NR61A

Part: STRINGER — CORRODED (FRAMES 86-87) · corrosion level 2 · airframe 31,782 hrs · 19,799 cycles

DURING HEAVY CHECK MAINTENANCE FOUND CTR FUSE 3 BELOW FLOOR. STRGR 28R CORRODED AT (PREVIOUS REPAIR) FR 86-87. REMOVED REPAIR SPLICE ON STR 28R BETWEEN FR 86 AND 87. REMOVED CORROSION ON EDGE. MAINTAINED EDGE DISTANCE. THE REPAIR IS WITHIN LIMITS.REINSTALLED REPAIR DOUBLER ON STRGR 28R AT FR 86-87. SURFACE PROTECTION APPLIED. REF SRM 51-40-08 AND 51-10-03

Part: SKIN — CRACKED (LT WING) · airframe 40,117 hrs · 24,887 cycles

L/H WING, SLAT TRACK #5 FIXED LEADING EDGE CUTOUT CRACKED. REPAIRED PER SRM 57-49-01 REPAIR #6

Part: INTERCOSTAL — CORRODED (FUSELAGE) · corrosion level 2 · airframe 30,030 hrs · 23,396 cycles

RT OTBD INTERCOSTAL CORRODED AT FR89-90 AS MARKED. REMOVED AND REPLACED RT INTERCOSTAL SUPPORT FR89-90 REF SRM 51-40-08 RESTORED SURFACE PROTECTION PER SRM 51-23-05, 51-23-06. SEE W/O H6790 SN 260 FOR WORK DETAILS. AIRCRAFT REMAINS IN HEAVY CHECK BNA.

Part: BRACKET — CORRODED (FRAME 80) · corrosion level 2 · airframe 39,667 hrs · 24,681 cycles

AFT CARGO , INTERNAL STRUCTURE (BRACKET P/N 170-85667-001) CORRODED. REMOVED AND REPLACED PER SRM 51-41-02

Part: FITTING — CRACKED (L1 DOOR) · airframe 39,667 hrs · 24,681 cycles

DOOR L1, SURROUND STRUCTURE, UPPER FITTING SEAL CRACKED (1/2" LONG). REPLACE SEAL FITTING PER 51-41-01

Part: SUPPORT — CORRODED (R2 DOOR) · corrosion level 2 · airframe 39,667 hrs · 24,681 cycles

AFT SERVICE DOOR CUTOUT LOWER MAIN SILL SUPPORT CORRODED. REPLACED SUPPORT PER SRM 51-41-01

Part: SEAT TRACK — CORRODED (FRAMES 46-47) · corrosion level 2 · airframe 39,667 hrs · 24,681 cycles

L/H SEAT TRACK TRACK CORRODED BTW FR46 AND FR47. SEAT TRACK REPAIRED PER SRM 53-00-10 REPAIR 2

Part: SEAT TRACK — CORRODED (FRAMES 48-49) · corrosion level 2 · airframe 39,667 hrs · 24,681 cycles

L/H INBD SEAT TRACK AT FR48- FR49 CORRODED. REPAIRED PER SRM 53-00-10 REPAIR 2

Part: SEAT TRACK — CORRODED (FRAMES 43-45) · corrosion level 2 · airframe 39,667 hrs · 24,681 cycles

L/H INBD SEAT TRACK BTW FR 43 AND FR45 IS CORRODED. REPAIRED PER SRM 53-00-10

Part: SEAT TRACK — CORRODED (FRAME 77-78) · corrosion level 2 · airframe 39,667 hrs · 24,681 cycles

R/H INBD SEAT TRACK CORRODED BTW FR77 AND FR78. REPAIRED PER SRM53-00-10 REPAIR 2

Part: FITTING — CORRODED (WINDSHIELD) · corrosion level 2 · airframe 39,667 hrs · 24,681 cycles

FWD L/H WINDSCREEN BOTTOM ATTACH FITTING AND HARDWARE CORRODED REMOVED AND REPLACED FITTING AND HARDWARE PER 25-27-04

Part: RIB — CRACKED (HORIZONTAL STAB) · airframe 30,750 hrs · 19,618 cycles

DURING HEAVY CHECK INSPECTION MAINTENANCE FOUND CRACK ON RIB ON RH HORIZONTAL RIB 11A BETWEEN FRONT SPAR AND MID SPAR UPPER RIVET ROW OF RIB. REMOVED AND REPLACED RIB11A ON RH HORIZONTAL, REF EMB SRM 51-40-08. A/C REMAINS IN CHECK.

