N510FE

Part: CHORD — CORRODED (BS 320)

NR0705 AND 041, WHILE WORKING NR0689 FOUND LOWER LT NOSE CHORD AT 320 LBL 19 TO BE CORRODED OUT OF LIMITS. *S/D* REMOVED CORRODED LOWER LT LOWER NOSE CHORD, NEW LOWER LT NOSE CHORD TO BE REINSTALLED ON NR0689 PER BAC DRW NR 65C15724.

Part: CHORD — CRACKED (BS 293)

NR0702 AND 040, WHILE WORKING NR0689 FOUND RT LOWER NOSE CHORD CRACKED AT BS 293 RBL 15 WL 140. *S/D* REMOVED CRACKED RT LOWER NOSE CHORD. NEW RT LOWER NOSE CHORD TO BE REINSTALLED ON NR0689 IAW BAC DRW NR 65C15724.

Part: SKIN — CORRODED (BS 1163-1183)

NR0039 AND 039, BULGE IN SKIN ABOVE AFT LT SERVICE DOOR STA 1170 TO 118 STR 18L. *S/D* REPLACED SECTION OF SKIN AND REPAIRED REF FEDEX EA 7-5330-31176.

Part: STRINGER — CORRODED (BS 1163)

NR0673 AND 038, WHILE WORKING ON NR0039 FOUND CORROSION ON STRINGER 20L AT BS 1163.

Part: BEAM — CORRODED (BS 266)

NR0697 AND 037, WHILE WORKING NR0642 FOUND CORROSION UNDER INTERCOSTAL ON TOP FLANGE OF TRACK BEAM STA 266 WL 208 LBL 10 TO 8. *S/D* REMOVED AND REPLACED WL 208 PER FEDEX SRM 51-10-1 AND 51-30-2.

Part: WEB — CORROSION (BS 870)

NR0686 AND 036, UPON REMOVAL OF WEB FOR ACCESS OF 870 UPPER CHORD. FOUND 870 WEB TO BE CORRODED BS 870 RBL TO LBL 50 WL 161. *S/D* REMOVED AND REPLACED 870 WEB STA 870 LBL TO RBL 70 WL 161 TO 187 PER FEDEX SRM 51-30-2.

Part: CHORD — CORRODED (BS 740)

NR 0674 AND 035, CORROSION (C53-224-05) ON BS 740 LOWER CHORD FOR CENTER WING SECTION FROM LBL 7 TO LBL 27. *S/D* REMOVED DAMAGED LOWER CHORD AT BS 740 AND INSTALLED NEW CHORD PER FEDEX EA NR 7-5710-31187.

Part: CHORD — CORRODED (BS 740)

NR 0431 AND 031, CORROSION (C53-224-05) BS 740 LBL 12 ON LOWER CHORD OF CENTER FUEL CELL. *S/D* REMOVED DAMAGED LOWER CHORD AT BS 740 AND INSTALLED NEW CHORD PER FEDEX EA NR 7-5710-31187, REF NR 0674.

Part: CHORD — CORRODED (BS 740)

NR 0542 AND 032, CORROSION (C53-224-05) BS 740 RBL 68 ON UPPER CHORD OF CENTER FUEL CELL. *S/D* REMOVED DAMAGED UPPER CHORD AT BS 740 AND INSTALLED NEW CHORD IAW FEDEX EA 7-5710-31199.

Part: SHELF — CRACKED (BS 336)

NR 0689 - 042, WHILE WORKING NR0669 FOUND NOSE GEAR DRAG BRACE SUPPORT BEAM TO BE CRACKED BS 336 WL 153 LBL 13 TO LBL 20. *S/D* REMOVED DRAG BRACE SHELF, INSTALLED NEW DRAG BRACE SHELF AND REINSTALLED ALL ITEMS REMOVED FOR ACCESS IAW FEDEX EA 7-5310-31130, AT BS 336 TO 360 WL 153 LBL 15 TO RBL 15.

