Boeing 747-121

Service difficulty reports · 3,030

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duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE aircraft_model_key = '747121'
  ORDER BY difficulty_date DESC"

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SDR UPS06446639Bulkhead · corrodedL/G RT WLG W/W BS 1241 RBL 7-8 I/B OF AILERON PROGRAMMER LWR WEB FOUND CORRODED. CORROSION BLEND OUT 0.054" BY 1.5" BY 6" EXCEED SRM 57-10-01 FIG 1 LIMITS, RT WLG W/W BS 1241 RBL 7-8 AREA BHD WEB REPAIRED AS PER HX RS NR R57-12-35467 AND UPS EO# B747-5710-240Mar 10, 2006 · N681UP · Boeing 747121 · Fuselage Main, BulkheadSDR UPS06446633Shear Tie · crackedAFT CARGO COMPT BS 1660 STR 38L-39L FRAME SHEAR TIE FOUND CRACKED, CRACK LENGTH 1/2". AFT CARGO COMPT BS 1660 STR 38L - 39L SHEAR TIE REPAIRED AS PER HX RS NR R53-61-35429 AND UPS EO NR B747-5310-24081-A.Mar 10, 2006 · N681UP · Boeing 747121 · Fuselage Internal Mounting StructureSDR UPS06446628Skin · crackedLT FLIGHT COMPT NR 3 WINDOW CUTOUT SKIN FOUND CRACKED AT AFT LOWER CORNER BOLT HOLE CUTOUT, CRACK LENGTH 3/4" APPROX. FX LT BS 330 TO BS 340 STR 7L TO STR 10L WINDOW CUTOUT SKIN REPAIRED AS PER HX RS NR R53-11-35448 WITHOUT ZERO TIMING SUBSEQUENT INSPECTION AMar 10, 2006 · N681UP · Boeing 747121 · Fuselage Main, Plate/SkinSDR UPS06446627Skin · crackedRT FLIGHT COMPT NR 3 WINDOW CUTOUT SKIN FOUND CRACKED AT AFT LOWER CORNER EDGED. FX RT BS 330 TO BS 340 STR 7R TO STR 10R WINDOW CUTOUT SKIN REPAIRED AS PER HX RS NR R53-11-35448 WITHOUT ZERO TIMING SUBSEQUENT INSP ARE NECESSARY FOR CATEGORY B REPAIR SEE SRM Mar 10, 2006 · N681UP · Boeing 747121 · Fuselage Main, Plate/SkinSDR UPS06446626Rib · crackedINSPECTION TYPE:C LHW NR 6 VC FLAP O/B ARM O/B RIB O/B SIDE CTR VERTICAL STIFFENER FASTENER HOLES CRACKED AT HOLES 1100, CRACK LENGTH 1.9". LHW NR 6 VC FLAP O/B ARM O/B RIB O/B SIDE CTR STIFFENER REPAIRED AS PER HX RS NR R57-41-35411 PERFORM DVI AT THE AFFECTMar 10, 2006 · N681UP · Boeing 747121 · Wing, Rib/BulkheadSDR UPS06446625Frame · crackedRT BS 340 UPPER DECK FLOORBEAM AT FRAME CONNECTION AREA 1 FASTENER HOLE CRACK AT FRAME, CRACK LENGTH 1/16". U/D BS 340 FLOORBEAM ATT FRAME REPAIRED AS PER HX RS# R53-12-35437, REF NRC# RH61151 FOR WORKING DETAIL AT BTN STR 10AR - 13AR AREA UPON ACCUMULATION OMar 10, 2006 · N681UP · Boeing 747121 · Fuselage Main, StructureSDR UPS06446624Frame · crackedRT BS 340 UPPER DECK FLOORBEAM AT FRAME CONNECTION FOUND 1 HOLE CRACK AT FRAME, CRACK LENGTH 1/16". UPPER DECK BS 340 FLOORBEAM ATTACHED FRAME REPAIRED AS PER HX RS# R53-12-35437 AT BETWEEN STR 10AR TO STR 13AR AREA UPON THE ACCUMULATION OF 