUT OF LIMITS PER SRM 51-60-15, FIG 106, DETAIL VIII. REPLACED ANGLE PER SRM 51-10-02 AND 51-40-02.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED CABIN FLOORBEAM AT STA 987.5, RBL 24.25 TO LBL 45.50, SHOWED SIGNS OF CONTAMINATION AND BLUE WATER CONTAMINATION. BLENDED CORROSION ON FLOORBEAM UPPER CAP AND FOUND TO BE OUT OF LIMITS PER SRM 53-60-51, FIG 101. FABRICATED AND INSTALLED UPPER CAP PER SRM 53-00-51, FIG 202, AND SOPM 20-41-02.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED TOP SURFACE OF I-BEAM AT STA 986.5 CORRODED. BLENDED CORROSION AND FOUND TO BE OUT OF LIMITS PER SRM 53-60-51, FIG 101. REMOVED DAMAGED UPPER CAP OF FLOORBEAM PER SRM 53-00-51, FIG 202. FABRICATED AND INSTALLED REPAIR PARTS PER SRM 53-00-51, FIG 202 AND SOPM 20-41-02.

Part: INTERCOSTAL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED TWO CORRODED FASTENERS, INCLUDING NUT CLIPS, ON INTERCOSTAL BETWEEN STA 294.5 AND 312, LBL 11. REPLACED INTERCOSTAL PER SRM 51-40-2.

Part: STRINGER — CRACKED (FUSELAGE) · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED FUSELAGE LOWER STRINGER BETWEEN STA 500 AND 500A AND STR 27R AND 27L CRACKED. REMOVED WORN STRINGER PER SRM 51-40-02, PAGE 3. INSTALLED SERVICEABLE STRINGER PER SRM 51-40-02, PAGE 3 AND 51-10-02, PAGE 12.

Part: FRAME — CRACKED (FUSELAGE) · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED FUSELAGE LOWER FRAME CRACKED IN TWO PLACES AT STA 500 BETWEEN STR 27R AND 27L. REMOVED DAMAGED AREA, FABRICATED AND INSTALLED REPAIR PER SRM 51-70-11.

Part: STRINGER CLIP — BROKEN (FUSELAGE) · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED STRINGER CLIP BROKEN AT STA 1006, STR 12L. FABRICATED AND INSTALLED REPLACEMENT STRINGER CLIP PER SRM 51-40-02 AND BOEING DRAWING 6935364.

Part: STRAP — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED AFT CARGO COMPARTMENT FWD DOOR FRAME RADIUS STRAP, STA 794.3, CORRODED AT STR 25R. FOUND RADIUS STRAP OUT OF LIMITS PER SRM 53-16-15, FIG 101. REMOVED AND INSTALLED REPLACEMENT STRAP PER SRM 51-10-02 AND 51-40-02.

Part: FLOORBEAM — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED TOP SIDE OF I-BEAM AT STA 947 BETWEEN LT AND RT SEAT TRACKS. REMOVED CORRODED SECTION OF FLOORBEAM UPPER CAP PER SRM 53-00-51, FIG 202. FABRICATED AND INSTALLED SECTION OF STA 947.5 UPPER CAP PER SRM 53-00-51, FIG 202, SOPM 20-41-02, SRM 53-00-51, FIG 202 AND SRM 51-40-02.

Part: CHANNEL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 35,592 hrs · 16,191 cycles

DURING C-4 CHECK, INSPECTION REPORTED HAT SECTION BETWEEN STA 328 AND 344, RBL 12, CORRODED. FABRICATED AND INSTALLED REPLACEMENT HAT CHANNEL PER SRM 51-40-02 AND BOEING DRAWING 65C34429.

Part: FIRE DETECTOR — MALFUNCTIONED (APU) · airframe 30,551 hrs · 13,677 cycles

DURING TAXI FLIGHT CREW REPORTED APU FIRE WARNING SYSTEM WARNING LIGHT ILLUMINATED. DISCHARGED SQUIB. MAINTENANCE CONDUCTED INSPECTION OF APU COMPARTMENT AND FOUND NO EVIDENCE OF FIRE. PLACARD SYSTEM PER MEL 26-07. AN ADDENDUM WILL BE ISSUED WHEN REPAIR IS ACCOMPLISHED. RAN APU SEVERAL HOURS AND PERFORMED OPERATIONAL CHECK OF APU FIRE DETECTION SYSTEM PER MM 26-15-00, WITH NO DISCREPANCIES NOTED.