Part: SPAR CHORD — CORROSION (BS 870)

NR 0685 AND 034, UPON REMOVAL OF REAR SPAR WEB FOUND CORROSION ON LOWER 870 SPAR CHORD BS 870 LBL 50 TO RBL 50 WL 161. *S/D* REMOVED CORROSION ON BS 870 SPAR CHORD, FOUND CHORD IS OUT OF LIMITS PER FEDEX SRM 57-12-20. REMOVED AND REPLACED LOWER CHORD PER FEDEX EA 7-5710-31178.

Part: SKIN — CRACKED (BS 1060)

NR 0300 AND 028, BS 1060 STR 24R WL 155 THERE IS A CRACK IN SKIN. *S/D* REMOVED DAMAGED SKIN AT BS 1060 STR 24R WL 155 AND REPAIRED PER FEDEX SRM 53-30-3 FIG 3A.

Part: STIFFENER — CORRODED (BS 314)

NR 0425 AND 030, CORROSION (C53-111-01-1) ON HORIZONTAL STIFFENER AT BS 314 BL 0 TO LBL 12 WL 183.

Part: SKIN — CORRODED (BS 328)

NR 0271 AND 029, BS 328 PLUS 7 WL 142 LBL 20 SKIN IS BULGING. *S/D* REMOVED DAMAGED SKIN AND INSTALLED EXTERNAL DOUBLER AT BS 330 TO 356 WL 148 T0 152 LBL 20 IAW FEDEX SRM 53-30-3 FIG 3.

Part: FLOORBEAM — CORRODED (BS 1166)

NR 0623 AND 033, WHILE WORKING NR 0248 FOUND A CORRODED NUTPLATE HOLE AT BS 1166 LBL 12 WL 200 AFT LOWER FLANGE. *S/D* REPAIRED BS 1166 FLOORBEAM LOWER CHORD IAW EA 7-5310-31129.

Part: FLOORBEAM — CORRODED (BS 328)

NR 0656 AND 026, WHILE WORKING NR 0571, UPON REMOVAL OF HAT CHANNEL FOUND CORROSION ON FLOORBEAM UPPER CHORD AT BS 328 RBL 12 TO 15 WL 208. *S/D* UPPER CHORD OF FLOORBEAM WAS FOUND TO BE OUT OF LIMITS PER FEDEX SRM 53-10-1. REPAIRED FLOORBEAM PER FEDEX SRM 53-10-8 FIG 9.

Part: SPAR CHORD — CORRODED (BS 870)

NR 0661 AND 025, CORROSION AT BS 870 RBL 40 TO RBL 55, WL 190 UPPER CHORD. CORROSION IS OUT OF LIMITS AS PER FEDEX SRM. *S/D* REMOVED CORROSION ON UPPER STA 870 SPAR CHORD, FOUND SPAR CHORD IS OUT OF LIMITS PER FEDEX SRM 57-12-20. REMOVED AND REPLACED UPPER CHORD PER FEDEX EA NR 7-5710-31178.

Part: CHORD — CORRODED (BS 1176)

NR 0288 AND 027, CORROSION (C53-224-01, -3) ON FWD FLANGE OF BS 1176 CHORD RBL 15 TO LBL 15 WL 208. *S/D* REPAIRED BS 1176.9 CHORD PER SB 727-53-0184 PART II OPTIONS.

Part: FLOOR BEAM — CORRODED (BS 660)

NR0365 AND 022, CORROSION (C53-224-02, -1) AROUND FASTENER HOLES ON FLOOR BEAM TOP CHORD AT BS 660 RBL 11 AND 35 WL 208.

Part: FLOOR BEAM — CORRODED (BS 380)

NR0369 AND 023, CORROSION (C53-224-01) AROUND FASTENER HOLE ON UNDERSIDE OF FLOOR BEAM TOP CHORD BS 380 LBL 25 WL 208, OUT OF LIMITS. *S/D* REMOVED DAMAGED AREA AROUND FASTENER HOLE ON UNDERSIDE OF FLOOR BEAM TOP CHORD AT BS 380 LBL 25 WL 208. REPAIRED PER FED EX SRM 53-10-8.

Part: DOORWAY FRAME — CORRODED (BS 215)

NR0558 AND 024, CORROSION (C53-111-01-1) ON DOOR CUTOUT SIDE FRAME AT BS 215 RBL 16 WL 167. *S/D* REMOVED DAMAGED SIDE FRAME WEB AND INSTALLED NEW SIDE FRAME WEB IAW FED EX SRM 51-10-1.

