# Service difficulty reports: N720DA, cancelled Jun 13, 2013

A list on [N720DA, cancelled Jun 13, 2013](https://openairdocs.org/deregistered/N720DA-2013-06-13.md).

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

- [SDR DLL10992431](https://openairdocs.org/sdr/DLL10992431.md): Throttle · worn · Nov 3, 1999 · N720DA · Lkheed 10113851 · Power Lever
  > WHILE IN CRUISE NR 2 ENGINE POWER DECREASED AS THROTTLE WAS IN STATIONARY POSITION DURING APPROACH AT FL 100 THROTTLE WAS RETURNED TO IDLE STOP, BUT FUEL FLOW REMAINED AT 5000 LBS AND N2 WAS AT 79 PERCENT ENGINE WAS SHUT DOWN. FOUND THROTTLE RACK AND TELEX D
- [SDR DLL10992155](https://openairdocs.org/sdr/DLL10992155.md): Stringer · cracked · Sep 24, 1999 · N720DA · Lkheed 10113851 · Fuselage Main, Longeron/Stringer
  > THE LBL 25.5 KEELSON STRINGER WAS FOUND WITH A 1.5 INCH LONG CRACK RUNNING FWD-AFT IN THE HORIZONTAL FLANGE AT FS 1357. THE STRINGER WAS CUT AT FS 1357 AND THE AFT END REMOVED. A NEW AFT SECTION WAS FABRICATED AND SPLICED IN PER ER/A 368337-14, REV A.
- [SDR DLL10992016](https://openairdocs.org/sdr/DLL10992016.md): Air Dist · odor · Sep 10, 1999 · N720DA · Lkheed 10113851 · Air Distribution System
  > AFTER TAKEOFF ATL, A VERY NOXIOUS ODOR CAME FROM THE AIR CONDITIONING SYSTEM IT SET OFF THE AFT SMOKE DET IN AFT LAVS. ODOR REDUCED AND SEEMED SPENT AS A/C PRESSURIZED AND WE CLIMBED TO HIGHER ALT. RAN PACKS WITH ALL THREE ENGS AT T/O PWR NO DISCREPANCIES NOT
- [SDR DLL10991443](https://openairdocs.org/sdr/DLL10991443.md): Seal · failed · Jun 27, 1999 · N720DA · Lkheed 10113851 · Turbine Engine Compressor Section
  > DURING FLT, USUALLY AT REDUCED POWER, CABIN FILLED WITH A BLUE HAZE AND LAV SMOKE DETECTORS IN FWD AND AFT LAVS WENT OFF FOR SEVERAL MINUTES. REPLACED NR 3 ENGINE DUE TO FRONT BEARING OIL LEAK.
- [SDR DLL10990563](https://openairdocs.org/sdr/DLL10990563.md): Skin · cracked · Mar 11, 1999 · N720DA · Lkheed 10113851 · Fuselage Main, Plate/Skin
  > A CRACK WAS FOUND IN SKIN ASSY OF THE UPPER FORWARD CORNER OF THE L3 DOOR CUTOUT. THE CRACK IS IN THE SKIN, DOOR SURROUND DOUBLER, AND TRIPLER. THE SKIN ASSY WAS X-RAYED TO DETERMINE THE END OF THE CRACK AND THEN REPAIRED PER L1011 SRM 53-31-00, FIG 836.
- [SDR DLL10990550](https://openairdocs.org/sdr/DLL10990550.md): Skin · cracked · Mar 11, 1999 · N720DA · Lkheed 10113851 · Fuselage Main, Plate/Skin
  > THE UPPER AFT CORNER OF THE R1 DOOR CUTOUT WAS FOUND WITH A TYPICAL CRACK IN THE SKIN ASSY AND TRIPLER. THE AREA WAS X-RAYED TO DETERMINE THE EXACT END OF THE CRACK AND REPAIRED PER L1011 SRM 53-31-00, FIG 836. THE REPAIR WAS DOCUMENTED PER ER/A 366927-14.
