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 UPS03441290Rib · corrodedINSPECTION TYPE: C, LT WING - NR 10 V/C FLAP I/B LINKAGE I/B RIB NR 1 TO NR 5 AND NR 8 ROTARY ACTUATOR MOUNTING HOLES FOUND PITTING CORROSION (COUNT FROM I/B CLOCKWISE). NR 1 TO NR 5 AND NR 8 BOLT HOLES REPAIRED AS PER RS 57-41-35066 AND REFER EO B747-5740-1Sep 5, 2003 · N682UP · Boeing 747121 · Wing, Rib/BulkheadSDR UPS03441289Rib · corrodedINSPECTION TYPE: C, LT WING NR 10 V/C FLAP I/B LINKAGE O/B RIB NR 4, NR 5 AND NR 7 ROTARY ACTUATOR MOUNTING HOLES FOUND PITTING CORROSION (COUNT FROM I/B CLOCKWISE). BOLT HOLE NR 4, NR 5 AND NR 7 REPAIRED AS PER RS 574135066 AND REFER EO B747-5740-19269-A FOSep 5, 2003 · N682UP · Boeing 747121 · Wing, Rib/BulkheadSDR UPS03441288Rib · corrodedINSPECTION TYPE: C, RT WING NR 18 V/C FLAP I/B LINKAGE O/B RIB NR 1 TO NR 3, NR 5, NR 6 AND NR 8 ROTARY ACTUATOR MOUNTING HOLES FOUND PITTING CORROSION (COUNT FROM I/B CLOCKWISE). NR 1 TO NR 3, NR 5, NR 6 AND NR 8 BOLT HOLES REPAIRED AS PER RS 574135066 AND Sep 5, 2003 · N682UP · Boeing 747121 · Wing, Rib/BulkheadSDR UPS03441287Rib · corrodedINSPECTION TYPE: C, RT WING NR 19 V/C FLAP I/B LINKAGE I/B RIB NR 1 TO NR 7 ROTARY ACTUATOR MOUNTING HOLES FOUND PITTING CORROSION (COUNT FROM I/B CLOCKWISE). NR 1 TO NR 7 BOLT HOLES REPAIRED AS PER RS 57-41-35066 AND REFER EO B747-5740-19269-A FOR REPEAT INSSep 5, 2003 · N682UP · Boeing 747121 · Wing, Rib/BulkheadSDR UPS03441286Rib · corrodedINSPECTION TYPE: C, RT WING NR 19 V/C FLAP I/B LINKAGE O/B RIB NR 4 TO NR 8 ROTARY ACTUATOR MOUNTING HOLES FOUND PITTING CORROSION (COUNT FROM I/B CLOCKWISE). NR 4 TO NR 8 BOLT HOLES REPAIRED AS PER RS 57-41-35066 AND REFER EO B747-5740-19269-A FOR REPEAT INSSep 5, 2003 · N682UP · Boeing 747121 · Wing, Rib/BulkheadSDR UPS03441285Rib · corrodedINSPECTION TYPE: C, RT WING NR 19 V/C FLAP O/B LINKAGE I/B RIB NR 1, NR 7 AND NR 8 ROTARY ACTUATOR MOUNTING HOLES FOUND PITTING CORROSION. NR 1, NR 7 AND NR 8 BOLT HOLES REPAIRED AS PER RS 57-41-35066 AND REFER EO B747-5740-19269-A FOR REPEAT INSPECTION INSTSep 5, 2003 · N682UP · Boeing 747121 · Wing, Rib/BulkheadSDR UPS03441284Rib · corrodedINSPECTION TYPE: C, RT WING - NR 19 V/C FLAP O/B LINKAGE O/B RIB NR 1, NR 6 AND NR 7 ROTARY ACTUATOR MOUNTING HOLES FOUND PITTING CORROSION (COUNT FROM I/B CLOCKWISE). NR 1, NR 6 AND NR 7 BOLT HOLES REPAIRED AS PER RS 57-41-35066 AND REFER EO B747-5740-19269-Sep 5, 2003 · N682UP · Boeing 747121 · Wing, Rib/BulkheadSDR UPS03441283Rib · corrodedINSPECTION TYPE: C, RT WING - NR 20 V/C FLAP I/B LINKAGE O/B RIB NR 2, NR 3 AND NR 8 ROTARY ACTUATOR MOUNTING HOLES FOUND