# Service difficulty reports: N831L, cancelled Feb 23, 2004

A list on [N831L, cancelled Feb 23, 2004](https://openairdocs.org/deregistered/N831L-2004-02-23.md).

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

- [SDR DL72W011420](https://openairdocs.org/sdr/DL72W011420.md): Battery Pack · discharged · Aug 27, 2001 · N831L · Boeing 7272Q8 · Emergency Lighting
  > FOUND RT OVERWING EMERGENCY DOOR LIGHTS INOP. CA REPLACED BATTERY PACK, CKS GOOD.
- [SDR DL72W010991](https://openairdocs.org/sdr/DL72W010991.md): Bypass Valve · failed · Jun 16, 2001 · N831L · Boeing 7272Q8 · Trailing Edge Flap Control System
  > ON FLAP RETRACTION LOST A-SYS HYD. FOUND O/B FLAP BYPASS VALVE FAILED. REMOVED AND REPLACED O/B FLAP BYPASS VALVE.
- [SDR DL72W010601](https://openairdocs.org/sdr/DL72W010601.md): Skin · cracked · Apr 11, 2001 · N831L · Boeing 7272Q8 · Fuselage Main, Plate/Skin
  > THE FUSELAGE SKIN WAS FOUND WITH A SMALL BULGE AND CRACK AT FS 1030 AND STRINGER 30. THE DAMAGE WAS REMOVED WITH A 1.5 INCHES X 1.5 INCHES CUTOUT. THE CUTOUT WAS REPAIRED WITH AN EXTERNAL ALUMINUM DOUBLER PER ER/A 380542-14, REV A.
- [SDR DL72W010404](https://openairdocs.org/sdr/DL72W010404.md): Shim · loose · Mar 11, 2001 · N831L · Boeing 7272Q8 · Trailing Edge Flaps
  > INSPECTIONS OF THE INBD FLAP INBD TRACK ON THE RT WING PER AD 90-07-05 REVEALED A LAMINATED SHIM WHICH HAD MIGRATED MORE THAN THE.25 INCH ALLOWED. THE MIGRATED SHIM WAS REMOVED AND REPLACED AND THE ATTACH BOLTS RE-TORQUED PER THE REQUIREMENTS ON THE
- [SDR DL72W010267](https://openairdocs.org/sdr/DL72W010267.md): Beam · cracked · Feb 14, 2001 · N831L · Boeing 7272Q8 · Fuselage Miscellaneous Structure
  > A TYPICAL CRACK WAS FOUND AT THE LOWER END OF THE LBL 8 VERTICAL BEAM ON THE FS 1183 BULKHEAD AT WL 182. THE CRACK WAS REPAIRED WITH AN ANGLE REPAIR PER BAC S/B 727-53-0175 AND ER/A 380021-14.
- [SDR DL72W002081](https://openairdocs.org/sdr/DL72W002081.md): Switch · damaged · Oct 22, 2000 · N831L · Boeing 7272Q8 · Fuel Indicating System
  > AIRCRAFT AIR TURNBACK FOR ALL FUEL QUANTITY INDICATORS INOP IN FLIGHT. FOUND FUEL PANEL POWER SWITCH BUMPER NOT MAKING CONTACT WITH PANEL POWER SWITCH. REPLACED MASTER POWER SWITCH GUARD.
- [SDR DL72W000616](https://openairdocs.org/sdr/DL72W000616.md): Cone · missing · Apr 2, 2000 · N831L · Boeing 7272Q8 · Engine (Turbine/Turboprop)
  > ON ARRIVAL SFO, NR 2 ENGINE TAIL CONE MISSING. REPLACED SAME.
- [SDR DL72W992425](https://openairdocs.org/sdr/DL72W992425.md): Smoke Detector · activated · Nov 2, 1999 · N831L · Boeing 7272Q8 · Smoke Detection
  > ON FINAL APPROACH, LAV SMOKE LIGHT ILLUMINATED, F/A SMELLED SMOKE IN RT AFT LAV. INSPECTED RT AFT LAV, NO EVIDENCE OF SMOKE. LIGHTS ALL CHECKED GOOD. REPLACED SMOKE DETECTOR AS A PRECAUTION, TEST GOOD.