Part: SLIDE — DISCHARGED (PAX DOOR) · airframe 29,110 hrs · 13,015 cycles

PRIOR TO DEPARTURE, FLIGHT CREW REPORTED R-2 DOOR SLIDE PRESSURE LOW. REPLACED R-2 DOOR SLIDE.

Part: SKIN — DAMAGED (RT ELEVATOR)

DEN - DURING C-CHECK INSPECTION, REPORTED A .250 INCH HOLE IN THE UPPER SURFACE OF THE RT ELEVATOR. MAINTENANCE REPAIRED DAMAGED AREA PER EA 27-737-017 AND SRM 51-70-05, FIGURE 10; BALANCED RT ELEVATOR PER SRM 51-60-04; AND REINSTALLED RT ELEVATOR PER B737-300 MM 27-31-11. (M)

Part: TIRE — FAILED (MLG)

SEA - UPON PREFLIGHT WALKAROUND, FLIGHT CREW REPORTED NR 1 MAIN TIRE RECAP MISSING. MAINTENANCE FOUND DAMAGE TO LEFT INBOARD FORE, MID AND AFT FLAPS, LOWER GEAR DOOR AFT RIB PANEL, AND LEFT LOWER WING PANEL. REPLACED AFT FLAP PER MM 27-51-11. DENT ON FORE FLAP FOUND TO BE WITHIN ALLOWABLE LIMITS PER SRM 57-50-1, FIG 3, PAGE 6A. REPAIRED DAMAGE TO MID FLAP SKIN PER SRM 51-40-01. REMOVED LEFT MLG INNER DOOR FOR REPAIR AND OPERATING PER CDL 32-10-4. REPAIRED LEFT LOWER WING PANEL PER EA 57-737-025 AND SRM 57-51-01. REPLACED NR 1 AND NR 2 MLG TIRE AND WHEEL ASSEMBLIES. NR 1 TIRE HAD BEEN RECAPPED 3 TIMES. (M)

Part: SKIN — LIGHTNING STRIKE (RUDDER)

BOS - FLT 520 - UPON ARRIVAL IN BOS, FLIGHT CREW REPORTED A LIGHTNING STRIKE TO AIRCRAFT. MAINTENANCE PERFORMED A LIGHTINING STRIKE INSPECTION PER MM 05-51-27 AND NOTED DAMAGE TO RUDDER. INSTALLED TEMPORARY REPAIR PER MM 55-40-01 AND FERRIED AIRCRAFT TO DENVER. REMOVED AND REPAIRED RUDDER PER SRM 51-70-04 AND SRM 55-40-01, AND EA 55-737-303. RUDDER WAS REBALANCED IN FIXTURE PER SRM 51-60-07 AND REINSTALLED ON AIRCRAFT. CYCLES: 10,770. (X)

Part: SUPPORT — CORRODED (BS 947)

PHX - DURING C-CHECK INSPECTION REPORTED CORROSION ON FLOOR SUPPORT AT BS 947, RBL 17. MAINTENANCE REMOVED CORRODED AREAS, FABRICATED REPLACEMENT PARTS AND REPAIRED PER EA 1489-EG0024 (B737-53-069), ARM 51-40-2 AND SRM 53-60-51. (M)

Part: WEB — CRACKED (BS 800)

PHX - FLT 303 - DURING C-CHECK INSPECTION, REPORTED CRACK IN DOOR FRAME WEB, BS 800 RT SIDE FORWARD OF AFT CARGO DOOR FRAME. MAINTENANCE FABRICATED AND INSTALLED NEW WEB PER SRM 51-30-1, SRM 51-10-2 AND SRM 51-40-2. (M)

Part: FLOORBEAM — CORRODED (BS 291)

PHX - DURING C-CHECK INSPECTION REPORTED CORROSION ON FLOORBEAM 291.5, LBL 20 TO RBL 40 (MAIN CABIN FLOOR). MAINTENANCE REMOVED CORROSION AND DAMAGED UPPER CHORD, FABRICATED REPLACEMENT PARTS AND REPAIRED PER SRM 53-10-51 AND 51-40-2. (M)