PITTING CORROSION (COUNT FROM I/B CLOCKWISE). NR 2, NR 3 AND NR 8 BOLT HOLES REPAIRED AS PER RS 57-41-35066 AND REFER EO B747-5740-19269Sep 5, 2003 · N682UP · Boeing 747121 · Wing, Rib/BulkheadSDR UPS03441282Rib · corrodedINSPECTION TYPE: C, RT WING - NR 20 V/C FLAP O/B LINKAGE I/B RIB NR 8 ROTARY ACTUATOR MOUNTING HOLE FOUND PITTING CORROSION (COUNT FROM I/B CLOCKWISE). NR 8 BOLT HOLE REPAIRED AS PER RS 57-41-35066 AND REFER EO B747-5740-19269-A FOR REPEAT INSPECTION INSTRUSep 5, 2003 · N682UP · Boeing 747121 · Wing, Rib/BulkheadSDR UPS03441281Rib · corrodedINSPECTION TYPE: C, RT WING NR 26 V/C FLAP O/B LINKAGE I/B RIB NR 1 TO NR 8 ROTARY ACTUATOR MOUNTING HOLES FOUND PITTING CORROSION (COUNT FROM I/B CLOCKWISE). NR 1 TO NR 8 BOLT HOLES REPAIRED AS PER RS 57-41-35066 AND REFER EO B747-5740-19269-A FOR REPEAT INSep 5, 2003 · N682UP · Boeing 747121 · Wing, Rib/BulkheadSDR UPS03441280Rib · corrodedINSPECTION TYPE: C, RT WING NR 21 V/C FLAP O/B LINKAGE O/B RIB NR 3 TO NR 7 ROTARY ACTUATOR MOUNTING HOLES FOUND PITTING CORROSION (COUNT FROM I/B CLOCKWISE). NR 3 TO NR 7 BOLT HOLES REPAIRED AS PER RS 57-41-35066 AND REFER EO B747-5740-19269-A FOR REPEAT INSep 5, 2003 · N682UP · Boeing 747121 · Wing, Rib/BulkheadSDR UPS03441275Rib · corrodedINSPECTION TYPE: C, RT WING NR 21 V/C FLAP O/B LINKAGE IB RIB NR 7 ROTARY ACTUATOR MOUNTING AREA FOUND CORRODED ( COUNT FROM IB CLOCKWISE ). NR 7 BOLT AREA REPAIRED IAW RS 57-41-35066 AND REFER EO B747-5740-19269-A FOR REPEAT INSPECTION INSTRUCTIONS.Sep 5, 2003 · N682UP · Boeing 747121 · Wing, Rib/BulkheadSDR UPS03441272Rib · crackedINSPECTION TYPE: C, LT WING NR 3 V/C FLAP O/B LINKAGE O/B SUPPORT RIB FOUND CRACKED. LT WING NR 3 V/C FLAP O/B LINKAGE O/B SUPPORT RIB REPAIRED AS PER RS R57-41-35067 & UPS CONTINUE EO B747-5740-19269-A RAISED.Sep 5, 2003 · N682UP · Boeing 747121 · Trailing Edge FlapsSDR UPS03441268Door Frame · crackedINSPECTION TYPE: C, M/D- R1 DOOR AFT UPPER STOP FITTING AREA DOOR FRAME FOUND CRACK. M/D - R1 DOOR AFT UPPER STOP FITTING AREA DOOR FRAME REPAIRED AS PER RS R52-11-35073 AND UPS ENGINEERING FILE 747-52-20007.Sep 5, 2003 · N682UP · Boeing 747121 · Fuselage Main, StructureSDR UPS03441234Cargo Track · corrodedBS 554 RBL 46 TIE DOWN TRACK LT FLANGE CORRODED. CORROSION REMOVED IAW SRM 51-10-01. CORROSION BLEND OUT 0.045 X 1 X 3 EXCEED SRM 53-10-01 FIG 1 LIMITS , FOR REPAIR REFER TO SRM FIG 53-10-05 FIG 6. CIC APPLIED IAW EO M-5100-2780-ESep 5, 2003 · N682UP · Boeing 747121 · Fuselage, Seat/Cargo Attach FittingsSDR UPS03441233Floorbeam · corrodedBS 400 FLOORBEAM UPPER SECTION UPPER FACE BTN RBL 0 / RBL 37 CORRODED. CORROSION