Part: FLOORBEAM — CORRODED (BS 620)

NR 0375 AND 018, CORROSION (C53-224-01, -1) AROUND FASTENER HOLES ON UNDERSIDE OF FLOORBEAM AT BS 620 LBL TO 44 WL 208. *S/D* REPAIRED FLOORBEAM AT BS 620 LBL 10 TO 44 WL 208 PER FEDEX SRM 53-10-08.

Part: INTERCOSTAL — CORRODED (BS 266)

NR 0624 AND 021, CORROSION (C53-221-01) ON TOP OF INTERCOSTAL STA 266 WL 208 LBL 6. *S/D* REMOVED AND REPLACED TOP CHORD OF INTERCOSTAL AT BS 259 TO 277 LBL 6 WL 208 PER FEDEX SRM 51-10-1, 51-30-2.

Part: WEB — CORRODED (BS 1174)

NR 0290 AND 017, CORROSION (C53-224-01, -3) EMANATING FROM UNDER NUTPLATES ON BOTTOM SIDE OF SHEAR WEB AT BS 1174 RBL 22 LBL 16 WL 208. *S/D* REPAIRED AREA AT RBL 22 STA 1174 WL 208 PER FEDEX SRM 51-40-2 FIG 1.

Part: BEAR STRAP — CORRODED (BS 1105)

NR 0499 AND 020, CORROSION (C53-111-01, -3) ON BEAR STRAP AT BS 1105 RBL 28 WL 151. *S/D* REPAIRED BEAR STRAP PER FEDEX EA 7-5310-31169.

Part: BULKHEAD WEB — CRACKED (BS 950)

NR 0506 AND 016, CRACKS IN BS 950 BULKHEAD LBL 4.5 AND RBL 4 WL 175. *S/D* REPAIRED CRACKS IN BS 950 BULKHEAD LBL 4.5 AND RBL 4, WL 175 PER FEDEX SRM 53-10-9, PERFORMED FUNCTIONAL TEST PER REDEX MM 36-00 TESTED GOOD.

Part: FLOORBEAM — CORRODED (BS 560)

NR 0372 AND 011, CORROSION (C53-224-01, -1) AROUND FASTENER HOLES ON UNDER SIDE OF FLOORBEAM AT BS 560 RBL 56 TO LBL 56 WL 208. *S/D* REPAIRED TOP CHORD OF BS 560 FLOORBEAM LBL 65 TO RBL 56 PER FEDEX SRM 53-10-8.

Part: ANGLE — CRACKED (BS 560-620)

NR 0295 AND 014, FORWARD CARGO DOOR NR 3 L-ANGLE FROM TOP IS CRACKED.

Part: BEAM — CRACKED (BS 560-620)

NR 0294 AND 013, FORWARD CARGO DOOR NR 2 FROM TOP TRANSVERSE BEAM IS CRACKED. *S/D* REMOVED AND REPLACED FWD CARGO DOOR NR 2 FROM TOP TRANSVERSE BEAM PER FEDEX SRM 51-10-1, 51-3-02.

Part: ANGLE — CRACKED (BS 560-620)

NR 0296 AND 015, FORWARD CARGO DOOR NR 5 L-ANGLE FROM TOP IS CRACKED. *S/D* REMOVED AND REPLACED FWD CARGO DOOR NR 5 LT, ANGLE PER FEDEX SRM 51-10-1, 53-30-2.

Part: BEAM — CRACKED (BS 1060-1108)

NR 0275 AND 012, AFT CARGO DOOR BEAM NR 2 FROM TOP IS CRACKED IN RADIUS. *S/D* REMOVED AND REPLACED AFT CARGO DOOR BEAM NR 2 FROM TOP PER FEDEX SRM 51-10-1.

Part: INTERCOSTAL — CRACKED (BS 1090)

NR 0345 AND 010, AFT CARGO DOOR AFT HINGE INTERCOSTAL IS BENT AND CRACKED. *S/D* REMOVED AND REPLACED AFT CARGO DOOR AFT HINGE INTERCOSTAL.