- [SDR DL72W991790](https://openairdocs.org/sdr/DL72W991790.md): Stringer · corroded · Aug 8, 1999 · N831L · Boeing 7272Q8 · Fuselage Main, Longeron/Stringer
  > FUSELAGE STRINGER S-29L, FS 950F PLUS 10 CORROSION REPAIR. STRINGER 29L WAS FOUND WITH EXTENSIVE CORROSION AROUND STATION 950F. THE CORRODED SECTION OF STRINGER WAS CUT AND REMOVED. A NEW SECTION OF STRINGER WAS SPLICED IN PER ER/A 367879-14, REV B.
- [SDR DL72W991528](https://openairdocs.org/sdr/DL72W991528.md): Casting · cracked · Jul 7, 1999 · N831L · Boeing 7272Q8 · Spoilers
  > DRG TPA LTR CHK E1, NR 12 SPOILER ACTUATOR SUPPORT FITTING O/B MOUNT CASTING LWR MOUNT BOLT LOBE BROKEN OFF. REPLACED CASTING PER MM 57-42-0.
- [SDR DL72W990774](https://openairdocs.org/sdr/DL72W990774.md): Line · leaking · Apr 9, 1999 · N831L · Boeing 7272Q8 · Hydraulic System, Main
  > SYSTEM 'A' FAILED UPON GEAR RETRACTION PRESSURE WENT TO ZERO QUANTITY WENT TO 1 QT, PERFORMED CKLIST PROCEDURES IAW POM. MAINTENANCE FOUND HYD LINE LEAKING ON LT GEAR DOOR ACTUATOR. REPLACED LINE, SERVICED HYD, ALL CKS NORMAL.
- [SDR DL72W990748](https://openairdocs.org/sdr/DL72W990748.md): Skin · cracked · Apr 2, 1999 · N831L · Boeing 7272Q8 · Fuselage Main, Plate/Skin
  > LFEC INSPECTION OF THE STRINGER 26L SKIN LAP SPLICE BETWEEN FS 480 AND 680 INDICATED A CRACK IN THE LOWER FASTENER ROW OF THE LOWER SKIN PANEL. INTERNAL HFEC INSPECTION CONFIRMED 3 CRACKS BETWEEN FS 540 AND 560. THE CRACKS WERE CUT OUT OF THE SKIN LAP AND RE
- [SDR DL72W980996](https://openairdocs.org/sdr/DL72W980996.md): Frame · cracked · May 11, 1998 · N831L · Boeing 7272Q8 · Service Doors
  > A.5 INCH CRACK IN DOUBLER RT FWD SVC DOOR AFT FRAME UPPER CORNER. REPAIR PER M/M 52-12-0 FIG 805.
- [SDR DL72W980019](https://openairdocs.org/sdr/DL72W980019.md): Power Supply · inoperative · Jan 2, 1998 · N831L · Boeing 7272Q8 · Emergency Lighting
  > AFT SECTION OF EMERGENCY LIGHTS INOP FROM ROW 27. REPLACED 2 SOCKETS AND POWER SUPPLY.
- [SDR DL72W972592](https://openairdocs.org/sdr/DL72W972592.md): Coffeemaker · failed · Dec 10, 1997 · N831L · Boeing 7272Q8 · Buffet/Galleys
  > NOTED ELECT SMELL IN FWD GALLEY AREA. REPLACED COFFEEMAKER.
- [SDR DL72W972454](https://openairdocs.org/sdr/DL72W972454.md): Exhaust Pipe · cracked · Nov 24, 1997 · N831L · Boeing 7272Q8 · APU Exhaust System
  > WHILE PERFORMING A POST-REMOVAL INSPECTION OF A GTCP85-98CK APU EXHAUST PIPE (3850089-1), THREE INCH CRACKS WERE NOTED ON EACH MOUNTING FLANGE (TWO CRACKS TOTAL). CAUSE FOR CRACKS IS UNKNOWN. EXHAUST PIPE WAS MODIFIED BY ALLIED- SIGNAL TO SATISFY REQUIREM
- [SDR DL72W972391](https://openairdocs.org/sdr/DL72W972391.md): Wire · shorted · Nov 17, 1997 · N831L · Boeing 7272Q8 · Light System Wiring
  > EMERGENCY EXIT BATT CHARGER C/B POPPING. REPAIRED SHORTED WIRE.