REMOVED IAW SRM 51-10-01 CORROSION BLEND OUT 0.050 INCH X 1 INCH X 1 INCH EXCEED SRM 53-10-01 FIG 1 LIMITS, FOR BS400 RBL 0" REPAIR REFER SRM 53-10-07 FIG 8. CIC APPLIED IAW EO MSep 5, 2003 · N682UP · Boeing 747121 · Fuselage Main, Floor BeamSDR UPS03441271Skin · crackedINSPECTION TYPE: C, RT STA 2638 STR 8-9 SKIN CRACKED (ABOVE I/B ELEV). SKIN REPAIRED AS PER SRM 53-30-03 FIG 1A.Sep 4, 2003 · N682UP · Boeing 747121 · Fuselage Main, Plate/SkinSDR UPS03441267Bolt · brokenINSPECTION TYPE: C, HORIZONTAL STAB BOX INTERIOR RT BL 43.5 WEB UPPER CORNER 2 EACH MOUNTING SCREW BROKEN. HORIZONTAL STAB BOX INTERIOR RT BL 43-5 WEB UPPER CORNER UPPER BOLT HOLE OVERSIZED AND BOLT REINSTALLED IAW SB 747-55A2050 R1 LWR BOLT REPLACED PER MM Sep 4, 2003 · N682UP · Boeing 747121 · Horizontal Stabilizer StructureSDR UPS03441262Skin · crackedINSPECTION TYPE: C, LOWER FUSELAGE EXTERNAL SKIN EDGE FOUND CRACKED AT STA 1480 RT SIDE STR 41 TO 42 RT. LOWER FUSELAGE EXTERNAL SKIN REPAIRED AS IAW RS NR R-53-61-35068 JUST AT STA 1480 RT SIDE STR 41R TO STR 42R AND REF UPS ENGINEERING FILE NR 747-53-201Sep 4, 2003 · N682UP · Boeing 747121 · Fuselage Main, Plate/SkinSDR UPS03441246Skin · crackedINSPECTION TYPE: C, ONE EACH FASTENER HOLE FOUND CRACK AT BS 1830 STR 4R APPROX 0.020 INCH LONG RUNNING TOWARD AFT. CRACKED PORTION AT TOP SKIN WERE TRIMMED OFF IAW SRM 51-10-01 AND 51-10-02 NDT INSP THE CUT-EDGE NO DEFECTS AND PERFORMED A EXT PATCH REPAIRESep 4, 2003 · N682UP · Boeing 747121 · Fuselage Main, Plate/SkinSDR UPS03441235Cargo Track · corrodedINSPECTION TYPE: C, BS 500 - 520 RBL 46 TIE DOWN TRACK RT FLANGE CORRODED. CORROSION REMOVED IAW SRM 51-10-01. CORROSION BLEND OUT 0.040 X 1 X 10 EXCEED SRM 53-10-01 FIG 1 LIMITS FOR REPAIR REFER TO SRM FIG 53-10-05 FIG 6. CIC APPLIED IAW EO M5100-2780-ESep 4, 2003 · N682UP · Boeing 747121 · Fuselage, Seat/Cargo Attach FittingsSDR UPS03441232Cargo Track · corrodedINSPECTION TYPE: C U/D, BS 480 - 500 RBL 65 TIE DOWN TRACK LT FLANGE CORRODED. CORROSION BLEND OUT 0.045 INCH X 1 INCH X 12 INCH EXCEED SRM 53-10-01 FIG 1 LIMITS. CORROSION REMOVED IAW SRM 51-10-01. SEAT TRACK REPAIRED REFER TO SRM 53-10-05 FIG 6. CIC APPSep 4, 2003 · N682UP · Boeing 747121 · Fuselage, Seat/Cargo Attach FittingsSDR UPS03441264Seat Track · corrodedINSPECTION TYPE: C, M/D SEAT TRACK FOUND CORRODED AT SEVERIAL LOCATIONS AS MARKED. REF WAN NR 796157. CORROSION BLEND OUT 0.039 INCH X 1 INCH X 4 INCHES EXCEED SRM 53-10-01 FIG 1 LIMITS, CORROSION REMOVED IAW SRM 51-10-01 AND SEAT TRACK REPAIRED REFER TO SRSep 3, 2003 · N682UP · Boeing 747121 · Fuselage, Seat/Cargo Attach FittingsSDR