- [SDR DLL10982623](https://openairdocs.org/sdr/DLL10982623.md): Hyd Line · broken · Dec 25, 1998 · N720DA · Lkheed 10113851 · Landing Gear Retraction/Extension System
  > AFTER TAKEOFF, COULD NOT RETRACT LANDING GEAR ALSO GOT TRUCK LIGHT ON, PERFORMED POM PROCEDURES AND RETUNED TO AIRPORT. MTC FOUND HYD FUSE SET AND FLEX LINE ON RIGHT GEAR TO RIGID LINE ON BOGGIE BEAM BROKEN. REPLACED LINE AND RESET FUSE, LEAK CHECKS OK. A/C
- [SDR DLL10981625](https://openairdocs.org/sdr/DLL10981625.md): Power Supply · inoperative · Aug 8, 1998 · N720DA · Lkheed 10113851 · Emergency Lighting
  > EMERGENCY EXTERIOR LIGHTS INOP LEFT FWD. REPLACED BATTERY AND PWR SUPPLY, SYS NOW CKS OK.
- [SDR DLL10980740](https://openairdocs.org/sdr/DLL10980740.md): Gearbox · failed · Apr 5, 1998 · N720DA · Lkheed 10113851 · Turbine Engine Accessory Drive
  > BEGINNING DESCENT, -A- SYSTEM PRESSURE 0, QUANTITY REMAINED. IDG LOW OIL PRESSURE LIGHT ON, GEN DISCONNECTED. DISCONNECTED IDG. ON APPROACH NR 1 OIL QTY DROPPED, QTY BELOW 10. NR 1 ENG SHUTDOWN. AT GATE NR 1 ENG OIL QTY 0. REPLACED NR 1 ENG MAIN GEARBOX
- [SDR DLL10980683](https://openairdocs.org/sdr/DLL10980683.md): Skin · corroded · Mar 28, 1998 · N720DA · Lkheed 10113851 · Fuselage Main, Plate/Skin
  > THE FUSELAGE SKIN AT FS 759 AND STRINGER 38 WAS FOUND CRACKED DUE TO CORROSION. THE CORRODED AREA WAS TRIMMED OUT AND AN EXTERNAL ALUMINUM DOUBLER WAS INSTALLED PER ER/A 364366-14, REV A.
- [SDR DLL10980685](https://openairdocs.org/sdr/DLL10980685.md): Skin · cracked · Mar 27, 1998 · N720DA · Lkheed 10113851 · Wing, Plate/Skin
  > THE LT LOWER WING SKIN WAS FOUND CRACKED AT IWS 477 AND STRINGER 17. THE CRACK IS SUBJECT TO THE SID AD 95-20-04. THE CRACK WAS STOP DRILLED AND REPAIRED WITH A DOUBLER AND TRIPLER PER ER/A 364365-14AD, REV A. THE ER/A WAS GRANTED AMOC APPROVAL.
- [SDR DLL10980672](https://openairdocs.org/sdr/DLL10980672.md): Counterbalance · broken · Mar 27, 1998 · N720DA · Lkheed 10113851 · Service Doors
  > R-4 DOOR DOES NOT OPEN WHEN USING EMERGENCY HANDLE. ITEM FOUND DURING E-LETTER CHECK INITIAL INSP, OPN 58131. ITEM CLEARED BY REPLACING DR COUNTERBALANCE. OPS CK GOOD OPN 68115 ITEM REPLACED ON N/R CARD 149.
- [SDR DLL10980481](https://openairdocs.org/sdr/DLL10980481.md): Power Supply · inoperative · Feb 26, 1998 · N720DA · Lkheed 10113851 · Emergency Lighting
  > COCKPIT AND L1 DOOR EMERG EXIT SIGNS INOP. REPLACED POWER SUPPLY UNIT, CKD NML.
- [SDR DLL10980359](https://openairdocs.org/sdr/DLL10980359.md): Light · broken · Feb 10, 1998 · N720DA · Lkheed 10113851 · Emergency Lighting
  > EMERGENCY LIGHT STRIP AT MID GALLEY CROSS-AISLE INOP. REPAIRED BROKEN WIRE AT SPLICE.
- [SDR DLL10972043](https://openairdocs.org/sdr/DLL10972043.md): Circuit Board · broken · Oct 11, 1997 · N720DA · Lkheed 10113851 · Emergency Lighting
  > EMERGENCY EXIT SIGN LIGHT INOP. FOUND TERMINAL POST ON LIGHT CIRCUIT BOARD BROKEN LOOSE ON EMERGENCY EXIT SIGN.
