# Service difficulty reports: Boeing 747-2R7F A list on [Boeing 747-2R7F](https://openairdocs.org/model/boeing-747-2r7f.md). Newest first. General aviation reporting is voluntary. - [SDR 200200170](https://openairdocs.org/sdr/200200170.md): Flap Track · corroded · Jan 23, 2002 · N639FE · Boeing 7472R7F · Trailing Edge Flaps > SURFACE CORROSION, FLAP TRACK NR 3 ROLLER WAY. REPAIR IS ACCOMPLISHED BY BLENDING OUT THE CORROSION PER OHM PROCEDURES WHILE MAINTAINING THE DRAWING FLATNESS AND PERPENDICULARITY REQUIREMENTS. THIS REPAIR IS APPROVED BY THE BOEING COMPANY PER ECRA N639FE-57- - [SDR 200200169](https://openairdocs.org/sdr/200200169.md): Flap Track · corroded · Jan 23, 2002 · N639FE · Boeing 7472R7F · Trailing Edge Flaps > NUMBER 5 FLAP TRACK, CORROSION TRACK MOUNT HOLE. THIS REWORK INVOLVES REPLACING THE SERVICE BULLETIN 747-57-2207, INSTALLED BUSHING WITH NEW INCREASED OD BUSHING. THIS OD INCREASE COMPENSATES FOR THE INCREASE BORE DIAMETER THAT REMOVED THE CORROSION. THIS R - [SDR 200200167](https://openairdocs.org/sdr/200200167.md): Flap Track · corroded · Jan 23, 2002 · N639FE · Boeing 7472R7F · Trailing Edge Flaps > SURFACE CORROSION, FLAP TRACK NR 4 ROLLER WAY. THIS DOCUMENT PROVIDES REPAIR INSTRUCTIONS FOR CORROSION DAMAGE FOUND ON THE NR 4 FLAP TRACK LOWER ROLLER WAY SURFACES. BLENDED OUT THE CORROSION PER OHM PROCEDURES WHILE MAINTAINING THE DRAWING FLATNESS AND PER - [SDR 200200172](https://openairdocs.org/sdr/200200172.md): Flap Track · corroded · Jan 23, 2002 · N639FE · Boeing 7472R7F · Trailing Edge Flaps > NUMBER 6 FLAP TRACK, AFT MOUNT SURFACE CORROSION. CORROSION REMOVAL BY MACHINING EXCEEDED THE ALLOWED OHM REPAIR DEPTH. THE AFFECTED PART NUMBER IS 65B17067-4. THE REPAIR IS APPROVED BY THE BOEING COMPANY PER ECRA N639FE-57-B747-013-EAC. - [SDR 200200171](https://openairdocs.org/sdr/200200171.md): Support Fitting · corroded · Jan 23, 2002 · N639FE · Boeing 7472R7F · Wing Miscellaneous Structure > FLAP TRACK WING SKIN AND BACKUP FITTING HOLE CORROSION. REPAIR IS ACCOMPLISHED BY REPLACING THE ORIGINAL BUSHINGS EXCEPT THE OUTER DIAMETER IS INCREASED TO COMPENSATE FOR THE HOLE BORE DIAMETER INCREASE. THIS REPAIR IS APPROVED BY THE BOEING COMPANY PER ECRA - [SDR 2002000170](https://openairdocs.org/sdr/2002000170.md): Flap Track · corroded · Jan 23, 2002 · N639FE · Boeing 7472R7F · Trailing Edge Flaps > SURFACE CORROSION, FLAP TRACK NR 3 ROLLER WAY. REPAIR IS ACCOMPLISHED BY BLENDING OUT THE CORROSION PER OHM PROCEDURES WHILE MAINTAINING THE DRAWING FLATNESS AND PERPENDICULARITY REQUIREMENTS. THIS REPAIR IS APPROVED BY THE BOEING COMPANY PER ECRA N639FE-57 - [SDR 200200168](https://openairdocs.org/sdr/200200168.md): Hinge Fitting · damaged · Jan 23, 2002 · N639FE · Boeing 7472R7F · Spoilers > SPOILER HINGE FITTING REPLACEMENT, WSL 876.525. THIS DOCUMENT PROVIDES REPAIR INSTRUCTIONS FOR REPLACEMENT OF THE TAPER SHANK BOLTS, RADIUS LEAD IN BOLTS, AND DD RIVETS. THIS REPAIR HAS BEEN REVIEWED AND APPROVED BY THE BOEING COMPANY PER ECRA N639FE-57-B747 - [SDR 20020010167](https://openairdocs.org/sdr/20020010167.md): Flap Track · corroded · Jan 23, 2002 · N639FE · Boeing 7472R7F · Trailing Edge Flaps > SURFACE CORROSION, FLAP TRACK NR 4 ROLLER WAY. THIS DOCUMENT PROVIDES REPAIR INSTRUCTIONS FOR CORROSION DAMAGE FOUND ON THE NR 4 FLAP TRACK LOWER ROLLER WAY SURFACES. BLENDED OUT THE CORROSION PER OHM PROCEDURES WHILE MAINTAINING THE DRAWING FLATNESS AND PER - [SDR ERKR200000001](https://openairdocs.org/sdr/ERKR200000001.md): Bolt · broken · Nov 17, 2000 · N639FE · Boeing 7472R7F · Fuselage, Landing Gear Attach Fittings > ON VISUAL INSPECTION, 2 BOLT (PN 