UPS03441322Angle · corrodedINSPECTION TYPE: C, FX NOSE TUNNEL RT WW SIDEWALL ATTACH ANGLE CORRODED AT STA 380. CORROSION BLEND OUT 0.040 X 1.25 X 4 INCH. BS 380 RT VERT ANGLE REPAIRED AS PER RS R53-18-35076 AND UPS EO B747-5310-19273-A FOR REPEAT DETAIL EXTERNAL VISUAL INSPECTION.Sep 3, 2003 · N682UP · Boeing 747121 · Wing Miscellaneous StructureSDR UPS03441318Web · crackedINSPECTION TYPE: C, SEVERAL CRACKS WERE FOUND AT NR 3 PYLON REAR MOUNT BULKHEAD FORWARD AND AFT FRAME WEB, DETAILS PLEASE REER ATTACHED FIGURE. FRAME WEBS REPLACED AND REPAIRED AS PER RS R54-53-35063 INSPECTIONS TO CONTINUE PER UPS EO B747-5410-13908 AND UPSSep 3, 2003 · N682UP · Boeing 747121 · Nacelle/Pylon, Main FrameSDR UPS03441316Shear Tie · corrodedINSPECTION TYPE: C, FX - BS 2300 FRAME BELOW FLOOR SHEAR TIE FOUND CORRODED AS MARKED AT BL 0. CORROSION BLEND OUT 0.050 X 1 X 2 INCH. M/D BS 2300 BL SHEAR TIE REPAIRED PER SRM 53-10-04 FIG 3.Sep 3, 2003 · N682UP · Boeing 747121 · Fuselage Main, StructureSDR UPS03441315Angle · corrodedINSPECTION TYPE: C, FX NOSE TUNNEL LT WW SIDEWALL ATTACH ANGLE CORRODED AT STA 380. CORROSION BLEND OUT 0.040 X 1 X 4 INCH. THE ANGLE REPAIRED AS PER SRM 51-40-04 FIG 1.Sep 3, 2003 · N682UP · Boeing 747121 · Fuselage Miscellaneous StructureSDR UPS03441266Frame · crackedINSPECTION TYPE:C NR 4 PYLON REAR MOUNT BULKHEAD FOUND CRACK AT OB FORWARD FRAME WEB. FRAME WEBS REPLACED AND REPAIRED AS IAW RS R-54-53-35064 INSPECTIONS TO CONTINUE IAW UPS EO B747-5410-13908 ( UPS ENGINEERING FILE NR 747-54 -20040 RAISED).Sep 3, 2003 · N682UP · Boeing 747121 · Nacelle/Pylon, Frame/Spar/RibSDR UPS03441265Frame · crackedINSPECTION TYPE: C, NR 1 PYLON REAR MOUNT BULKHEAD FOUND CRACK AT FWD FRAME WEB. DETAILS PLS REFER ATTACHED FIGURE. FRAME WEBS REPLACED AND REPAIRED AS IAW RS NR R-54-53-35064 INSPECTIONS TO CONTINUE PER UPS EO B747-5410-13908 ( UPS ENGINEERING FILE NR 7Sep 3, 2003 · N682UP · Boeing 747121 · Nacelle/Pylon, Frame/Spar/RibSDR UPS03441320Skin · corrodedINSPECTION TYPE: C, M/D BS 1239-1241 RBL 35-38 BELOW FLOOR WING CENTER SECTION UPPER SKIN UPPER FACE CORRODED. CORROSION BLEND OUT 0.056 X 3 X 4 INCH. REPAIR PARTS INSTALLED AS PER RS NR R57-14-35078 AND UPS ENGINEERING FILE NR 747-57-20047.Sep 1, 2003 · N682UP · Boeing 747121 · Fuselage Main, Plate/SkinSDR UPS03441313Panel · bulgedINSPECTION TYPE: C, M/D BS 1241-1244, RBL 8 - 11 BELOW FLOOR CANTED BULKHEAD APU FUEL LINE CLOSEOUT PANEL FWD RT CORNER BULGE UP AND RIVET SHEARED. CORROSION BLEND OUT 0.035 X 1.5 X 4 INCH. EXISTING DOUBLER REMOVED AND NEW EXTENDED DOUBLER REPAIR AS PER RS Sep 1, 2003 · N682UP · Boeing 747121 · Fuselage