- [SDR DLL10971289](https://openairdocs.org/sdr/DLL10971289.md): Prox Card · inoperative · Jul 3, 1997 · N720DA · Lkheed 10113851 · Landing Gear Position and Warning
  > AFTER GEAR RETRACTION, THE RED IN TRANSIT LIGHT ALONG WITH THE LEFT GEAR DOOR LIGHT ON S/O PANEL ILLUMINATED. ACCOMPLISHED POM PROCEDURES LIGHTS REMAINED ILLUMINATED. REPLACED PROX CARD.
- [SDR DLL10971068](https://openairdocs.org/sdr/DLL10971068.md): Control Valve · cracked · Jun 2, 1997 · N720DA · Lkheed 10113851 · Hydraulic System, Main
  > UPON LOWERING GEAR HANDLE LOST C-SYSTEM PRESSURE AND FLUID TO BELOW HALF. APPLIED BRAKES AT 120 KNOTS. REPLACED CRACKED C-SYSTEM LEFT MAIN PHASE CONTROL VALVE. CHECKED PUMP FILTERS, SYSTEM OPS CHECK GOOD.
- [SDR DLL10970686](https://openairdocs.org/sdr/DLL10970686.md): Skin · cracked · Apr 11, 1997 · N720DA · Lkheed 10113851 · Wing, Plate/Skin
  > LT UPPER WING SKIN FOUND CRACKED OVER THE IWS 319.8 RIB JUST FWD OF THE REAR SPAR. THE CRACK IS APPROX 1.5 LONG AND RUNS DIAGONALLY THROUGH A RIB SHEAR CLIP ATTACH FASTENER.
- [SDR DLL10970284](https://openairdocs.org/sdr/DLL10970284.md): Power Supply · inoperative · Feb 15, 1997 · N720DA · Lkheed 10113851 · Emergency Lighting
  > EMERGENCY LIGHT POWER SUPPLY AT L4 DOOR INOP.
- [SDR DLL10970169](https://openairdocs.org/sdr/DLL10970169.md): Bulkhead Web · cracked · Dec 23, 1996 · N720DA · Lkheed 10113851 · Fuselage Main, Bulkhead
  > BS 1212 BULKHEAD WEB FOUND CRACKED AT RBL 6. CRACK IS 2 INCHES. THE RBL 6 LOCATION REQUIRES A CHANGE TO THE DOUBLER PROFILE TO ACCOMMODATE A CABLE PASS-THROUGH.
- [SDR DLL10961535](https://openairdocs.org/sdr/DLL10961535.md): Pbe · button popped · Jun 26, 1996 · N720DA · Lkheed 10113851 · Portable Oxygen System
  > PBE IN LOWER GALLEY HAS BUTTON POPPED. REPLACED PBE, OK FOR SERVICE.
- [SDR DLL10961169](https://openairdocs.org/sdr/DLL10961169.md): Lower Sill · corrosion · May 7, 1996 · N720DA · Lkheed 10113851 · Fuselage Miscellaneous Structure
  > CORROSION WAS FOUND ON THE C2 DOOR SURROUND LOWER SILL OUTER CAP STA 1625. THE CORROSION WAS CUT OUT, FILLED AND REINFORCED, REV A ADDS FAA APPROVAL.
- [SDR DLL10961101](https://openairdocs.org/sdr/DLL10961101.md): Skin · dented · May 6, 1996 · N720DA · Lkheed 10113851 · Fuselage Main, Plate/Skin
  > A DENT WAS DISCOVERED AT FS 189 LBL 30.6. THE DENT WAS CUT OUT, FILLED AND REINFORCED.
- [SDR DLL10961100](https://openairdocs.org/sdr/DLL10961100.md): Skin · dented · May 6, 1996 · N720DA · Lkheed 10113851 · Fuselage Main, Plate/Skin
  > AT FS 717 AND 719 BETWEEN STRINGERS 23 AND 24, TWO DENTS WERE FOUND JUST AFT OF THE LOWER AFT CORNER OF THE C-1 CARGO DOOR. THE DENTS WERE CUT OUT, FILLED AND REINFORCED.
