Boeing 747-2B4B

Service difficulty reports · 509

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Query with SQL
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 = '7472B4B'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR KCSA061188Frame · crackedNR 1 PYLON AT NAC STA 221.90, REAR ENG MOUNT BULKHEAD FRAME CRACKED AT TOP O/B SIDE.Jun 28, 2006 · N713CK · Boeing 7472B4B · Nacelle/Pylon, Frame/Spar/RibSDR KCSA061187Frame · crackedNR 2 PYLON AT NAC STA 221.90, REAR ENG MOUNT BULKHEAD FRAME CRACKED AT TOP O/B SIDE.Jun 28, 2006 · N713CK · Boeing 7472B4B · Nacelle/Pylon, Frame/Spar/RibSDR KCSA061186Spar · corrodedLEFT I/B MID FLAP AFT SPAR WEB HAS CORROSION.Jun 27, 2006 · N713CK · Boeing 7472B4B · Trailing Edge FlapsSDR KCSA061185Spar · corrodedRIGHT I/B MID FLAP AFT SPAR WEB HAS CORROSION.Jun 27, 2006 · N713CK · Boeing 7472B4B · Trailing Edge FlapsSDR KCSA06039Engine · malfunctionedNR 3 ENG FLAMED OUT ON DESCENT, PERFORMED RAPID RESTART PROCEDURE TWICE NO START. PERFORMED ENG RESTART CHECKLIST AT 10,000 ENG OPERATED NORMALLY. PERFORMED INSPECTION PER FIM 71-01-00 PG 209, FOUND NO DEFECTS. PERFORMED ENG NR 3 RUN PER 71-00-00 B747 MM PGMay 12, 2006 · N710CK · Boeing 7472B4B · Engine (Turbine/Turboprop)SDR 061155Light · inoperativeAFT MAIN CARGO DECK EMERGENCY EXIT LIGHT AT BS 2220 INOP.May 2, 2006 · N713CK · Boeing 7472B4B · Emergency LightingSDR KCSA061112Skin · wornNR. 2 PYLON INBOARD SKIN PANEL WORN ALONG BOTTOM EDGE AT APPROX NAC STA. 210 TO 221.Apr 9, 2006 · N710CK · Boeing 7472B4B · Nacelle/Pylon, Plate/SkinSDR 061111Battery Pack · defectiveFOUND UPPER DECK EXIT SIGN BY THE SLIDE DOOR FLASHES FOR 2 SECONDS ONLY.Apr 8, 2006 · N710CK · Boeing 7472B4B · Emergency LightingSDR 06012Engine · leakingNR 1 ENG LOST OIL QTY 1 GAL, 1/2 HR SHUT ENG DOWN AT 0930Z WITH 1.25GAL REMAINING. PERFORMED WINDMILLING ENG PROCEDURE AT 1000, 1030, 1050Z. WINDMILLING OP 19 PSI TEMP 50 DEGREE C 1000Z QTY .5 GAL QTY IND 0 GAL AT 1025Z OP 21 PSI TEMP 40 DEGREE. OP ONLY WENFeb 15, 2006 · N713CK · Boeing 7472B4B · Turbine Engine Oil SystemSDR KCSA06011Battery Pack · inoperativeUR1 DOOR ILLUMINATED EXIT LIGHT WILL NOT TEST. REMOVED AND REPLACED UR1 DOOR EXIT LIGHT BATTERY PACK ASSEMBLY, OPS CHECK GOOD IAW B747 MM 33-51-07 AND 33-51-00.Feb 2, 2006 · N713CK · Boeing 7472B4B · Emergency LightingSDR 06010Light · inoperativeEMERGENCY LIGHT FOR STAIRWELL DOES NOT TEST. REMOVED AND REPLACED EMERGENCY LIGHT, OPS CHECK GOOD IAW B747 MM 33-51-07 AND 33-51-00.Feb 2, 2006 · N713CK · Boeing 7472B4B · Emergency LightingSDR 05039Wire · damagedDURING DESCENT B-LOOP ON NR 3 NACELLE WENT FIRE INDICATION