Part: INTERCOSTAL — CORRODED (BS 946-968)

PHX - DURING C-CHECK INSPECTION REPORTEC CORROSION ON INTERCOSTAL UPPER CAP RBL 50, BS 946 TO BS 966, MAIN CABIN FLOOR. MAINTENANCE FABRICATED INTERCOSTAL PER DRAWING 65C33367 AND INSTALLED PER SRM 51-40-2 AND 51-20-01. (M)

Part: FLOORBEAM — CORRODED (BS 312-328)

PHX - DURING C-CHECK INSPECTION REPORTED CORROSION ON FLOOR SUPPORT AT BS 312 TO 328 LBL 11.10, MAIN CABIN FLOOR. MAINTENANCE REMOVED DAMAGED AREA, FABRICATED REPLACEMENT PARTS AND REPAIRED PER SRM 51-10-1, SRM 51-40-2 AND EA B737-53-071. (M)

Part: FLOORBEAM — CORRODED (BS 279-295)

PHX - DURING C-CHECK INSPECTION REPORTED CORROSION ON FLOOR SUPPORT BETWEEN BS 279 AND BS 295 AT RBL 31, MAIN CABIN FLOOR. MAINTENANCE REMOVED DAMAGED AREA, FABRICATED REPLACEMENT PARTS AND REPAIRED PER SRM 51-40-02, SRM 51-10-01 AND EA B737-53-071. (M)

Part: FLOORBEAM — CORRODED (BS 277-295)

PHX - DURING C-CHECK INSPECTION REPORTED CORROSION ON FLOOR SUPPORT BETWEEN BS 277 AND BS 295 AT RBL 10.85, MAIN CABIN FLOOR. MAINTENANCE REMOVED DAMAGED AREA, FABRICATED REPLACEMENT PARTS AND REPAIRED PER SRM 51-40-2 AND EA B737-53-071. (M)

Part: FLOORBEAM — CORRODED (BS 320)

PHX - DURING C-CHECK INSPECTION REPORTED CORROSION ON FLOOR SUPPORT AT BS 320, LBL 11.10, MAIN CABIN FLOOR. MAINTENANCE REMOVED DAMAGED AREA, FABRICATED REPLACEMENT PARTS AND REPAIRED PER SRM 51-10-3, SRM 51-10-1 AND SRM 51-40-2. (M)

Part: CLIP — CORRODED (BS 986)

PHX - DURING C-CHECK INSPECTION REPORTED CORROSION ON TIE CLIP AT BS 986, STRINGER 28L. MAINTENANCE FABRICATED NEW CLIP PER DRAWING 69-35364 AND INSTALLED PER SRM 53-00-53 AND 51-40-2. (M)

Part: FLOORBEAM — CORRODED (BS 947)

PHX - DURING C-CHEC, INSPECTION REPORTED CORROSION ON UPPER SURFACE OF FLOOR SUPPORT BS 947 TO BS 927. MAINTENANCE REMOVED DAMAGED AREA, FABRICATED REPLACEMENT PARTS AND REPAIRED PER SRM 51-10-1, SRM 51-40-2 AND EA B737-53-069. (M)

Part: SKIN — CRACKED (TE FLAP)

PHX - DURING C-CHECK INSPECTION REPORTED LT INBOARD MID FLAP, OUTBOARD LEADING EDGE, CRACKED NEXT TO WASTE GATE ACTIVATION ROD. MAINTENANCE REPAIRED CRACK (.25 INCH LONG) PER SRM 57-43-02 AND EA B737-57-034. (M)

Part: BEAM — CORRODED (BS 946)

PHX - DURING C-CHECK INSPECTION REPORTED CORROSION ON TRANSVERSE BEAM, BS 946 TO BS 986, AT R2 DOOR, MAIN CABIN FLOOR. MAINTENANCE FABRICATED REPLACEMENT TRANSVERSE BEAM AND REPAIRED PER SRM 53-60-15 AND SRM 51-70-11. (M)

Part: BULB — FAILED (CABIN)