- [SDR DL72W972278](https://openairdocs.org/sdr/DL72W972278.md): Battery · discharged · Nov 6, 1997 · N831L · Boeing 7272Q8 · Emergency Lighting
  > R2 DOOR OVERWING EMERGENCY LIGHT INOP. REPLACED BATTERIES.
- [SDR DL72W972277](https://openairdocs.org/sdr/DL72W972277.md): Battery Pack · discharged · Nov 6, 1997 · N831L · Boeing 7272Q8 · Emergency Lighting
  > EXTERIOR EMERGENCY LIGHT BETWEEN LT OVERWING EXITS INOP. REPLACED BATTERY PACK, CKS NML.
- [SDR DL72W970510](https://openairdocs.org/sdr/DL72W970510.md): Angle · cracked · Mar 18, 1997 · N831L · Boeing 7272Q8 · Leading Edge Slat Actuator
  > NR 8 SLAT ACTUATOR I/B AND O/B MOUNT ANGLES CRACKED. REPAIRED PER MM 57-20-21 FIG 808.
- [SDR DL72W970506](https://openairdocs.org/sdr/DL72W970506.md): Angle · cracked · Mar 18, 1997 · N831L · Boeing 7272Q8 · Leading Edge Slat Actuator
  > OUTBOARD MOUNT ANGLE CRACKED NR 8 SLAT ACTUATOR. INBOARD MOUNT ANGLE CRACKED NR 8 SLAT ACTUATOR. REPAIRED PER MM 57-20-21 FIG 808.
- [SDR DL72W970504](https://openairdocs.org/sdr/DL72W970504.md): Angle · cracked · Mar 18, 1997 · N831L · Boeing 7272Q8 · Leading Edge Slat Actuator
  > ONE INCH VISIBLE CRACK AT INBD ATTACH ANGLE FOR NR 1 SLAT ACT. INSTALLED DOUBLER PER MM 57020-21 FIG 808.
- [SDR DL72W970289](https://openairdocs.org/sdr/DL72W970289.md): Batteries · discharged · Feb 16, 1997 · N831L · Boeing 7272Q8 · Emergency Lighting
  > FOUND ON L/O, R-1 EMEGENCY EXIT LIGHT WOULD NOT TEST. FOUND BATTERIES DEAD. REPLACED SAME, OPS CK OK.
- [SDR DL72W962240](https://openairdocs.org/sdr/DL72W962240.md): Skin · gouged · Oct 7, 1996 · N831L · Boeing 7272Q8 · Elevator, Plate/Skin
  > UPPER L/E SKIN GOUGED. REPAIRED SKIN PER SRM 55-20-3 FIG 1.
- [SDR DL72W962239](https://openairdocs.org/sdr/DL72W962239.md): Skin · gouged · Oct 7, 1996 · N831L · Boeing 7272Q8 · Elevator, Plate/Skin
  > TWO HOLES PUNCTURED IN STIFFENER ON UPPER SKIN. REPAIRED STIFFENER PER SRM 55-20-3 FIG 3.
- [SDR DL72W962180](https://openairdocs.org/sdr/DL72W962180.md): Frame · cracked · Sep 23, 1996 · N831L · Boeing 7272Q8 · Galley Doors
  > FWD FRAME CRACKED AT UPPER HINGE. REPAIRED PER SRM 52-40-2 PG 15.
- [SDR DL72W961944](https://openairdocs.org/sdr/DL72W961944.md): Web · cracked · Aug 21, 1996 · N831L · Boeing 7272Q8 · Fuselage Miscellaneous Structure
  > A.25 INCH CRACK AT LIGHTENING HOLE, TORQUE BOX VERTICAL WEB STA 1223. REPAIRED PER M/M 53-11-0 PG 828.