WITH A-INOP. PRECAUTIONARY SHUTDOWN NR 3 ENG. REPAIRED DAMAGED WIRE ON UPPER LOOP BELOW PYLON CLOSE TO CANNON PLUG AND SECURED LOOSE LOOP ASSY AT UPPER I/B BRACKET IAW B747 MM 26-11-02 AND OPS CHECKEMay 7, 2005 · N713CK · Boeing 7472B4B · Fire Protection System WiringSDR 05010Duct · looseAT FL 34.0, NR 2 ENG START VALVE LIGHT ILLUMINATED; FOLLOWED CHECKLIST. NR 2 THROTTLE SEIZED; RAN SEVERE DAMAGE CHECKLIST. ALL ENGINE INDICATIONS NORMAL. PERFORMED VISUAL INSPECTION TO ENGINE. FOUND 8TH STAGE BLEED DUCTS LOOSE AND START VALVE DAMAGED. INSFeb 4, 2005 · N713CK · Boeing 7472B4B · Pneumatic SystemSDR 05007Compressor · stalledNR 2 ENGINE COMPRESSOR STALL AT 31,500 FT AND AGAIN AT FL350. ENGINE SHUTDOWN. REMOVED AND REPLACED NR 2 ENGINE. PERFORMED TEST NUMBERS 3, 6, 8, 9, 11, 12, AND 16. TRIM RUNS PERFORMED. OPS AND LEAK CHECK GOOD AND FINAL PARAMETERS RECORDED. ALL WORK PERFOJan 24, 2005 · N710CK · Boeing 7472B4B · Turbine Engine Compressor SectionSDR 05003Gearbox · damagedNR 4 ENG SLOW/STEADY OIL LEAK FROM 5.6 GALS DOWN TO 0.6 GALS. OIL TEMP CONSTANT AT 75 TO 79C AND OIL PRESS STEADY AT 47 TO 49 PSI. ACCOMPLISHED PRECAUTIONARY ENG SHUTDOWN IAW AOM VOL I, LOW OIL QTY PG 3-109, IN FLT ENG SHUTDOWN PG 3-97 AND WINDMILLING ENG PRJan 7, 2005 · N710CK · Boeing 7472B4B · Turbine Engine Reduction GearSDR 03040Valve · malfunctionedNR 4 ENGINE SHUT-DOWN DUE TO CROSSFEED VALVE MALFUNCTION. ALL OTHER INDICATIONS NORMAL, AND ACCOMPLISHED NORMAL APPROACH AND LANDING.Nov 14, 2003 · N710CK · Boeing 7472B4B · Fuel Transfer ValveSDR 03010Engine · vibrationDURING T/O ROLL NR 3 ENGINE HAD VIBRATION AND LOUD NOISE. AIRBORNE VISUAL INSPECTION REVEALED DAMAGE TO ENGINE. DUMPED FUEL AND RETURNED TO BASE.Mar 9, 2003 · N713CK · Boeing 7472B4B · Powerplant SystemSDR 03006Warning Light · illuminatedAFTER GEAR RETRACTION, WITH GEAR LEVER OFF, BOTH RT BODY DOOR OPEN LIGHTS ILLUMINATED IN PRIMARY AND ALTERNATE POSITIONS.Jan 27, 2003 · N713CK · Boeing 7472B4B · Landing Gear Position and WarningSDR K4HA99107Blade · brokenYQX - FLT 13283 - LOST NR 2 ENGINE AT ALT AFTER VIBRATION WAS FELT. SECURED ENGINE ACCORDING TO CHECKLIST. WHEN INSPECTED FOUND C1 BLADES BROKEN. REMOVED AND REPLACED NR 2 ENGINE IAW 71-00-02. B747 MM TESTED AND OPS CHECK GOOD. (M)Mar 13, 2000 · N712CK · Boeing 7472B4B · Turbine Engine Compressor SectionSDR SIMA991441Skin · chafedABI - DURING MBV INSPECTION, FOUND CHAFE ON THE LEFT AFT FUSEALGE AT THE HORIZONTAL STABILIZER FILLET FAIRING INTERFACE. BLENDED THE CHAFE AREA AND PERFORMED AN EDDY CURRENT INSPECTION WITH NO CRACK INDICATIONS. APPLIED PROTECTIVE TREATEMENT TO THE BLENDED AMay 24, 