- [SDR DLL10961139](https://openairdocs.org/sdr/DLL10961139.md): Rib Caps · cracked · Apr 22, 1996 · N720DA · Lkheed 10113851 · Wing, Rib/Bulkhead
  > THE RT WING IWS 503 RIB UPPER AND LOWER CAPS HAVE CRACKS IN THE TYPICAL LOCATION AT THE ATTACH TABS. THE CAPS ARE TO BE REPLACED PER EO 7-59208-3AD, BUT THE COMPLETE REMOVAL OF THE UPPER CAP PROVIDES SUFFICIENT ACCESS TO ALLOW ONE SPLICE LOCATION IN EACH CAP
- [SDR DLL10961137](https://openairdocs.org/sdr/DLL10961137.md): Skin · dented · Apr 22, 1996 · N720DA · Lkheed 10113851 · Fuselage Main, Plate/Skin
  > THE SKIN SECTION BETWEEN FS 158 AND 267 AT WL 198 WAS FOUND TO HAVE FURTHER DAMAGE THAN THAT WHICH WAS REPAIRED BY ER/A 266918-14. THE NEW DAMAGE CONSISTED OF SEVERAL GOUGES. THE GOUGES WERE REMOVED AND REINFORCED, REV A TO ER/A 273653-14 PROVIDES FAA AP
- [SDR DLL10961138](https://openairdocs.org/sdr/DLL10961138.md): Skin · corrosion · Apr 18, 1996 · N720DA · Lkheed 10113851 · Fuselage Main, Plate/Skin
  > THE FUSELAGE SKIN BETWEEN FS 887, 940 AND STR 42 AND 2 BELOW STR 40 REQUIRES REPLACEMENT, REV B TO ER/A PROVIDES FAA APPROVAL.
- [SDR DLL10960969](https://openairdocs.org/sdr/DLL10960969.md): Act Attach Ftg · corrosion · Apr 15, 1996 · N720DA · Lkheed 10113851 · Landing Gear Actuator
  > THE LEFT MLG ATTACH RIB FITTING WAS CORRODED AT THE MLG RETRACT ACTUATOR ATTACH FITTING LOCATION. THE DAMAGE WAS CLEANED UP AND INSPECTED PER DL ERA 273650-14.
- [SDR DLL10960593](https://openairdocs.org/sdr/DLL10960593.md): Power Supply · inoperative · Mar 16, 1996 · N720DA · Lkheed 10113851 · Emergency Lighting
  > BLINKING AMBER LIGHT ON LOWER GALLEY EMERGENCY LIGHT POWER SUPPLY. REPLACED POWER SUPPLY, OPERATION NORMAL.
- [SDR DLL10960240](https://openairdocs.org/sdr/DLL10960240.md): Web · cracked · Jan 23, 1996 · N720DA · Lkheed 10113851 · Fuselage Main, Bulkhead
  > AT LAYOVER IN ATL WHILE PERFORMING SI 7-70645-12, THE FS 1212 CANTED BULKHEAD WAS FOUND WITH VERTICAL CRACKS AT RBL 22.5 LBL 10 AND LBL 30. THEY MEASURE 9, 8 AND 9 INCHES RESPECTIVELY. ALSO, WHILE ACCOMPLISHING REPAIR, ONE HOLE AT LBL 30 WAS DRILLED WITH SHO
- [SDR DLL10954124](https://openairdocs.org/sdr/DLL10954124.md): Bulb · failed · Oct 27, 1995 · N720DA · Lkheed 10113851 · Emergency Lighting
  > EMERGENCY PATH LIGHT AT SEAT 23HJ IS BROKEN. REPLACED LAMP HOLDER AND BULB, CKS GOOD.
- [SDR DLL10953966](https://openairdocs.org/sdr/DLL10953966.md): Cowl · cracked · Oct 11, 1995 · N720DA · Lkheed 10113851 · Engine Cowling System
  > NR 2 ENGINE LOWER LT HINGED COWL, 6 INCH CRACK IN LOWER EDGE OF COWL, AFT OF 2ND LATCH FROM FORWARD EDGE. REPAIRED PER SRM 51-50-02 PAGE 3.
- [SDR DLL10953851](https://openairdocs.org/sdr/DLL10953851.md): Eel Power Pack · inoperative · Sep 28, 1995 · N720DA · Lkheed 10113851 · Emergency Lighting
  > DURING L/O CK, FOUND EMERGENCY LIGHTS OUT AT MID GALLEY, CROSS AISLE. REPLACED POWER PACK PS9.
- [SDR DLL10953645](https://openairdocs.org/sdr/DLL10953645.md): Fitting · cracked · Aug 31, 1995 · N720DA · Lkheed 10113851 · Fuselage Main, Bulkhead
  > COMPLYING WITH INSPECTION SI 7-66332-12 AND AD T95-18-52, FOUND STRINGER TO AFT P-DOME SPLICE FITTINGS CRACKED AT STRINGERS NR 8, 10 AND 58. THE FITTINGS WERE SCHEDULED FOR REPLACEMENT PER DL ERA 271733-14AD REV D.