Part: SUPPORT FITTING — CORRODED (FUSELAGE) · corrosion level 2 · airframe 22,427 hrs · 15,756 cycles

MONUMENT SUPPORT FITTING HAS CORROSION ATTACHED TO THE FLOORBEAM FR 16; LBL 43". REMOVED AND REPLACE FITTING. REF SRM 51-40-02. SEE W/O H6609 SN 420 FOR WORK DETAILS. AIRCRAFT REMAINS IN HEAVY CHECK BNA.

Part: WEB — CORRODED (FUSELAGE) · corrosion level 2 · airframe 29,017 hrs · 18,353 cycles

CORROSION ON THE LT COCKPIT FLOOR STRUCTURE WEB LOCATED BETWEEN FR 8, 9, 10, 11, AND 12. FABRICATED, LOCATED AND DRILLED LT COCKPIT FLOOR DOUBLER SPLICES REF ETD2018-170-091159 REV A. INSTALLED LT COCKPIT FLOOR DOUBLER AND SPLICE DOUBLERS REF ETD2018-170-091159 REV A RESTORED SURFACE PROTECTANT AT LT COCKPIT FLOOR STRUCTURE WEB LOCATED BETWEEN FR 8, 9, 10, 11, AND 12 REF SRM 51-23-06. AIRCRAFT REMAINS IN HEAVY CHECK BNA.

Part: SUPPORT PLATE — CORRODED (FUSELAGE) · airframe 11,699 hrs · 7,940 cycles

FWD CARGO DOOR CUTOUT PLATE HAS EVIDENCE OF CORROSION.

Part: SEAT TRACK — CORRODED (FUSELAGE) · corrosion level 2 · airframe 27,945 hrs · 21,759 cycles

WHILE IN HEAVY MX CHECK, LEFT SEAT TRACK AT FRAME 12-20 HAS CORROSION. REMOVED AND REPLACED SEAT TRACK AS REQUIRED SRM 51-41-01,51-41-0251-41-43-05, 51-53-04.

Part: CLOSEOUT PANEL — CORRODED (FRAMES 17-20) · corrosion level 2 · airframe 23,730 hrs · 18,802 cycles

CORROSION FWD CARGO DOOR LOWER BEAM CLOSE-OUT PANEL REMOVED AND REPLACED FWD CARGO DOOR CLOSE OUT PANEL. REF EMBRAER SRM 51-40-02, 51-23-04, 51-23-05 & 51-23-06.

Part: SEAT TRACK — CORRODED (ZONE 100) · corrosion level 2 · airframe 13,761 hrs · 13,999 cycles

MAINTENANCE FOUND CORROSION ON SEAT TRACK. MAINTENANCE R & R THE SEAT TRACK IAW SRM 51-40-15-02-01.

Part: SEAT TRACK — CORRODED (ZONE 100) · corrosion level 2 · airframe 13,761 hrs · 13,999 cycles

DURING MAINTENANCE FOUND CORROSION ON SEAT TRACK. MAINTENANCE R & R THE SEAT TRACK IAW SRM 51-40-15-02-01.

Part: ACCESS PANEL — CORRODED (ZONE 600) · corrosion level 2 · airframe 11,233 hrs · 10,930 cycles

DURING HEAVY CHECK, CORROSION WAS FOUND ON ACCESS PANEL 622CT. MAINTENANCE R & R ACCESS PANEL IAW SRM 57-10-35.

Part: SKIN — CRACKED (LT WING) · airframe 17,416 hrs · 12,927 cycles

WHILE A/C WAS IN FOR HEAVY CHECK FOUND CRACK ON LT WING UPPER SKIN SURFACE AT SPAR 2 RIB 10 AREA. MX CUT OUT DAMAGE AND INSTALLED A FILLER AND DOUBLER IAW ETD 2011-170/02998 AND SB 170-57-0030 MAJOR REPAIR. FCS AFFECTED IS 57-10-00-003. TRANSFERRED TO LOG PAGE 260858/1. A/C REMAINS IN CMH FOR COMPLETION.