# Service difficulty reports: N790DL, cancelled Sep 12, 2012

A list on [N790DL, cancelled Sep 12, 2012](https://openairdocs.org/deregistered/N790DL-2012-09-12.md).

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

- [SDR DLL13991868](https://openairdocs.org/sdr/DLL13991868.md): Power Supply · failed · Aug 21, 1999 · N790DL · Lkheed 10113851 · Emergency Lighting
  > SMOKE SEEN COMING FROM OVHD BIN ABOVE ROW 45 DURING TAXI IN. SMOKE DISSIPATED WHEN THE BIN WAS OPENED. FOUND LT AFT EMERGENCY LIGHT CHARGER PWR SUPPLY BAD. REPLACED SAME, CKS OK.
- [SDR DLL13991707](https://openairdocs.org/sdr/DLL13991707.md): Sensor · shorted · Jul 29, 1999 · N790DL · Lkheed 10113851 · Fire Detection
  > ON DESCENT, NR 3 ENG 'A' LOOP FIRE LIGHT AND 'B' LOOP ON MCO. ENGINE SHUTDOWN, FIRED BOTH EXT BOTTLES, STILL HAD A LOOP LIGHT. REPLACED UPPER AND LOWER FAN CASE LOOPS AND GEARBOX LOOP.
- [SDR DLL13991188](https://openairdocs.org/sdr/DLL13991188.md): Line · leaking · May 26, 1999 · N790DL · Lkheed 10113851 · Hydraulic System, Main
  > B-SYSTEM LOW QTY LIGHT ILLUMINATED WITH THE QTY SHOWING SLIGHTLY LESS THAN ONE-QUARTER FULL, PRESS WAS NORMAL. SHUTOFF B-SYSTEM ENG PUMP AND TURNED OFF B2 ATM PER POM. COMPLETED NORMAL DESCENT AND LANDED WITH B-SYSTEM DEPRESSURIZED. FOUND NR 2 ENG B-SYSTEM
- [SDR DLL13990665](https://openairdocs.org/sdr/DLL13990665.md): Panel · damaged · Mar 25, 1999 · N790DL · Lkheed 10113851 · Nacelle/Pylon, Plate/Skin
  > FOUND ON WALKAROUND, NR 1 ENG PYLON PANEL 451FT DAMAGED. FABRICATED NEW PANEL PER ERA 367054-14.
- [SDR DLL13982072](https://openairdocs.org/sdr/DLL13982072.md): Ff Regulator · out of adjust · Oct 6, 1998 · N790DL · Lkheed 10113851 · Fuel Controlling System
  > NR 2 ENG LOW POWER ON TAKEOFF ROLL.491 EPR WITH LEVER FULL FORWARD TURNED NR 2 PACK OFF WITH NO INCREASE IN POWER. ABORTED AT 80 KTS, ODM BRAKE TIME VERIFIED. ADJUSTED NR 2 FFR, RAN ENG PER PFHB TETS 13, OPS CK OK.
- [SDR DLL13981157](https://openairdocs.org/sdr/DLL13981157.md): Wire · shorted · May 31, 1998 · N790DL · Lkheed 10113851 · Light System Wiring
  > EMERGENCY TRACK LIGHTS ARE VERY DIM FROM ROW 10 THROUGH 16 AND ROW 20 THROUGH 26 ON LT SIDE AND ROW 20 THROUGH 26 ON THE RT SIDE. FOUND A SHORTED WIRE AT NR 2 CROSS-AISLE EMERG PATH TRACK LIGHTS. REPAIRED SAME WDM. ALL EMERGENCY TRACK LIGHTS FUNCTION GOOD.