1999 · N203AE · Boeing 7472B4B · Fuselage Main, Plate/SkinSDR CKSA98746Bleed Air · odorCREW REPORTED, NR 3 ENGINE BLEED ALLOWS SMOKE IN THE COCKPIT. CLOSING BLEED, OIL SMOKE REMOVED. PERFORMED BLEED CHECK ON NR 3 ENGINE, GROUND RUN ENGINE IAW MM 71-00-00. NO DEFECT NOTED.Dec 5, 1998 · N710CK · Boeing 7472B4B · Engine Bleed Air SystemSDR CKSA98709Stringer · corrodedSTRINGER LOCATED AT K1 FWD CARGO, ZONE 100, STA 680 LBL 5 STRINGER 47L HAS HEAVY EXFOLIATED CORROSION IN BOTTOM OF STRINGER (APPROX 2 LONG). REPAIRED IAW BOEING ASA CKF-K1-037. FOUND DURING ACCOMPLISHMENT OF CARGO CONVERSION, ROUTINE C-CHECK, AND ACCOMPLISHMNov 20, 1998 · N713CK · Boeing 7472B4B · Fuselage Main, Longeron/StringerSDR CKSA98708Gate · corrodedRT NR 1 DOOR UPPER GATE ASSY CORRODED ALONG HINGE AREA. REMOVED CORROSION IAW SRM 51-10-01, FOUND TO BE BEYOND LIMITS. REPLACED UPPER GATE ASSY IAW BOEING ASA CKF-MED-016, SRM 51-30-02 AND ADJUSTED DOOR IAW MM 52-11-01. FOUND DURING ACCOMPLISHMENT OF CARGO Nov 20, 1998 · N713CK · Boeing 7472B4B · Service DoorsSDR CKSA98707Gate · corrodedRT NR 5 DOOR LOWER GATE ASSY CORRODED ALONG HINGE AREA. REMOVED CORROSION IAW SRM 51-10-01, FOUND TO BE BEYOND LIMITS. REPLACED LOWER GATE ASSY IAW BOEING ASA CKF-MED-012, SRM 51-30-02 AND ADJUSTED DOOR IAW MM 52-11-01. FOUND DURING ACCOMPLISHMENT OF CARGO Nov 20, 1998 · N713CK · Boeing 7472B4B · Emergency ExitsSDR CKSA98706Gate · corrodedRT NR 5 DOOR UPPER GATE ASSY CORRODED ALONG HINGE AREA. REMOVED CORROSION IAW SRM 51-10-01, FOUND TO BE BEYOND LIMITS. REPLACED UPPER GATE ASSY IAW BOEING ASA CKF-MED-014, SRM 51-30-02 AND ADJUSTED DOOR IAW MM 52-11-01. FOUND DURING ACCOMPLISHMENT OF CARGO Nov 20, 1998 · N713CK · Boeing 7472B4B · Emergency ExitsSDR CKSA98705Gate · corrodedRT NR 4 DOOR UPPER GATE ASSY CORRODED ALONG HINGE AREA. REMOVED CORROSION IAW SRM 51-10-01, FOUND TO BE BEYOND LIMITS. REPLACED UPPER GATE ASSY IAW BOEING ASA CKF-MED-066, SRM 51-30-02 AND ADJUSTED DOOR IAW MM 52-11-01. FOUND DURING ACCOMPLISHMENT OF CARGO Nov 20, 1998 · N713CK · Boeing 7472B4B · Emergency ExitsSDR CKSA98704Gate · corrodedRT NR 3 DOOR LOWER GATE ASSY CORRODED ALONG HINGE AREA. REMOVED CORROSION IAW SRM 51-10-01, FOUND TO BE BEYOND LIMITS. REPLACED LOWER GATE ASSY IAW BOEING ASA CKF-MED-008, SRM 51-30-02 AND ADJUSTED DOOR IAW MM 52-11-01. FOUND DURING ACCOMPLISHMENT OF CARGO Nov 20, 1998 · N713CK · Boeing 7472B4B · Emergency ExitsSDR CKSA98703Gate · corrodedRT NR 2 DOOR LOWER GATE ASSY CORRODED ALONG HINGE AREA. REMOVED CORROSION IAW SRM 51-10-01, FOUND TO BE BEYOND LIMITS. REPLACED LOWER GATE ASSY IAW BOEING ASA CKF-MED-007, SRM 51-30-02 AND