- [SDR DLL10953166](https://openairdocs.org/sdr/DLL10953166.md): Torque Tube · corrosion · Jul 6, 1995 · N720DA · Lkheed 10113851 · Stabilizer Control System
  > HORIZONTAL STABILIZER RT UPPER TORQUE TUBE SUPPORT BRACKET WAS FOUND WITH CORROSION ON THE LWR SURFACE OF THE UPPER LUG. CORROSION DOES NOT EXTEND INTO THE PARTING PLANE OF THE TWO BRACKET HALVES. ACCOMPLISHED REPAIRS PER DL ERA 271316-14AD.
- [SDR DLL10953103](https://openairdocs.org/sdr/DLL10953103.md): Fitting · corroded · Jul 6, 1995 · N720DA · Lkheed 10113851 · Fuselage Miscellaneous Structure
  > AT LETTER CHECK ATL, FOUND SUPPORT FITTINGS ON THE GALLEY DOOR WERE CORRODED. THE FITTINGS WERE REPLACED IN ACCORDANCE WITH FAA FORM 8110-3, DATED 07-06-95 TO ACCOMODATE REPAIRS PER DL ERA 271294-14.
- [SDR DLL10953002](https://openairdocs.org/sdr/DLL10953002.md): Blkhd Frame · cracked · Jun 29, 1995 · N720DA · Lkheed 10113851 · Fuselage Main, Bulkhead
  > AT B-LETTER CHECK, FOUND BULKHEAD FRAME CRACKED, AT FS 1363 HORZ LEG LT SIDE WL160. REPAIRED PER SRM 53-11-00, PG 932-933
- [SDR DLL10952920](https://openairdocs.org/sdr/DLL10952920.md): Trunnion Ftg · corrosion · Jun 27, 1995 · N720DA · Lkheed 10113851 · Wing, Landing Gear Attach Fittings
  > OUTBOARD SIDE OF RT TRUNNION FITTING WEB WAS FOUND WITH NUMEROUS AREAS OF SURFACE RUST. REPAIRED PER SRM 51-21-01.
- [SDR DLL10952905](https://openairdocs.org/sdr/DLL10952905.md): Former · cracked · Jun 27, 1995 · N720DA · Lkheed 10113851 · Fuselage Miscellaneous Structure
  > FLOOR PANEL SUPPORT RAIL CRACKED IN RADIUS AT STA 1163 FORMER LBL 104. REPAIRED PER SRM 53-21-00.
- [SDR DLL10952884](https://openairdocs.org/sdr/DLL10952884.md): Front Spar · cracked · Jun 27, 1995 · N720DA · Lkheed 10113851 · Elevator, Spar/Rib
  > LT ELEV, FRONT SPAR CRACKED THROUGH BOTH LAYERS OF SKIN AT LIGHTENING HOLE, JUST INBD OF NR 8 ELEV HINGE. REMOVED REPAIR SECTION OF WEB, FABRICATED NEW WEB PIECES, INSTALLED NEW WEB SECTION. REPAIRED FRONT SPAR CRACK PER SRM 55-21-00 PG 804. INSTALLED LWR S
- [SDR DLL10952835](https://openairdocs.org/sdr/DLL10952835.md): Support · cracked · Jun 27, 1995 · N720DA · Lkheed 10113851 · Fuselage Miscellaneous Structure
  > FLOOR PANEL SUPPORT RAIL CRACKED IN RADIUS AT STA 1163 FORMER, LBL 104. REPAIRED PER SRM 53-21-00.
- [SDR DLL10950041](https://openairdocs.org/sdr/DLL10950041.md): Switch · burned · Jan 4, 1995 · N720DA · Lkheed 10113851 · Exterior Lighting
  > DURING DESCENT, CAPTAIN TURNED ON OVERHEAD PANEL AND EYE BROW PANEL LIGHTS AND A BURNING ODOR WAS NOTICED. AFTER LANDING INSPECTION, DISCOVERED THE RIGHT WING LANDING LIGHT SWITCH WITH EVIDENCE OF ARCING. REPLACED SWITCH AND TERMINALS, OPERATION NORMAL.

## 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 n_number = 'N720DA' AND deregistration_id = 'N720DA-2013-06-13'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N720DA-2013-06-13/reports

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