10000 FLT CYC. PMar 10, 2006 · N681UP · Boeing 747121 · Fuselage Main, FrameSDR UPS06446593Floor Support · corrodedFLOOR SUPPORT AT BS 1800-1820 LBL55 FOUND CORROSION. CORROSION BLEND OUT 0.040" BY 1" BY 1" EXCEED SRM LIMIT. FLOOR SUPPORT REPLACED AS PER SRM 51-10-01 PG9Mar 10, 2006 · N681UP · Boeing 747121 · Fuselage Miscellaneous StructureSDR UPS06446591Floorbeam · crackedRT BS 340 U/D FLOORBEAM AT FRAME CONNECTION AREA 1 FASTENER HOLE CRACK AT FLOORBEAM WEB, CRACK LENGTH 1/16". U/D FLOORBEAM WEB REPAIRED AT BS 340 RBL 48 TO RT MOST O/B AREA AS PER SRM 53-10-07 FIG 11 REFER NRC6117 FOR WORKING DETAIL.Mar 10, 2006 · N681UP · Boeing 747121 · Fuselage Main, Floor BeamSDR UPS06446590Floorbeam · crackedFOUND RT BS 340 U/D FLOORRBEAM AT FRAME CONNECTION AREA HAS 1 HOLE CRACK AT FLOORBEAM WEB, CRACK LENGTH 1/16". FLOORBEAM WEB REPAIRED AT BS 340 RBL 48 TO RT MOST O/B AREA AS PER SRM 53-10-07 FIG 11.Mar 10, 2006 · N681UP · Boeing 747121 · Fuselage Main, Floor BeamSDR UPS06446589Support · corrodedFOUND AIR CONDITIONING BAY LT FAIRING SUPPORT UPPER SURACE FLOATING NUT AREA HAS SURFACE CORROSION AT STA 1047 LBL 57 TO LBL 80. CORROSION BLEND OUT 0.058" BY 1.5" BY 3" EXCEED SRM LIMIT. BS 1047 LBL 57 TO LBL 80 FAIRING SUPPORT REPLACED AND INSTALLED AS PERMar 10, 2006 · N681UP · Boeing 747121 · Fuselage Main, StructureSDR UPS06446586Floorbeam · corrodedFTG ATT FLR SUPPORT PLATE AT BS 1780 LBL 55-70 FOUND CORROISON. CORROSION BLEND OUT 0.029" BY 1" BY 1" EXCEED SRM LIMIT. TIE DOWN FTG AND SUPPORT PLATE REPLACED AS PER MM 53-42-00. PART NUMBER : 69B62271-3 / 69B62265-1 / 69B62271-1.Mar 10, 2006 · N681UP · Boeing 747121 · Fuselage Main, Floor BeamSDR UPS06446585Floorbeam · corrodedFLR FTG ATT FLR SUPPORT PLATE AT BS 1820 LBL 50 FOUND CORROSION. CORROSION BLEND OUT 0.055" BY 1.5" BY 1.5" EXCEED SRM LIMIT. SUPPORT PLATE REPLACED AS PER MM 53-42-00.Mar 10, 2006 · N681UP · Boeing 747121 · Fuselage Main, Floor BeamSDR UPS06446578Cargo Track · corrodedINSPECTION TYPE:C M/D SEAT TRACK FOUND CORROSION REVEALED AT BS 1700-1720 RBL 11. CORROSION BLEND OUT 0.042" X 1" X 2" EXCEED SRM 53-10-01 FIG 1 LIMITS, M/D BS 1610 TO BS 1750 RBL 11 TRACK REPAIRED AS PER SRM 53-10-05 FIG 14.Mar 10, 2006 · N681UP · Boeing 747121 · Fuselage, Seat/Cargo Attach FittingsSDR UPS06446565Floorbeam · corrodedFLOOR FTG ATT FLOOR SUPPORT PLATE AT BS 1820 LBL11-30 FOUND CORRODED. CORROSION BLEND OUT 0.020" BY 0.5" BY 0.5" EXCEED SRM LIMIT. FLOOR FTG REPLACED AS PER MM 53-42-00.Mar 10, 2006 · N681UP · Boeing 747121 · Fuselage Main, Floor BeamSDR UPS06446564Floorbeam · corrodedFLOOR FTG ATT FLOOR SUPPORT PLATE FOUND CORROSION AT