ADJUSTED DOOR IAW MM 52-11-01. FOUND DURING ACCOMPLISHMENT OF CARGO Nov 20, 1998 · N713CK · Boeing 7472B4B · Emergency ExitsSDR CKSA98702Gate · corrodedRT NR 1 DOOR LOWER GATE ASSY CORRODED ALONG HINGE AREA. REMOVED CORROSION IAW SRM 51-10-01, FOUND TO BE BEYOND LIMITS. REPLACED LOWER GATE ASSY IAW BOEING ASA CKF-MED-066, SRM 51-30-02 AND ADJUSTED DOOR IAW MM 52-11-01. FOUND DURING ACCOMPLISHMENT OF CARGO Nov 20, 1998 · N713CK · Boeing 7472B4B · Emergency ExitsSDR CKSA98701Gate · corrodedLT NR 5 DOOR UPPER GATE ASSY CORRODED ALONG HINGE AREA. REMOVED CORROSION IAW SRM 51-10-01, FOUND TO BE BEYOND LIMITS. REPLACED UPPER GATE ASSY IAW BOEING ASA CKF-MED-015. FOUND DURING ACCOMPLISHMENT OF CARGO CONVERSION, ROUTINE C-CHECK, AND ACCOMPLISHMENT Nov 20, 1998 · N713CK · Boeing 7472B4B · Emergency ExitsSDR CKSA98700Gate · corrodedLT NR 4 DOOR UPPER GATE ASSY CORRODED ALONG HINGE AREA. REMOVED CORROSION IAW SRM 51-10-01, FOUND TO BE BEYOND LIMITS. REPLACED UPPER GATE ASSY IAW BOEING ASA CKF-MED-018, SRM 51-30-02 AND ADJUSTED DOOR IAW MM 52-11-01. FOUND DURING ACCOMPLISHMENT OF CARGO Nov 20, 1998 · N713CK · Boeing 7472B4B · Emergency ExitsSDR CKSA98699Gate · corrodedNR 3 LT DOOR LOWER GATE ASSY CORRODED ALONG LOWER EDGE (REF IPC 52-11-09-02, ITEM NR 65). REMOVED CORROSION IAW SRM 51-10-01, FOUND TO BE BEYOND SRM LIMITS. REMOVED AND REPLACED LOWER GATE PER DWG 65B13593, BAC5004-2 AND -1, BAC5009. FOUND DURING ACCOMPLISHNov 20, 1998 · N713CK · Boeing 7472B4B · Emergency ExitsSDR CKSA98698Gate · corrodedLT DOOR NR 2 UPPER GATE ASSY HAS SEVERE CORROSION EXTENDING UNDER HINGE. REMOVED AND REPLACED UPPER GATE ASSY IAW BOEING ASA CKF-MEO-017 DWG 65B09889. FOUND DURING ACCOMPLISHMENT OF CARGO CONVERSION, ROUTINE C-CHECK, AND ACCOMPLISHMENT OF CPCP TASK CARDS AT Nov 20, 1998 · N713CK · Boeing 7472B4B · Passenger/Crew DoorsSDR CKSA98697Stringer · corrodedLOCATED AT K1 FWD CARGO, ZONE 100 STA 835 TO STA 842 WL 91 LBL 5 THE I/B AND O/B FLANGES OF STRINGER HAS 3 AREAS OF SEVERE CORROSION 7' X 1'. REPAIRED STRINGER IAW BOEING ASA CKF-K1-015 SUPP SHT 1. FOUND DURING ACCOMPLISHMENT OF CARGO CONVERSION, ROUTINE C-CNov 20, 1998 · N713CK · Boeing 7472B4B · Fuselage Main, Longeron/StringerSDR CKSA98696Frame · corrodedCHORD LOCATED AT K1 FWD CARGO, ZONE 100 STA 940 WL 118 LBL 6 TOP CAP HAS AREA .40 DIAMETER OF CORROSION. AREA IS ADJACENT TO A NR 6 COUNTERSUNK RIVET. REPAIRED IAW BOEING ASA CKF-K1-028 SUPP SHT 1. FOUND DURING ACCOMPLISHMENT OF CARGO CONVERSION, ROUTINE C-Nov 20, 1998 · N713CK · Boeing 7472B4B · Fuselage Main, FrameSDR CKSA98695Stringer · corrodedSTRINGER LOCATED AT STA 743 TO STA 745, STR 