PHX - DURING C-CHECK INSPECTION REPORTED VARIOUS SECTIONS OF FLOOR PROXIMITY LIGHTING INOPERATIVE. MAINTENANCE REPLACED LAMPS AND SYSTEM CHECKED OK. (M)

Part: ANGLE — CRACKED (BS 800)

PHX - DURING C-CHECK INSPECTION, REPORTED AFT CARGO PIT ANGLE CRACKED AT BS 800, ABOVE STRINGER 25-R. MAINTENANCE REMOVED DAMAGED AREA, FABRICATED REPLACEMENT ANGLE PER DRAWING NR 69-43477, INSTALLED PER SRM 51-40-2. (M)

Part: SUPPORT — CORRODED (BS 948)

PHX - DURING C-CHECK, INSPECTION REPORTED FLOOR SUPPORT CORRODED ON UPPER CAP AT BS 948, LBL 18 TO 24. MAINTENANCE REMOVED DAMAGED AREA, FABRICATED REPLACEMENT PARTS AND REPAIRED PER SRM 53-60-51, SRM 51-40-2 AND EA B737-53-069. (M)

Part: FLOORBEAM — CORRODED (BS 312)

PHX - DURING C-CHECK INSPECTION, REPORTED CORROSION ON FLOORBEAM AT BS 312, LBL 30 TO LBL 5. MAINTENANCE REMOVED DAMAGED AREAS, FABRICATED REPLACEMENT PARTS AND REPAIRED PER SRM 53-10-51, SRM 51-40-2 AND SRM 53-10-5. (M)

Part: ANGLE — CORRODED (BS 727-807)

PHX - DURING C-CHECK INSPECTION REPORTED CORRODED FASTENERS HOLES AT AFT CARGO PIT LEFT SIDE WALL TO FLOORBOARD ATTACH ANGLE FROM BS 727B TO 807. MAINTENANCE REMOVED DAMAGED AREA, FABRICATED REPLACEMENT PARTS AND REPAIRED PER SRM 53-60-53, SRM 51-40-2, SRM 51-10-3 AND SRM 51-30-2. (M)

Part: FLOORBEAM — CORRODED (BS 986)

PHX - DURING C-CHECK INSPECTION REPORTED CORROSION ON UPPER CAP OF FLOORBEAM AT BS 986.5, RBL 40 TO LBL 40, MAIN CABIN FLOOR. MAINTENANCE REMOVED DAMAGED AREA, FABRICATED REPLACEMENT PARTS AND REPAIRED PER SRM 53-60-51, SRM 51-40-2, SRM 51-10-1 AND EA B737-53-068. (M)

Part: FLOORBEAM — CORRODED (BS 950)

PHX - DURING C-CHECK, INSPECTION REPORTED CORROSION ON FLOOR SUPPORT AT BS 950, LBL 18 TO 50, MAIN CABIN FLOOR. MAINTENANCE REMOVED DAMAGED AREA, FABRICATED REPLACEMENT PARTS AND REPAIRED PER SRM 53-60-51, SRM 51-30-1 AND SRM 51-40-2. (M)

Part: INTERCOSTAL — CORRODED (BS 946)

PHX - DURING C-CHECK INSPECTION REPORTED CORROSION ON INTERCOSTAL UPPER CAP, BS 946 TO BS 967 LBL 18, MAIN CABIN FLOOR. MAINTENANCE REMOVED DAMAGED AREA, FABRICATED REPLACEMENT PARTS AND REPAIRED PER SRM 53-10-51, SRM 51-20-01 AND SRM 51-40-2. (M)

Part: WEB — CRACKED (BS 986)

PHX - DURING C-CHECK INSPECTION REPORTED CUSP WEB CRACKED AT STATION 986, LT INBOARD CORNER. MAINTENANCE REMOVED DAMAGED AREA, FABRICATED REPLACEMENT PARTS AND REPAIRED PER SRM 51-70-13, FIG 2 SRM 51-70-13, FIG 1 SRM 51-40-2 AND EA B737-53-070. (M)

Part: TEMP CONTROL — FAILED (LT PACK)

FLT 43 - DEN - AIR TURN BACK, FLIGHT CREW REPORTED AIRCRAFT WOULD NOT PRESSURIZE. REPLACED LT PACK TEMP CONTROL VALVE AND CHECKED OK. (M)