BS 1860 LBL35. CORROSION BLEND OUT 0.026" BY 0.5" BY 1" EXCEED SRM LIMIT. FLOOR FTG REPLACED AS PER MM 53-42-00.Mar 10, 2006 · N681UP · Boeing 747121 · Fuselage Main, Floor BeamSDR UPS06446563Floorbeam · corrodedFLOOR FTG ATT FLOOR SUPPORT PLATE FOUND CORROSION AT BS 1840 LBL35. CORROSION BLEND OUT 0.034" BY 1" BY 1" EXCEED SRM LIMIT. TIE DOWN FTG REPLACED AS PER MM 53-42-00.Mar 10, 2006 · N681UP · Boeing 747121 · Fuselage Main, Floor BeamSDR UPS06446562Floorbeam · corrodedFLOOR FTG ATT FLOOR SUPPORT PLATE AT BS 1700 RBL35-55 FOUND CORROSION. CORROSION BLEND OUT 0.027" BY 1" BY 3" EXCEED SRM LIMIT. TIE DOWN FTG ASSY REPLACED AS PER MM 20-51-01.Mar 10, 2006 · N681UP · Boeing 747121 · Fuselage Main, Floor BeamSDR UPS06446561Floorbeam · corrodedFLOOR FTG ATT FLOOR SUPPORT PLATE AT BS 1780 RBL60 FOUND CORROSION. CORROSION BLEND OUT 0.024" BY 1.5" BY 1.5" EXCEED SRM LIMIT. TIE DOWN FITTING REPLACED AS PER MM 53-42-00.Mar 10, 2006 · N681UP · Boeing 747121 · Fuselage Main, Floor BeamSDR UPS06446560Floorbeam · corrodedFLT FTG ATT FLR SUPPORT PLATE AT BS1720 LBL65 FOUND CORRODED. CORROSION BLEND OUT 0.021" BY 0.5" 1" EXCEED SRM LIMIT. SUPPORT PLATE REPLACED AS PER MM 53-42-00.Mar 10, 2006 · N681UP · Boeing 747121 · Fuselage Main, Floor BeamSDR UPS06446559Floorbeam · corrodedFLOOR FTG ATT FLR SUPPORT PLATE AT BS 1800 LBL55-60 FOUND CORROSION. CORROSION BLEND OUT 0.020" BY 1" BY 3" EXCEED SRM LIMIT. TIE DOWN FTG REPLACED AS PER MM 53-42-00.Mar 10, 2006 · N681UP · Boeing 747121 · Fuselage Main, Floor BeamSDR UPS06446557Floorbeam · corrodedFLOOR FTG ATT FLR SUPPORT PLATE AT BS 1780 RBL 78 FOUND CORROSION. CORROSION BLEND OUT 0.070" BY 0.5" BY 2" EXCEED SRM LIMIT. FLOOR FTG REPLACED AS PER MM 20-51-01.Mar 10, 2006 · N681UP · Boeing 747121 · Fuselage Main, Floor BeamSDR UPS06446556Floorbeam · corrodedFLOOR FTG ATT FLOOR SUPPORT PLATE AT BS 1800 LBL 55 FOUND CORROSION. CORROSION BLEND OUT 0.023" BY 1" BY 2" EXCEED SRM LIMIT. FLOOR FTG REPLACED AS PER MM 20-51-01.Mar 10, 2006 · N681UP · Boeing 747121 · Fuselage Main, Floor BeamSDR UPS06446538Skin · damagedINSPECTION TYPE:C FX- SKIN LAP S-40L OUTER SKIN 1 TOP ROW FASTENER LOCATION AT BS 1866 FOUND MATERIAL LOSS APPROX 0.011" ( IE. 710% ). FUSELAGE OVERLAPPING SKIN REPAIRED AT BS 1860-1875.5 S39L - 40L AREA AS PER SRM 53-30-03 FIG 17 WITH ZERO TIME AT CRITICAL RMar 10, 2006 · N681UP · Boeing 747121 · Fuselage Main, Plate/SkinSDR UPS06446505Skin · damagedINSPECTION TYPE:C FX SKIN LAP S39L OUTER SKIN 1EA TOP ROW FASTENER LOCATION AT BS 746 FOUND MATERIAL LOSS APPROX 0.010" ( IE > 10% ) FX SKIN, OVERLAPPING SKIN REPAIRED AT BS 740-770 S38L - 39L AREA