47L, WL 92 HAS AREA APPROX 6 LENGTH OF LEVEL 2 CORROSION. REPAIRED STRINGER IAW BOEING ASA CKF-K1-017. FOUND DURING ACCOMPLISHMENT OF CARGO CONVERSION, ROUTINE C-CHECK, AND ACCOMPLISHMENT OF CPCP TASK CARDS AT BOEINov 20, 1998 · N713CK · Boeing 7472B4B · Fuselage Main, Longeron/StringerSDR CKSA98694Stringer · corrodedLOCATED AT STA 887 STR 44L WL 118 STRINGER HAS AN AREA OF CORROSION 1.20 X .80 BEYOND SRM LIMITS. REPAIRED IAW SRM 51-10-01 & CPM 20-40-00 AND BOEING ASA CKF-K1-029 SUPP SHT 1. FOUND DURING ACCOMPLISHMENT OF CARGO CONVERSION, ROUTINE C-CHECK, AND ACCOMPLISHMNov 20, 1998 · N713CK · Boeing 7472B4B · Fuselage Main, Longeron/StringerSDR CKSA98693Plate · corrodedRT TRAILING EDGE FLAP TRACKS 1, 2, 3, SIDE LOAD SURFACES (UPPER INBD AND AFT OUTBD) CORRODED BEYOND LIMITS. REPAIRED IAW BOEING ASA CKF-EXW-132 SUPP SHT 1, 2, 3. FOUND DURING ACCOMPLISHMENT OF CARGO CONVERSION, ROUTINE C-CHECK, AND ACCOMPLISHMENT OF CPCP TASNov 20, 1998 · N713CK · Boeing 7472B4B · Trailing Edge FlapsSDR CKSA98692Web · corrodedRT OUTBD T/E MIDFLAP NR 3 SPAR WEB AT CENTER OF FLAP HAS 2 AREA OF CORROSION BEYOND LIMITS. REPAIRED WEB IAW BOEING ASA CKF-EXW-135. FOUND DURING ACCOMPLISHMENT OF CARGO CONVERSION, ROUTINE C-CHECK, AND ACCOMPLISHMENT OF CPCP TASK CARDS AT BOEING WICHITA (KINov 20, 1998 · N713CK · Boeing 7472B4B · Trailing Edge FlapsSDR CKSA98691Track · pittedFLAP TRACK NR 5 RT, ZONE 600, WING TO TRACK MATING SURFACE PITTED BEYOND LIMITS. REPAIRED IAW BOEING ASA CKF-EXW-130 SUPP SHT 1, OHM 57-52-70 REPAIR 6-1, S/B 747-57-2207 FIG 1; NOTES 5, 12, 13 AND OHM 57-52-70 REPAIR 1-1, PARA 1C & 1E. FOUND DURING ACCOMPLISNov 20, 1998 · N713CK · Boeing 7472B4B · Trailing Edge FlapsSDR CKSA98690Track · corrodedRT WING FLAP TRACKS NR 6, 7, 8, ZONE 600, BUSHING MOUNT HOLES CORRODED. REWORKED BUSHING MOUNTS IAW BOEING ASA CKF-EXW-117 SUPP SHT 1. FOUND DURING ACCOMPLISHMENT OF CARGO CONVERSION, ROUTINE C-CHECK, AND ACCOMPLISHMENT OF CPCP TASK CARDS AT BOEING WICHITA (Nov 20, 1998 · N713CK · Boeing 7472B4B · Trailing Edge FlapsSDR CKSA98689Track · corrodedZONE 500, NR 1 LT FLAP TRACK BUSHING FWD BOLT HOLES AND MOUNTING AREA CORRODED BEYOND LIMITS. REPAIRED IAW BOEING ASA CKF-EXW-108 SUPP SHT 1. FOUND DURING ACCOMPLISHMENT OF CARGO CONVERSION, ROUTINE C-CHECK, AND ACCOMPLISHMENT OF CPCP TASK CARDS AT BOEING WINov 20, 1998 · N713CK · Boeing 7472B4B · Trailing Edge FlapsSDR CKSA98688Track · corrodedZONE 500, NR 4 LT FLAP TRACK BUSHING FWD BOLT HOLES AND MOUNTING AREA CORRODED BEYOND LIMITS. REPAIRED IAW BOEING ASA CKF-EXW-083 SUPP SHT 2. FOUND DURING ACCOMPLISHMENT OF CARGO CONVERSION, ROUTINE C-CHECK, AND