Part: FLOOR BEAM — CORRODED (BS 580)

NR 0378 AND 007, CORROSION (C53-224-01, -1) AROUND FASTENER HOLE ON FLOOR BEAM TOP CHORD AT BS 580 LBL 36 WL 208.

Part: FLOOR BEAM — CORRODED (BS 1166)

NR 0248 AND 006, CORROSION (C53-111-01, -3) ON LOWER CHORD OF FLOOR BEAM AT BS 1166 WL 200 RBL 27 AT NUTPLATE. *S/D* MECHANICALLY REMOVED CORROSION IN AN AREA OF .75 BY 4, .066 MATERIAL REMOVED FROM ORIGINAL THICKNESS OF .120, OUT OF LIMITS PER FED EX SRM 53-10-1. CUT OUT DAMAGE AREA OF FLANGE AND REPAIRED PER FED EX SRM 53-10-8 FIG 8.

Part: CHORD — CORROSION (BS 350)

NR 0422 AND 009, CORROSION (C53-111-01-1) ON LT MID NOSE CHORD AT BS 350 LBL 13 WL 169. *S/D* REMOVED AND REPLACED MID NOSE CHORD AT BS 350 LBL 13 WL 169 IAW DRAWING 65-18415.

Part: FLOOR BEAM — CORRODED (BS 480)

NR 0370 AND 008, CORROSION (C53-224-01, -1) AND BARE METAL 480 RBL 60 LBL 44 WL 208.

Part: FLOORBEAM — CORRODED (BS 344)

NR 0285 AND 004, CORROSION (C53-224-02) ON 344 FLOORBEAM RBL 18 TO LBL 65 WL 208, OUT OF LIMITS. *S/D* REMOVED CORROSION ON BS 344 FLOORBEAM RBL 18 TO LBL 65 WL 208. FOUND TO BE OUT OF LIMITS. REMOVED AND REPLACED FLOORBEAM UPPER CHORD RBL 70 TO LBL 70 IAW FEDEX STANDARD REPAIR DRAWING SR 27-53-007.

Part: FLOORBEAM — CORRODED (BS 600)

NR 0446 AND 005, CORROSION (C53-111-01, -2) ON LOWER CHORD OF FLOORBEAM AT BS 600 LBL 15 WL 200. *S/D* REMOVED AND REPLACED FLOORBEAM LOWER CHORD STA 600 LBL TO RBL 25 WL 200 PER FEDEX SRM 53-10-8 FIG 2.

Part: SKIN — DELAMINATED (LT TE FORE FLAP)

NR 0196 AND 002, LT WING I/B FORE FLAP HAS A LARGE CREASED DENT MID SPAN UPPER SURFACE WBL 203.0. *S/D* LT WING I/B FORE FLAP REPAIRED PER FDEA SRM 51-40-6.

Part: FLOOR BEAM — CORROSION (BS 1030)

NR 0292 AND 003, CORROSION (C53-224-01, -3) AROUND NUTPLATE HOLES ON BS 1030 UPPER CHORD RBL 21 TO LBL 21 WL 208. *S/D* REPAIRED OUT OF LIMITS UPPER CHORD IAW FEDEX SRM 53-10-8.

Part: WEDGE — DELAMINATION (RT TE MID FLAP)

NR 0175 AND 001, RT WING O/B MID FLAP T/E WEDGE DELAMINATED MARKED. *S/D* REMOVED AND REPLACED DAMAGED SKIN ON RT WING O/B MID FLAP T/E WEDGE IAW FDEA SRM 51-40-6.

Part: EXTEND SWITCH — MALFUNCTIONED (NR 7 SLAT)

DURING FLAP RETRACTION THE NR 7 SLAT FAILED TO RETRACT. AMBER LIGHT REMAINED ON AT PILOT'S PANEL AND GREEN LIGHT REMAINED ON AT THE SLAT/FLAP INDICATOR PANEL. REPLACED NR 7 SLAT ACTUATOR, DID NOT CURE PROBLEM IAW 727-100 MM PAGE 401 TO 409 CHAP 27-81-32. REPLACED NR 7 SLAT EXTENDED SWITCH IAW 727-100 MM CHAP 27-81-11 PGS 401 TO 405, OPS CHECK GOOD.