- [SDR DLL13980948](https://openairdocs.org/sdr/DLL13980948.md): Prox Switch · failed · May 3, 1998 · N790DL · Lkheed 10113851 · Landing Gear Position and Warning
  > AFTER T/O, LDG GEAR RAISED GREEN LIGHTS EXT RED DOOR AND INTRANSIT LIGHT REMAINED ON ALONG WITH LT GEAR OR DOOR LIGHT ON S/O PNL. GEAR PLACED DOWN AND GEAR EXTENDED WITH 3 GREENS BUT RED DOOR AND INTRANSIT LIGHT REMAINED ON ALONG WITH AMBER LIGHT ON S/O PANEL
- [SDR DLL13980776](https://openairdocs.org/sdr/DLL13980776.md): Pack · smoking · Apr 8, 1998 · N790DL · Lkheed 10113851 · Cabin Cooling System
  > FLIGHT ATTENDANT NOTIFIED CREW OF LIGHT SMOKE IN CABIN. CHECKLIST FOLLOWED AND ISOLATED NR 2 A/C PACK. SMOKE CLEARED. DRAINED AND REFILLED ACM. REPLACED WATER SEPARATOR BAG, INSPECTED ENGINE AND ALL CHECKS NORMAL.
- [SDR DLL13980729](https://openairdocs.org/sdr/DLL13980729.md): Transmitter · loose · Mar 4, 1998 · N790DL · Lkheed 10113851 · Fuel Quantity Sensor
  > ON T/O, TOWER REPORTED ACFT HAD SOMETHING STREAMING FROM THE OUTBD LEFT WING. VISUAL INSPECTION NOTED FUEL WAS COMING FROM TOP OF WING. RETURNED TO SFO. MAINT FOUND NR 5 FUEL QTY TRANSMITTER FOR 2 LT INBD FUEL TANK LOOSE IN ITS HOUSING AND 4 OF THE 5 SCREWS
- [SDR DLL13980416](https://openairdocs.org/sdr/DLL13980416.md): Battery · discharged · Feb 15, 1998 · N790DL · Lkheed 10113851 · Emergency Lighting
  > EMERGENCY FLASHLIGHT INOP AT 2L. REPLACED BATTERY.
- [SDR DLL13980344](https://openairdocs.org/sdr/DLL13980344.md): Wire · broken · Feb 9, 1998 · N790DL · Lkheed 10113851 · Light System Wiring
  > EMERGENCY LIGHT SOCKET WIRING BROKEN AT SEAR/ROW 11H. REPAIRED BROKEN WIRING. LIGHT OPERATIONAL CK NORMAL.
- [SDR DLL13980268](https://openairdocs.org/sdr/DLL13980268.md): Power Supply · inoperative · Jan 30, 1998 · N790DL · Lkheed 10113851 · Emergency Lighting
  > FOUND DURING LAYOVER EMERGENCY EXIT SIGNS BY 2R DOOR INOP. POWER SUPPLY WAS REPLACED AND LIGHT OPERATION WAS NORMAL.
- [SDR DLL13972222](https://openairdocs.org/sdr/DLL13972222.md): Clamp · loose · Nov 1, 1997 · N790DL · Lkheed 10113851 · Cabin Cooling System
  > VALID D-AREA OVERHEAT. FOUND NR 2 PACK VALVE LEAKING AT CLAMP. TIGHTENED CLAMP.
- [SDR DLL13972171](https://openairdocs.org/sdr/DLL13972171.md): Bypass Vlv · failed · Oct 27, 1997 · N790DL · Lkheed 10113851 · Cabin Cooling System
  > DURING CLIMB-OUT, FLIGHT ATTENDANTS REPORTED SMOKE IN THE CABIN AND A HOT SMELL, DUE TO HISTORY. NUMBER 3 PACK SECURED CLOSED. REPLACED RAM AIR ACT AND TURB BYPASS VLV PACK CKS GOOD.
- [SDR DLL13972137](https://openairdocs.org/sdr/DLL13972137.md): Oven · dirty · Oct 23, 1997 · N790DL · Lkheed 10113851 · Buffet/Galleys
  > OVEN FIRE CAUSED BY FOOD SPILL. CLEANED OVEN OPERATION NORMAL.