Main, StructureSDR UPS03441311Panel · corrodedINSPECTION TYPE: C, M/D BS 1241 LBL 75-79 BELOW FLOOR CANTED BULKHEAD CLOSEOUT PANEL CUTOUT CORRODED. CORROSION BLEND OUT 0.050 X 1 X 3 INCH. CLOSEOUT PANEL CUTOUT REPAIRED AS PER SRM 53-10-07 FIG 6.Sep 1, 2003 · N682UP · Boeing 747121 · Fuselage Main, Plate/SkinSDR UPS03441332Skin · crackedINSPECTION TYPE: C, LT SIDE AT STA 570 EQUIPMENT COOLING OUTLET CUTOUT FWD FASTENER HOLE FOUND ONE EACH HOLE CRACKED APPROX .0625 INCHES IN LENGTH RUNNING AFT. PLS REEFR ATT. SKETCH. FX STA 560 TO 580 COOLING OUTLET CUTOUT WAS REPAIRED AS PER EO B747-5330-690Aug 30, 2003 · N682UP · Boeing 747121 · Fuselage Main, Plate/SkinSDR UPS03441317Skin · debondedINSPECTION TYPE: C, DMI : D252292 - NR 4 ENG FAN THRUST REVERSER I/B SLEEVE DENTED, LOCATED 12 INCHES OF SEAM 6 O'CLOCK POS AND 11 INCHES FROM FWD EDGE 3 INCHES FROM AFT EDGE 4 W X 4 L X 0.032 D (REF EO B747-7830-18117). REPAIRED AS PER RS NR R-78-30-35071 Aug 27, 2003 · N682UP · Boeing 747121 · Engine Thrust ReverserSDR UPS03440997Skin · damagedON WALKAROUND INSPECTION FOUND DAMAGE (FROM WING PANEL DEPARTING) ON VERTICAL FIN LT SIDE DAMAGE APPROX 24 X 15 INCHES. ACCOMPLISHED INTERIM REPAIR TO VERTICAL STABILIZER PER EO B747-5100-19 029.Jul 23, 2003 · N682UP · Boeing 747121 · Vertical Stabilizer, Plate/SkinSDR UPS03440923Hydraulic System · failedATB - NR 2 HYD SYSTEM FAILURE. REMOVED & REPLACED NR 2 EDP AS REQUIRED DUE TO OVERHEAT IAW MM 29-11-05. OPS & LEAK CHECK REQUIRED. RAN NR 2 ENG FOR LEAK CHECK OF NR 2 HYD (EDP) PUMP GROUND CK'S NORMAL. OK FOR SERVICE. HYD PRESSURE CHECK NORMAL.Jul 1, 2003 · N682UP · Boeing 747121 · Hydraulic System, MainSDR EIA2003064Skin · crackedNR 3 PYLON INBOARD SIDE SKIN CRACKED TO UPWARD ABOVE PLATE 473CL. PERMANENT REPAIR INSTALLED PER ECRA 480-54-158-1 PER 8110-3 FROM BOEING.Apr 16, 2003 · N480EV · Boeing 747121 · Nacelle/Pylon, Plate/SkinSDR UPS03440597Rib · corrodedINSPECTION TYPE: C, RT WING - NR 20 VC FLAP O/B O/B ROTARY ACTUATOR SUPPORT RIB MOUNT BOLT HOLES BORE AREA FOUND CORROSION AT HOLE NR 6, 7. BOLT HOLES CORROSION REMOVED AND INTERIM REPAIRED AS PER RS 57-41-35014 AND UPS EO B747-5740-18687-A.Apr 15, 2003 · N681UP · Boeing 747121 · Trailing Edge FlapsSDR UPS03440594Rib · corrodedINSPECTION TYPE: C, RT WING - NR 19 VC FLAP O/B O/B ROTARY ACTUATOR SUPPORT RIB MOUNT BOLT HOLES BORE AREA FOUND CORROSION AT HOLE NR 6 ( VIEW FROM I/B ). BOLT HOLE CORROSION REMOVED AND INTERIM REPAIRED AS PER RS 57-41-35014 AND UPS EO 747-5740-18687-A.Apr 15, 2003 · N681UP · Boeing 747121 · Trailing Edge FlapsSDR UPS03440536Frame · crackedINSPECTION TYPE: C, M/D - BS 