21826 1 () 210826 767 747-400 SSID)
21826 Contents 1. 2. 3. 4. 767 5. 747-400 400 6. Contents 1. 2. 3. 4. 767 5. 747-400 6. 2
21826 1. System Structure MRB Report MPD Fig. A 1. MRB Maintenance Review Board Report --- FAA --- MPD Maintenance Planning Data --- --- Airline Maintenance Program --- ANA SYMR System Maintenance Requirement STMR Structure Maintenance Requirement Appendix --- 3
21826 1. Fig. B Contents 1. 2. FAR/MRB Report/MPD 3. 4. 767 5. 747-400 6. 4
21826 2. Document FAR FAR (Federal Aviation Regulation) --- --- Part 25 Subpart D MRB MRB (Maintenance Review Board) Report SECTION 3. STRUCTURAL INSPECTION PROGRAM MPD MPD (Maintenance Planning Data) SECTION 8. STRUCTURAL INSPECTION PROGRAM MRBR/MPD Document 2. FAR (Federal Aviation Regulation) --- --- Part 25 Subpart D 25.611 Means must be provided to allow inspection (including inspection of principal structure elements and control systems), replacement Nondestructive inspection aids may be used to inspect structural elements where it is impracticable to provide means for direct visual inspection and the inspection procedures are specified in the maintenance manual. 5
21826 2. 2. MRB Report MPD SECTION 3. STRUCTURAL INSPECTION PROGRAM This program is designed to provide timely detection and repair of structural damage which may occur in the 767 fleet during commercial operations. Detection of corrosion, stress corrosion, minor accidental damage and fatigue cracking by visual and/or NDI procedures is considered 6
21826 2. / 2. Special Detailed inspections are to be used when specified for inspecting hidden details or may be used as alternatives to detailed visual inspections 7
21826 Contents 1. 2. 3. (1) (2) 4. 767 5. 747-400 6. 3. (1) 8
21826 9 3. (1) X NAS410 3. (1)
21826 10 3. (2) Procedure Manual Procedure Manual 3. (2)
21826 3. (2) 3. (2) 11
21826 Contents 1. 2. 3. 4. 767 (1) (2) 5. 747-400 6. 4. (1) 767 - MPD Boeing 767 Structure 12
21826 4. (1) 767 - arudder Spar and adjacent Structure 4C Intervals UT Figure 1 b Elevator Spar and adjacent Structure 4C Intervals UT Figure 2 c SSIPStructural Supplemental Inspection Program JCAB 20031016 25,000 50,0002 25,000 Figure 325,000 4. (1) (a) Inspection Rudder Spar & Adjacent Structure Figure 1 13
21826 4. (1) (a) Inspection Rudder Spar & Adjacent Structure Figure 1 4. (1) (b) Inspection Elevator Spar & Adjacent Structure Figure 2 14
21826 4. (1) (b) Inspection Elevator Spar & Adjacent Structure Figure 2 4. (1) (c) Structural Supplemental Inspection Program Figure 3 15
21826 4. (1) (c) Structural Supplemental Inspection Program Instruments: Phasec 1.1 or Equiv. Probe: A Reflection Type of Ring Probe 1.2 inch outer diameter (Max), 0.9 inch height, operated at 500 Hz Reference Standard: NDT622 Figure 3 4. (2) 767 (a) Post Repair Inspection Fuselage External Skin Repair per SRM 53-00-01 Figure 4 16
21826 4. (2) ET Fuselage Post Repair Inspection Figure 4 Contents 1. 2. 3. 4. 767 5. 747-400 (SSID: (1) SSID (2) 6. 17
21826 5. (1) 747-400 SSID B767 20,000 JCAB 20,000 (a) 313 (b) 12,000 12,000 (c) ET ET 41% UT - 14% RT 3% DET 25% Surv - 17% MT (1) (d) - 121-41 - 149-2 5. (2) 747-400 SSID Fuselage Lap Joint --- HFEC (Hi Frequency Eddy Current) --- LFEC (Low Frequency Eddy Current) Figure 6 (a) 4500 (b) 9,000 (HFEC) / 3,000 (LFEC) 18
21826 5. (2) 747-400 SSID Figure 5 5. (2) 747-400 SSID Figure 5 19
21826 Contents 1. 2. 3. 4. 767 5. 747-400 6. Accidental Damage 6. Accidental Damage B787 CFRP 2008 Segment Tail Strike 20
21826 6. Accidental Damage Working Together Team Airline NDT Manual Procedure - SHM Structural Health Monitoring - 3D - Pulsed Thermography - 21