- [SDR DLL13972062](https://openairdocs.org/sdr/DLL13972062.md): Over Temp Sw · failed · Oct 16, 1997 · N790DL · Lkheed 10113851 · Cabin Cooling System
  > EXTREMLY STRONG PACK ODOR AFTER T/O, LAV SMOKE ALARMS WENT OFF. ISOLATED SMELL TO NR 2 PACK, SECURED PACK. PROBLEM REOCCURED DURING DESCENT INTO SLC, EVEN WITH NR 2 PACK OFF. SMOKE ALARM IN AFT LAVS WENT OFF FUMES BAD ENOUGH TO FORCE F/A ON 02. RAN ENGS AN
- [SDR DLL13971499](https://openairdocs.org/sdr/DLL13971499.md): Controller · failed · Jul 28, 1997 · N790DL · Lkheed 10113851 · Cabin Pressure Controller
  > AIRCRAFT WAS IN FLT 2 HRS, PRESSURIZATION PROBLEM OCCURRED. A/C PRESSURIZATION SYSTEM WENT OUT OF CONTROL. FIRST TO FULL NEGATIVE DOWN, FAULT LIGHT ON THEN SAFETY VALVES OPENED AND CABIN WENT TO FULL UP 2000 RPM. ABLE TO CONTROL CABIN WITH MANUAL CONTROL.
- [SDR DLL13971490](https://openairdocs.org/sdr/DLL13971490.md): Skin · corrosion · Jul 24, 1997 · N790DL · Lkheed 10113851 · Fuselage Main, Plate/Skin
  > THE FUSELAGE SKIN AND INTERNAL BONDED DOUBLER WERE FOUND CORRODED REQUIRING THE REMOVAL OF THE DAMAGED SECTIONS. THE DAMAGED AREA IS LOCATED NEAR STA 496 OVER STR 26. THE ADJACENT STRINGER HAD CORROSION WHICH WAS BLENDED OUT TO.010 DEEP BY 1.5 DIA. THE STR
- [SDR DLL13971318](https://openairdocs.org/sdr/DLL13971318.md): Wire · broken · Jul 7, 1997 · N790DL · Lkheed 10113851 · Light System Wiring
  > TRACK LIGHTING AT ROW 1D DAMAGED. REPLACED MODULE.
- [SDR DLL13971058](https://openairdocs.org/sdr/DLL13971058.md): Battery Charger · inoperative · Jun 2, 1997 · N790DL · Lkheed 10113851 · Emergency Lighting
  > EXTERNAL EMERGENCY LIGHT AT L3 INOP. REMOVED AND REPLACED BATTERY CHARGER POWER SUPPLY.
- [SDR DLL13970255](https://openairdocs.org/sdr/DLL13970255.md): Sense Line · leaking · Feb 9, 1997 · N790DL · Lkheed 10113851 · Pneumatic Indicating System
  > GOT B-LOOP NACELLE PYLON O/HEAT, WENT TO A-LOOP CHECKED OK. A FEW MINS LATER A-LOOP LIGHT CAME ON, PULLED NR 1 ENGINE TO IDLE AND LIGHTS WENT OUT. FOUND SENSE LINE AFT OF T/R PRSOV LEAKING. REPLACED SENSE LINE, OPERATION OK.
- [SDR DLL13970118](https://openairdocs.org/sdr/DLL13970118.md): Spar Web · fatigue · Dec 20, 1996 · N790DL · Lkheed 10113851 · Wing Spar
  > DURING INSP OF CENTER WING TANK, FS 1043, 1103, 1163 SPAR WEBS WERE FOUND WITH A MISSING ROW OF FASTENERS AT LBL AND RBL 116 END RIBS. THIS WAS A MANUFACTURE DEFECT. NUMEROUS CRACKS WERE FOUND EMANATING FROM THE HOLES.
- [SDR DLL13962554](https://openairdocs.org/sdr/DLL13962554.md): Megaphone · malfunctioned · Nov 20, 1996 · N790DL · Lkheed 10113851 · Emergency Equipment
  > MEGAPHONE WEAK AT 4L.
- [SDR DLL13961332](https://openairdocs.org/sdr/DLL13961332.md): Track · broken · May 30, 1996 · N790DL · Lkheed 10113851 · Emergency Lighting
  > EMERGENCY LIGHT FLOOR TRACK BROKEN AT F/C RT SIDE. FOUND ON LAYOVER. C/A: REPLACED FLOOR TRACK, CKS OK.
- [SDR DLL13961321](https://openairdocs.org/sdr/DLL13961321.md): Power Supply · inoperative · May 30, 1996 · N790DL · Lkheed 10113851 · Emergency Lighting
  > ON LAYOVER, FOUND D-ZONE EMERGENCY FLOOR TRACK LIGHTS INOPERATIVE. REPLACED POWER SUPPLY. SYSTEM CHECKS GOOD.