69B14786-2) HEADS WERE FOUND LOOSE ON TOP OF RT MLG BODY GEAR INBOARD TRUNNION SUPPORT FITTING. UPON REMOVAL OF SEALANT ON ATTACHING NUTS, NUTS WITH SHEARED SECTION OF BOLTS FELL FROM FITTING. BOLTS ARE OUTBOARD AND CENTER BO - [SDR UIEA9701](https://openairdocs.org/sdr/UIEA9701.md): Panel · damaged · Apr 19, 1997 · N639FE · Boeing 7472R7F · Wing, Plate/Skin > UPON LEVEL OFF FLT LEVEL 290, AIRFRAME VIB STARTED. AT THE SAME TIME THE NR 2 ENG LIGHT CAME ON. NO OTHER LIGHTS CAME ON. RAN THE ABNORMAL PROCEDURES CHECK. THE NR 2 CHECK THROTTLE RETARDED TO IDLE AND AIRSPEED REDUCED TO 290 KTS. RETURNED TO MIA. AS AIR - [SDR 97FDEA00029](https://openairdocs.org/sdr/97FDEA00029.md): Bulkhead Web · cracked · Jan 5, 1997 · N639FE · Boeing 7472R7F · Nacelle/Pylon, Bulkhead/Firewall > NR 1 PYLON NAC STA 286.0 BULKHEAD AFTER REMOVAL OF OTBD PYLON SKIN, CRACKS WERE DISCOVERD ON BOTH FWD AND AFT BULKHEAD WEBS. ALSO, EXTENSIVE CORROSION DAMAGE AND SIGNIFICANT MATERIAL LOSS IN STEEL FRAME. *S/D* REMOVED DAMAGED MEMBERS AND FABRICATED NEW PART - [SDR 97FDEA00028](https://openairdocs.org/sdr/97FDEA00028.md): Bulkhead Web · cracked · Jan 5, 1997 · N639FE · Boeing 7472R7F · Nacelle/Pylon, Bulkhead/Firewall > AT NR 3 PYLON NAC. STA 286.0 BULKHEAD, AFTER REMOVAL OF OUTBOARD PYLON SKIN FOR REPAIR, INSPECTION REVEALED A CRACK IN THE AFT WEB OF THE 286.0 BULKHEAD. REPAIRED CRACKED WEB OF STA 286 BULKHEAD I.A.W. FED-EX ERA B-54-10-78 DATED 01/23/97. - [SDR 96FDEA00863](https://openairdocs.org/sdr/96FDEA00863.md): Press Deck · corrosion · Apr 11, 1996 · N639FE · Boeing 7472R7F · Fuselage Miscellaneous Structure > AFTER REMOVAL OF Z-ANGLE BECAUSE OF EXTENSIVE EXFOLIATION CORROSION, ADDITIONAL CORROSION WAS NOTED UNDER Z-ANGLE ON PRESSURE DECK WEB BS 1289 LT WW WITH SEVERAL AREAS. CORROSION WAS BEYOND ALLOWABLE LIMITS. FABRICATED DOUBLERS AS PER TRAVELER NR 51627, INST - [SDR 95FDEA01862](https://openairdocs.org/sdr/95FDEA01862.md): Seat Track · corroded · Dec 4, 1995 · N639FE · Boeing 7472R7F · Fuselage, Seat/Cargo Attach Fittings > MAIN CARGO COMPT SEAT TRACK CORRODED BEYOND MANUFACTURER'S LIMITS AT LBL 33 STA 1140 TO 1260. REPLACED MAIN CARGO COMPT SEAT TRACK AT LBL 33 STA 1000 TO 1265 IAW SRM 51-10-01. - [SDR 95FDEA01861](https://openairdocs.org/sdr/95FDEA01861.md): Seat Track · corroded · Dec 4, 1995 · N639FE · Boeing 7472R7F · Fuselage, Seat/Cargo Attach Fittings > MAIN CARGO COMPT SEAT TRACK CORRODED BEYOND MANUFACTURER'S LIMITS AT LBL 75 STA 1140 TO 1260. REPLACED MAIN CARGO COMPT SEAT TRACK AT LBL 75 STA 1140 TO 1265 IAW SRM 51-10-01. - [SDR 95FDEA01706](https://openairdocs.org/sdr/95FDEA01706.md): Fairing · damaged · Nov 11, 1995 · N639FE · Boeing 7472R7F · Aerodynamic Fairings > SYD - A/C HAS AN AERODYNAMIC VIBRATION STARTING AT APPROXIMATELY 220 KIAS AND CONTINUING ALL THE WAY TO NORMAL CRUISE. FOUND I/B T/E L/UPPER FAIRING DAMAGED BEYOND REPAIR. NEW FAIRING INSTALLED PER SRM 51-30-02 7, ADJ PER MM 57-22-01. ALSO, FOUND O/B DIAGONA - [SDR 95FDEA01581](https://openairdocs.org/sdr/95FDEA01581.md): Clamp · failed · Oct 22, 1995 · N639FE · Boeing 7472R7F · Engine Thrust Reverser > DURING T/O ROLL, THE FIRE DETECTION LIGHT AND FIRE WARNING LIGHT ILLUMINATED ON NR 1 ENG. THE NR 1 ENG NACELLE OVERHEAT TEMP REACHED 9, THEN QUICKLY DROPPED TO ZERO. ABORTED T/O AT 60 KNOTS AND RETURNED TO RAMP. FOUND REVERSER DUCT CLAMP BLOWN. REMOVED AND ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql 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 = '7472R7F' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/model/boeing-747-2r7f/reports --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.