AS PER SRM 53-30-03 FIG 48 WITHOUT ZERO TIMING AT CRITICAL ROWMar 10, 2006 · N681UP · Boeing 747121 · Fuselage Main, Plate/SkinSDR UPS06446504Skin · damagedINSPECTION TYPE:C FX SKIN LAP S39L CUTER SKIN 1EA TOP ROW FASTENER LOCATION AT BS 764 FOUND MATERIAL LOSS APPROX 0.11" ( IE > 10% ), REF NRC NR 5997 SKIN REPAIR WORKING DETAIL OVERLAPPING SKIN REPAIRED AT BS 740-770 S38L - 39L AREA AS PER SRM 53-30-03 FIG 48 Mar 10, 2006 · N681UP · Boeing 747121 · Fuselage Main, Plate/SkinSDR UPS06446503Skin · damagedINSPECTION TYPE:C FX SKIN LAP S39L OUTER SKIN 1EA TOP ROW FASTENER LOCATION AT BS 789 FOUND MATERIAL LOSS APPROX 0.012" ( IE > 10% ), FUSELAGE OVERLAPPING SKIN REPAIRED AT BS 782-795 S38L - S39L AREA AS PER SRM 53-30-03 FIG 11 WITHOUT ZERO TIMING AT CRITICAL RMar 10, 2006 · N681UP · Boeing 747121 · Fuselage Main, Plate/SkinSDR UPS06446502Skin · crackedINSPECTION TYPE:C FX SKIN LAP S19L 1EA TOP ROW FASTENER HOLE FOUND OUTER SKIN CRACK APPROX 1/4" LONG RUNNING AFT. FX LAPPING SKIN REPAIRED AT BS1605-1617.5 STR 18L-19L AREA AS PER SRM 53-30-03 FIG 17 WITHOUT ZERO TIME AT CRITICAL ROW FASTENER. SUBSEQUENT INSMar 10, 2006 · N681UP · Boeing 747121 · Fuselage Main, Plate/SkinSDR UPS06446501Seat Track · crackedSEAT TRACK FOUND CRACKED AT BS 1780-1782 RBL38, CRACK LENGTH 1". SEAT TRACK REPAIRED AS PER SRM 53-10-05 FIG1 A.Mar 10, 2006 · N681UP · Boeing 747121 · Fuselage, Seat/Cargo Attach FittingsSDR UPS06446500Shear Tie · crackedINSPECTION TYPE:C AFT CARGO COMPT BS1720 STR 33L-34L FRAME SHEAR TIE FOUND CRACK, CRACK LENGTH 1/4". AFT CARGO COMPT BS 1720 STR 34L-33L FRAME SHEAR TIE REPAIRED AS PER SRM 53-10-04 FIG I3.Mar 10, 2006 · N681UP · Boeing 747121 · Fuselage Internal Mounting StructureSDR UPS06446632Stringer Splice · crackedAFT CARGO COMPT BS 1740 STR 38L STR SPLICE FOUND CORROSION CRACK, CORROSION CRACK LENGTH 3/4". STRINGER SPLICE AND SKIN REPAIRED AS PER HX RS NR R53-61-35429 AND UPS EO NR B747-5310-24081-A.Mar 9, 2006 · N681UP · Boeing 747121 · Fuselage Main, Longeron/StringerSDR UPS06446631Rib · crackedRT WING NR 17VC FLAP O/B ARM O/B RIB ILES 766 TOP FLANGE I/B AND O/B SIDE FASTENER HOLE CRACK AT SEVERAL LOCATION. RHW NR 17 VC FLAP O/B ARM O/B RIB REPLACED AS PER SRM 51-10-01 PG 9 AND INSTALLED AS PER SRM 51-30-02.Mar 9, 2006 · N681UP · Boeing 747121 · Wing, Rib/BulkheadSDR UPS06446483Stringer · crackedINSPECTION TYPE:C AFT CARGO COMPT BS 1745 STR 40L STRINGER FOUND CRACK, CRACK LENGTH 1.5". AFT CARGO COMPT BS 1743 TO BS 1768 STR 40L STRINGER REPAIRED AS PER SRM 53-10-03 FIG 1.Mar 9, 2006 · N681UP · Boeing 747121 · Fuselage Main, Longeron/StringerSDR UPS06446640Rib · crackedINSPECTION TYPE:C RT WING NR 21 VC FLAP O/B ARM O/B ROTARY SUPPORT RIB O/B TOP FLANGE CRACKED AT ILES 1094 APP, CRACK LENGTH 1/4" TO 1.25". RT WING NR 21 VC FLAP O/B ARM O/B ROTARY SUPPORT RIB REPAIRED AS PER RS NR R57-41-35464 PERFORM DVI. REQUIRE AT THE AFMar 8, 2006 · N681UP · Boeing 747121 · Wing, Rib/BulkheadSDR UPS06446638Bulkhead · corrodedRT WLG W/W CANTED BULKHEAD LOWER AREA SURFACE CORROSION REVEALED AT BS 1241 RBL 36-50. CORROSION BLEND OUT 0.039" BY 2" BY 12" EXCEED SRM 53-10-01 FIG 1 LIMITS, RT WLG W/W CANTED BULKHEAD BS 1238 TO BS 1241 RBL 35" TO RBL 55". REPAIRED AS PER HX RS NR R53-48Mar 8, 2006 · N681UP · Boeing 747121 · Fuselage Main, BulkheadSDR UPS06446629Structure · crackedNR 4 PYLON REAR ENGINE MOUNT BULKHEAD FOUND CRACK AT RT FWD FRAME WEB, CRACK LENGTH 7/16". REAR ENG MOUNT BULKHEAD FRAME 4 REPLACED AND REPAIRED AS PER HX RS NR R54-53-35457 CONTINUED TO INSP. THE REAR ENGINE MOUNT BULKHEAD PER THE REQUIREMENTS OF THE HX RS Mar 8, 2006 · N681UP · Boeing 747121 · Nacelle/Pylon, Main FrameSDR UPS06446622Skin · dentedEMP AFT JACK PAD AREA BS 2598 TO BS 2618 STR 49R TO STR 51R FOUND DENT, DENT EXCEEDS LIMIT. EMP BS 2598 TO BS 2627 STR 49L AND STR 42R SKIN REPAIRED AS PER SRM 53-30-03 FIG 1A.Mar 8, 2006 · N681UP · Boeing 747121 · Fuselage Main, Plate/SkinSDR UPS06446569Web · crackedSTA 1480 RT FAIRING SUPPORT ATT WEB FOUND CRACKED AT O/B SIDE RBL 90 TO 92 AND RBL 100 TO 100 (3 LOCATIONS) WBL127, CRACK LENGTH : 3/8", 1/4" AND 3/4" SUPPORT WEB REPAIRED AT BS 1480 RBL 90 TO RBL 92 AND RBL 100 TO RBL 103 AS PER SRM 51-40-02 FIG 1.Mar 8, 2006 · N681UP · Boeing 747121 · Fuselage Miscellaneous StructureSDR UPS06446484Spar · crackedINSPECTION TYPE:C NR 2 PYLON LOWER SPAR WEB UPPER AT NAC STA 248 O/B RIVET AREA CRACKED, CRACK LENGTH 0.40". NR 2 PYLON LOWER SPAR WEB AT NAC STA 248 O/B AREA REPAIRED AS PER SRM 54-10-03 FIG 2.Mar 8, 2006 · N681UP · Boeing 747121 · Nacelle/Pylon, Frame/Spar/RibSDR UPS06446587Support · crackedINSPECTION TYPE:C FX AIR CONDITIONING BAY RT PANEL SUPPORT UPPER CHORD FOUND CRACKED AT STA 1233-STA 1235 RBL105 WING CENTER SECTION LOWER EXTERNAL SURFACE AS MARK, CRACK LENGTH 1.25". FX AIR CONDITIONING BAY RT PANEL SUPPORT UPPER CHORD REPLACED AT BS 1159 TMar 7, 2006 · N681UP · Boeing 747121 · Fuselage Main, StructureSDR UPS06446580Frame · crackedINSPECTION TYPE:C M/D MED #1R CUTOUT BS 488 FRAME WEB FOUND CRACK EXTEND BEYOND #9 DOOR STOP BY 1/16" AS MARKED.