940 FRAME CRACK AT S24R AS MARKED. BS 940 FRAME REPAIRED AS PER SRM 53-10-04 FIG 35.Apr 15, 2003 · N681UP · Boeing 747121 · Fuselage Main, FrameSDR UPS03440627Floorbeam · corrodedINSPECTION TYPE: C, U/D - FLOORBEAM UPPER STRUCTURE FOUND CORROSION AT BS 340 BL 0 - LBL 40 FLOORBEAM UPPER STRUCTURE REPAIRED AS PER SRM 53-10-07 FIG.23 CORROSION BLEND OUT SIZE 0.038 X 1 X 3 INCHES.Apr 14, 2003 · N681UP · Boeing 747121 · Fuselage Main, Floor BeamSDR UPS03440626Door Frame · crackedINSPECTION TYPE: C M/D - R5 DR FWD FX CUTOUT UPPER REVEAL FOUND CRACKED AT STR 16. DOOR CUTOUT REVEAL FRAME REPAIRED AS PER SRM 51-40-03 FIG.1Apr 14, 2003 · N681UP · Boeing 747121 · Fuselage Main, Plate/SkinSDR UPS03440622Shear Tie · crackedINSPECTION TYPE:C M/D - BS 1301 LT STR 16L SHEAR TIE FOUND CRACKED. SHEAR TIE REPLACED AS PER SRM 51-10-01 PAGE 8.Apr 14, 2003 · N681UP · Boeing 747121 · Fuselage Main, StructureSDR UPS03440621Shear Tie · crackedINSPECTION TYPE: C M/D- BS 1301 S15-16R FRAME SHEAR TIE CRACKED. SHEAR TIE REPLACED AS PER SRM 51-10-01 PAGE 8.Apr 14, 2003 · N681UP · Boeing 747121 · Fuselage Main, StructureSDR UPS03440620Shear Tie · crackedINSPECTION TYPE: C M/D - BS 1283 LT STR 16L SHEAR TIE FOUND CRACKED. SHEAR TIE REPLACED AS PER SRM 51-10-01 PAGE 8.Apr 14, 2003 · N681UP · Boeing 747121 · Fuselage Main, StructureSDR UPS03440607Crease Beam · crackedINSPECTION TYPE: C, BS 980 S4-5L CREASE BEAM CRACKED. CREASE BEAM WEB REPLACED AS PER SRM 51-10-01 PAGE 8.Apr 14, 2003 · N681UP · Boeing 747121 · Fuselage Main, StructureSDR UPS03440586Reveal · crackedINSPECTION TYPE: C, L5 DOOR FWD FX CUTOUT UPPER REVEAL CRACKED AT STR 16. DOOR CUTOUT REVEAL FRAME REPAIRED AS PER SRM 51-40-03 FIG 1.Apr 14, 2003 · N681UP · Boeing 747121 · Fuselage Miscellaneous StructureSDR UPS03440625Seat Track · corrodedINSPECTION TYPE: C M/D - SEAT TRACK O/B FLANGE LOWER SURFACE CORROSION. SEAT TRACK REPAIRED AS PER SRM 53-10-05 FIG 16. CORROSION BLEND OUT 0.050 X 1 X 1.5 INCH. EXCEED SRM LIMIT.Apr 13, 2003 · N681UP · Boeing 747121 · Fuselage, Seat/Cargo Attach FittingsSDR UPS03440623Shear Tie · crackedINSPECTION TYPE: C M/D - BS 1020, S3R FRAME TIE CLIP FOUND CRACKED. TIE CLIP REPLACED AS PER SRM 51-10-01 PAGE 8.Apr 13, 2003 · N681UP · Boeing 747121 · Fuselage Main, StructureSDR UPS03440608Skin · corrodedINSPECTION TYPE: C, BET. BS 1438 - 1460 RT WINDOW FORGINGS FOUND CORRODED. WINDOW FORGING AREA SKIN REPAIRED AS PER HX RS R53-21-35018 AND ENG'R FILE 747-53-20137. CORROSION BLEND OUT 0.043" X 1" X 1".Apr 13, 2003 · N681UP · Boeing 747121 · Fuselage Main, Plate/Skin
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