Part: BULB — FAILED (CABIN)

DEN - DURING SERVICE CHECK, MAINTENANCE REPORTED FLOOR PROXIMITY LIGHTING AT SEAT 6 DEF INOPERATIVE. MAINTENANCE REPLACED BULB AND SYSTEM CHECKED OK. (M)

Part: WIRE — LOOSE (CABIN)

DEN - DURING SERVICE CHECK, MAINTENANCE REPORTED FLOOR PROXIMITY LIGHTING AT ROWS 1, 2 AND 3 INOPERATIVE. MAINTENANCE RECONNECTED LOOSE WIRE AND SYSTEM CHECKED OK. (M)

Part: TRUNNION PIN — WORN (LT MLG)

LEFT MLG TRUNNION PIN, TRUNNION LINK BUSHINGS AND BORES, OUTER STRUT BORES ARE CORRODED AND OUTER STRUT TO TRUNNION LINK HATS ARE WORN OFF. REPLACED TRUNNION PIN (PN 'OFF' 65-46113-20 SN 'OFF AT67/PN 'ON' 65-46113-25, SN 'ON' 0216. TRUNNION LINK BUSHINGS AND BORES WERE REPAIRED IAW BOEING OHM 32-16-01. OUTER STRUT WAS REPAIRED IAW BOEING OHM 32-11-11. CYCLES: 8,663. REF: OPERATOR CONTROL NR 98ZZZX119. (X)

Part: TRUNNION PIN — WORN (RT MLG)

RIGHT MLG TRUNNION PIN, OUTER STRUT BORES ARE CORRODED AND OUTER STRUT TO TRUNNION LINK HATS ARE WORN OFF. REPLACED TRUNNION IN (PN 'OFF' 65R-46113-20 SN 'OFF' AT631/PN 'ON' 65-46113-25, SN 'ON' 0232). OUTER STRUT WAS REPAIRED IAW BOEING OHM 32-11-11. REF: OPERATOR CONTROL NR F3LA97156.

Part: FLOW CONTL VALVE — MALFUNCTIONED (RT PACK)

DEN - FLT 401 - AIR TURN BACK. FLIGHT CREW REPORTED AIRCRAFT WOULD NOT PRESSURIZE. MAINTENANCE PLACARDED THE RIGHT PACK HIGH FLOW MODE PER MEL 21-2-1. SUPPLEMENTAL INFORMATION WILL BE SUBMITTED WHEN IT IS AVAILABLE. THIS MRR IS A SUPPLEMENT TO CLOSE MRR NR F3LA-97-099. ON 4-6-97, MAINTENANCE REPLACED THE RIGHT FLOW CONTROL VALVE AND SYSTEM CHECKED OKAY. (X)

Part: LIGHT — INOPERATIVE (CABIN)

DEN - DURING A SERVICE CHECK, MAINTENANCE REPORTED 5 FLOOR PROXIMITY LIGHTS INOPERATIVE. MAINTENANCE REPLACED LAMPS AND SYSTEM CHECKED OKAY.

Part: AURAL WARN UNIT — MALFUNCTIONED (COCKPIT)

PHX - FLT 128 - UPON ARRIVAL, FLIGHT CREW REPORTED LANDING GEAR WARNING HORN ACTIVATED WITH FLAPS AT 1 DEGREE. REPLACED AURAL WARNING UNIT AND CHECKED OKAY. (X)

Part: THROTTLE SWITCH — DIRTY (COCKPIT)

SFO - FLT 601 - UPON ARRIVAL, FLIGHT CREW REPORTED LANDING GEAR WARNING HORN ACTIVATED WITH FLAPS AT 1 DEGREE. CLEANED THROTTLE PEDESTAL SWITCHES AND CHECKED OKAY. (X)

Part: WARNING CARD — FAILED (COCKPIT)

LAX - FLT 506 - UPON ARRIVAL, FLIGHT CREW REPORTED LANDING GEAR WARNING HORN ACTIVATED WITH FLAPS AT 1 DEGREE. REPLACED AURAL WARNING LOGIC CARD M 989 AND CHECKED OKAY.