- [SDR DLL13961024](https://openairdocs.org/sdr/DLL13961024.md): Bulkhead Web · cracked · Apr 26, 1996 · N790DL · Lkheed 10113851 · Fuselage Main, Bulkhead
  > CRACKS WERE FOUND IN THE F.S. 1212 CANTED BULKHEAD WEB. THE DAMAGE WAS TRIMMED OUT, FILLED AND REINFORCED. ACCOMPLISHED REPAIRS PER DL ERS 273699-14.
- [SDR DLL13961006](https://openairdocs.org/sdr/DLL13961006.md): Battery Pack · discharged · Apr 23, 1996 · N790DL · Lkheed 10113851 · Emergency Lighting
  > EMERGENCY FLOOR TRACK LIGHTS INOPERATIVE IN 'D' ZONE. ALSO, LEFT AND RIGHT IDENTIFIER IN 'D' ZONE INOPERATIVE. REPLACED 'D' ZONE EMERGENCY LIGHTS POWER SUPPLY AND BATTERY PACK. OPS CHECKS NORMAL.
- [SDR DLL13961005](https://openairdocs.org/sdr/DLL13961005.md): Track Light · missing · Apr 23, 1996 · N790DL · Lkheed 10113851 · Emergency Lighting
  > EMERGENCY FLOOR TRACK IS MISSING AT CROSS-AISLE BETWEEN 'C' AND 'D' ZONES. INSTALLED MISSING FLOOR TRACK. CHECKS NORMAL.
- [SDR DLL13960979](https://openairdocs.org/sdr/DLL13960979.md): Power Supply · inoperative · Apr 23, 1996 · N790DL · Lkheed 10113851 · Emergency Lighting
  > EMERGENCY FLOOR TRACK LIGHTS IN D-ZONE INOPERABLE. ALSO, EXIT IDENTIFIERS INOPERATIVE AT LEFT AND RIGHT DOORS IN D-ZONE. C/A REPLACED BATTERY PACK AND POWER SUPPLY IN D-ZONE. CHECKS OK.
- [SDR DLL13960378](https://openairdocs.org/sdr/DLL13960378.md): Rib Cap · cracked · Feb 16, 1996 · N790DL · Lkheed 10113851 · Wing, Rib/Bulkhead
  > THE RT WING IWS 529 UPPER CAP IS CRACKED IN TYPICAL LOCATIONS. THE REF ERA AUTHORIZES REPLACEMENT OF THE SUBJECT CAP CONTAINING CRACKS PER LAC L1011 S/B 093-57-207, REF DL ERA 272877 AD REV A.
- [SDR DLL13960193](https://openairdocs.org/sdr/DLL13960193.md): Strap · cracked · Jan 25, 1996 · N790DL · Lkheed 10113851 · Fuselage Main, Bulkhead
  > THE BULKHEAD SPLICE STRAP AT FS 1363 LBL 42.5 WAS FOUND CRACKED. THE SUBJECT STRAP IS M/F 0.100 7075-T6 CLAD. ACCOMPLISHED REPAIRS PER DL ERA 272789-14AD.
- [SDR DLL13960123](https://openairdocs.org/sdr/DLL13960123.md): Press Deck · corroded · Jan 17, 1996 · N790DL · Lkheed 10113851 · Fuselage Miscellaneous Structure
  > THE NLG PRESSURE DECK CONTAINED CORROSION THAT WAS CUT OUT AT STA 359, LBL 26. THE FINAL CUT OUT DIMENSIONS ARE 4 INCH BY 8 INCH. INSTALLED REPAIR PER DL ERA 273038 R B.
- [SDR DLL13960122](https://openairdocs.org/sdr/DLL13960122.md): Skin · corroded · Jan 17, 1996 · N790DL · Lkheed 10113851 · Fuselage Main, Plate/Skin
  > DURING HMV INSPECTION, THE FUSELAGE SKIN WAS FOUND SEVERELY CORRODED AT FS 1765, STR 39. THE DAMAGE WAS TRIMMED OUT AND FINAL CUT OUT DIMENSIONS ARE 8.5 INCH BY 7.5 INCH. AN EXTERNAL DOUBLER WILL BE INSTALLED AS A PERMANENT REPAIR PER DL ERA 272931 REV C.