ACCOMPLISHMENT OF CPCP TASK CARDS AT BOEING WINov 20, 1998 · N713CK · Boeing 7472B4B · Trailing Edge FlapsSDR CKSA98687Tie Plate · corrodedLT I/B MIDFLAP ZONE 500, WBL 216 LT, AN AREA 5 X 1.5 INCH OF EXFOLIATED CORROSION EXISTS ON LWR I/B SFC. REPAIRED IAW BOEING ASA CKF-EXW-115 SUPP SHT 1 AND 2. FOUND DURING ACCOMPLISHMENT OF CARGO CONVERSION, ROUTINE C-CHECK, AND ACCOMPLISHMENT OF CPCP TASK CNov 20, 1998 · N713CK · Boeing 7472B4B · Trailing Edge FlapsSDR CKSA98686Plate · rustedRT FLAP TRACK NR 5, ZONE 600, MOUNTING PLATE SEVERE RUST FOUND. REPAIRED IAW BOEING ASA CKF-EXV-071 SUPP SHT 2. FOUND DURING ACCOMPLISHMENT OF CARGO CONVERSION, ROUTINE C-CHECK, AND ACCOMPLISHMENT OF CPCP TASK CARDS AT BOEING WICHITA (KIAB). WORK ORDER NUMBNov 20, 1998 · N713CK · Boeing 7472B4B · Trailing Edge FlapsSDR CKSA98685Plate · corrodedRT WING FLAP TRACK BEARING PLATES AT STA 353 WBL 584 AND 743 (NR 5, 6, 7) SHOW MODERATE CORROSION. REPLACED PLATES IAW BOEING DWG 65B07782 AND ASA CKF-EXW-072 SUPP SHT 2. FOUND DURING ACCOMPLISHMENT OF CARGO CONVERSION, ROUTINE C-CHECK, AND ACCOMPLISHMENT OFNov 20, 1998 · N713CK · Boeing 7472B4B · Trailing Edge FlapsSDR CKSA98684Skin · corrodedRT AFT I/B TRAILING EDGE FLAP UPPER SKIN ON O/B PANEL HAS 5 EXISTING PATCHES NOT DONE IAW SRM REQUIREMENTS. PEELING, CORROSION AND SEPARATING WERE REPAIRED IAW BOEING ASA CKF-EXW-010 SUPP SHT 2. FOUND DURING ACCOMPLISHMENT OF CARGO CONVERSION, ROUTINE C-CHECNov 20, 1998 · N713CK · Boeing 7472B4B · Trailing Edge FlapsSDR CKSA98683Chord · corrodedLOWER T-CHORD OF WEB AT ZONE 500, OLES 1185 LT WING, SEVERE EXFOLIATED CORROSION EXISTS AT NOTED LOCATION MEASURES 12.0 X 1.5. REPAIRED IAW BOEING ASA CKF-EXW-121 SUPP SHT 1. FOUND DURING ACCOMPLISHMENT OF CARGO CONVERSION, ROUTINE C-CHECK, AND ACCOMPLISHMENNov 20, 1998 · N713CK · Boeing 7472B4B · Wing Miscellaneous StructureSDR CKSA98682Chord · corrodedLT ELEVATOR, ZONE 330 OUTBD, STA 260 TO STA 279, 2 INCH AND 4 INCH AREA CORRODED BEYOND SRM LIMITS. REPLACED CHORD IAW BOEING DWG 65B05753 AND BAC5004-L-2. FOUND DURING ACCOMPLISHMENT OF CARGO CONVERSION, ROUTINE C-CHECK, AND ACCOMPLISHMENT OF CPCP TASK CARDNov 20, 1998 · N713CK · Boeing 7472B4B · Elevator StructureSDR CKSA98681Longeron · corrodedLONGERON AT ZONE 100, STA 1350 TO STA 1468, WL 152, RBL133 CHANGED FOR CORROSION. AT HORIZ FLANGE (REMOVED PREVIOUS PER S/B) WEB HAS LOCALIZED EXFOLIATION CORROSION. REPLACED LONGERON AND WEB IAW BOEING ASA CKF-EXB-223 SUPP SHTS 6 AND 7. FOUND DURING ACCOMPNov 20, 1998 · N713CK · Boeing 7472B4B · Fuselage Main, Longeron/Stringer
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