(CRACK LENGTH 1" ) M/DECK BS 488 BETWEEN S16R TO S19R FRAME WEB REPAIRED AS PER SRM 53-10-04 FIG 121. CRACK FREE AT TRIM LINE AREA & INNER CHORMar 7, 2006 · N681UP · Boeing 747121 · Fuselage Main, FrameSDR UPS06446537Attach Fitting · crackedINSPECTION TYPE:C FX- LT NOSE WHEEL WELL INTERNAL VERTICAL BEAM ATTACH CLIP FOUND CRACKED AT STA 300 LOWER NR 1 CLIP (COUNT FROM LOWER ) (CRACK LENGTH 3/8" ). FX- LT NOSE WHEEL WELL INTERNAL VERTICAL BEAM ATTACH CLIP REPLACED AS PER SRM 51-10-01 PG 9 AND INSTMar 7, 2006 · N681UP · Boeing 747121 · Fuselage Main, Attach FittingsSDR EIA2006027Adc · failedAFTER TAKEOFF AIRCRAFT RETURNED TO JFK WITH A HARD FAIL ON NR 1 CADC. REMOVED AND REPALCED F/O'S PITOT TUBE PER MM 34-11-01. PITOT STATIC CHECK GOOD PER 34-11-00. REPLACED FLEX LINE TO TCAS INDICATOR.Feb 20, 2006 · N480EV · Boeing 747121 · Air Data ComputerSDR UPS06445929Pan · corrodedCORROSION FOUND AT LAV DUMP PAN AREA. RMVD CORRODED FRAMES & INTERCOSTALS. CKD INNER SKIN-NO DISCREPANCIES - OK TO REPLACE CORRODED PARTS. INSTALLED NEW FRAMES & INTERCOSTALS PER SRM 51-30-02 & EO B747-5330-23587A. DRILLED RT INTERCOSTAL FROM HOLES, DRILLEDJan 9, 2006 · N682UP · Boeing 747121 · Waste Disposal SystemSDR UPS06445923Zipper · brokenZIPPER BROKEN ON RT SMOKE CURTAIN, EYE TO FWD CARGO. PO OA879126 PLACED ON DEFERRED MAINTENANCE. R & R SMOKE BARRIER BETWEEN E & E COMPARTMENT AND LWR FWD CARGO HOLD THIS CLEARS D317769.Jan 8, 2006 · N683UP · Boeing 747121 · Emergency EquipmentSDR EIA2006003Smoke Detector · no testMAIN DECK NR 5A SMOKE DETECTOR DOES NOT TEST. REMOVED AND REPLACED SMOKE DETECTOR PER MM 26-14-02, SYSTEM OP'S CK GOOD PER MM 26-14-00.Jan 6, 2006 · N480EV · Boeing 747121 · Smoke DetectionSDR UPS06445908Thrust Link · crackedAD CRACK INDICATIONS FOUND AT NR2 ENG MOUNT THRUST LINK THE INDICATIONS LOCATED AT FWD AND AFT LUG BORE WHICH WERE EXCEEDED THE LIMITS. THRUST LINK REPLACED REF MM 71-21-03.Dec 30, 2005 · N682UP · Boeing 747121 · Engine Mount SectionSDR UPS06445907Thrust Link · crackedAD CRACK INDICATIONS FOUND AT NR 4 ENG MOUNT THRUST LINK THE INDICATIONS LOCATED AT FWD AND AFT LUG BORE WHICH WERE EXCEEDED THE LIMITS. THRUST LINK REPLACED. REF MM 71-21-03.Dec 30, 2005 · N682UP · Boeing 747121 · Engine Mount SectionSDR UPS06445906Thrust Link · crackedAD NR 4 ENGINE REAR ENGINE MOUNT THRUST LINK FOUND CRACKED INDICATION ON FWD END LUG BORE LOWER AREA. NR 4 ENG THRUST LINK REPLACED IAW EO B747-7120-22596 APPENDIX I.Dec 29, 2005 · N683UP · Boeing 747121 · Engine Mount SectionSDR UPS06445905Thrust Link · crackedAD NR 2 ENGINE REAR ENGINE MOUNT THRUST LINK FOUND CRACKED INDICATION ON AFT END LUG BORE LOWER AREA. NR 2 ENG THRUST LINK REPLACED IAW EO NR B747-7120-22596 APPENDIX G.Dec 29, 2005 · N683UP · Boeing 747121 · Engine Mount Section
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