- [SDR DLL13960095](https://openairdocs.org/sdr/DLL13960095.md): Actuator · cracked · Jan 16, 1996 · N790DL · Lkheed 10113851 · Landing Gear Actuator
  > LEFT MLG ACTUATOR CYLINDER LOWER END CRACKED COMPLETELY AND FAILED DURING PREFLIGHT OPERATIONS POST HMV. CAUSED COMPLETE LOSS OF C-SYSTEM HYD FLUID. CYLINDER APPEARS TO NOT HAVE BEEN IDENTIFIED AS BEING MODIFIED PER SB. REPLACED CYLINDER.
- [SDR DLL13960057](https://openairdocs.org/sdr/DLL13960057.md): Fitting · corroded · Jan 8, 1996 · N790DL · Lkheed 10113851 · Wing, Landing Gear Attach Fittings
  > AT HMV, THE LT MLG ACTUATOR ATTACH FITTING WAS FOUND CORRODED ON THE UPPER FLANGE. TO REMOVE THE CORROSION THE FASTENER HOLE WAS OVERSIZED AND SPOTFACED IN ACCORDANCE WITH INSTRUCTIONS OF THE L1011 SRM FIG 808. THE FITTING WILL BE REPAIRED PER L1011 SRM 57-1
- [SDR DLL13953983](https://openairdocs.org/sdr/DLL13953983.md): Eel Power Supply · failed · Oct 11, 1995 · N790DL · Lkheed 10113851 · Emergency Lighting
  > THE D-ZONE EMERGENCY FLOOR TRACK LIGHTING INOP. REPLACED POWER SUPPLY, OPERATION NORMAL.
- [SDR DLL13953964](https://openairdocs.org/sdr/DLL13953964.md): Eel Lamp · failed · Oct 11, 1995 · N790DL · Lkheed 10113851 · Emergency Lighting
  > EMERGENCY FLOOR TRACK LIGHT AT SEAT 5D IS INOP. RELAMPED LIGHT.
- [SDR DLL13953963](https://openairdocs.org/sdr/DLL13953963.md): Eel Power Supply · failed · Oct 11, 1995 · N790DL · Lkheed 10113851 · Emergency Lighting
  > EMERGENCY LIGHT FLOOR TRACK IN D-ZONE IS INOP. REPLACED POWER SUPPLY, CKS GOOD.
- [SDR DLL13953621](https://openairdocs.org/sdr/DLL13953621.md): Frame · cracked · Sep 5, 1995 · N790DL · Lkheed 10113851 · Fuselage Main, Frame
  > A 1.25 INCH CRACK WAS FOUND AT FS 1645 FRAME ATTACHMENT TO THE WL 289 LONGERON, STRINGER 14. ALSO, THREE ADDITIONAL HOLES WERE ADDED THROUGH THE FRAME INNER CAP, BETWEEN WL 295 AND WL 300. THE FRAME WAS REPAIRED PER FIG 8 OF SI 7-69903-12AD AND THE THREE HOL
- [SDR DLL13953616](https://openairdocs.org/sdr/DLL13953616.md): Frame · cracked · Sep 5, 1995 · N790DL · Lkheed 10113851 · Fuselage Main, Frame
  > DURING INSPECTION, FOUND FUSELAGE FRAME CRACKED AT STA 1605, STR 14. DAMAGE IS TYPICAL TO THAT DESCRIBED IN FAA AD 95-10-17 AND LAC S/B 093-53-A271. REPAIR IS BEING ACCOMPLISHED PER DAL SI 7-69903-12AD.
- [SDR DLL13954213](https://openairdocs.org/sdr/DLL13954213.md): Blkhd Cap · cracked · Aug 31, 1995 · N790DL · Lkheed 10113851 · Fuselage Main, Bulkhead
  > PREVIOUSLY STOP DRILLED CRACKS IN NLG W/W AFT BULKHEAD ARE EXTENDED BEYOND THOSE STOP DRILLS. ACCOMPLISHED REPAIRS PER DL ERA 271754-1AD.

## 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 = 'N790DL' AND deregistration_id = 'N790DL-2012-09-12'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N790DL-2012-09-12/reports

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