- [SDR DL72W961943](https://openairdocs.org/sdr/DL72W961943.md): Door · cracked · Aug 21, 1996 · N831L · Boeing 7272Q8 · Service Doors
  > RT AFT SERVICE DOOR HAS.375 INCH VISIBLE CRACK IN UPPER HINGE CUTOUT ON FWD FRAME. REPAIRED PER SRM 52-40-2 FIG 4.
- [SDR DL72W961942](https://openairdocs.org/sdr/DL72W961942.md): Door · cracked · Aug 21, 1996 · N831L · Boeing 7272Q8 · Service Doors
  > A.375 INCH VISIBLE CRACK IN UPPER HINGE CUTOUT OF LT AFT SERVICE DOOR. REPAIRED PER SRM 52-40-2 FIG 4.
- [SDR DL72W960809](https://openairdocs.org/sdr/DL72W960809.md): Fire Detector · failed · Apr 9, 1996 · N831L · Boeing 7272Q8 · Fire Detection
  > PILOT REPORT, AFT LAV FIRE DETECTOR GIVES FIRE INDICATION WITH NO EVIDENCE OF FIRE OR SMOKE. REPLACED DETECTOR AFT LAV, TEST NORMAL.
- [SDR DL72W960116](https://openairdocs.org/sdr/DL72W960116.md): Spar · cracked · Jan 14, 1996 · N831L · Boeing 7272Q8 · Elevator, Spar/Rib
  > THE RIGHT HAND ELEVATOR REAR SPAR HAD A CRACK EMANATING.25 INCH FROM THE INBOARD SIDE OF THE SHEAR PLATE, AT THE THIRD FROM INBOARD TAB HINGE FITTING-TO-REAR SPAR ATTACHMENT. CRACK WAS WITHIN THE S/B 55-0087 INTERIM REPAIR 0.250 ALLOWABLE LIMIT ON CRACK LENG
- [SDR DL72W960701](https://openairdocs.org/sdr/DL72W960701.md): Turb Blades · failed · Nov 7, 1995 · N831L · Boeing 7272Q8 · Turbine Section
  > ON ENGINE DISASSY, FOUND ALL 4TH STG TURB BLADES FRACTURED NEAR PLATFORM. UNKNOWN BMOD/FOD NOTED ON 3RD STG TURB BLADE LEADING EDGES. EVIDENCE SUGGESTS THAT THE OBJECT(S) CAUSING THIS DAMAGE, ALSO CAUSED THE 4TH STAGE BLADE FRACTURE.
- [SDR DL72W954316](https://openairdocs.org/sdr/DL72W954316.md): Blade · failed · Nov 7, 1995 · N831L · Boeing 7272Q8 · Turbine Section
  > ON TAKEOFF, NR 3 ENGINE FLAMED-OUT, RETURNED PVR. INITIAL INSPECTION FOUND NR 3 TURNBINE BLADES DISINTEGRATED. REPLACED NR 3 ENGINE FOR RETURN TO SERVICE.
- [SDR DL72W953921](https://openairdocs.org/sdr/DL72W953921.md): Eel Batteries · discharged · Oct 5, 1995 · N831L · Boeing 7272Q8 · Emergency Lighting
  > OVERWING EMERGENCY LIGHT INOP. REPLACED RACK AND BATTERIES, OPERATION NORMAL.
- [SDR DL72W953441](https://openairdocs.org/sdr/DL72W953441.md): Actuator · ruptured · Aug 18, 1995 · N831L · Boeing 7272Q8 · Leading Edge Slat Actuator
  > AT 5,000 FLT ON DEPT, SYS-A HYD LOW PRESS LIGHT ILLUM WITH FWD PANEL SYS A-LIGHT. SYS-A HYD QTY AND PRESS INDICATES ZERO. EMERGENCY CHECK LIST COMPLETED AND FUEL DUMPED, RETURNED TO DFW. FOUND NR 4 SLAT ACT RUPTURED. REPLACED ACT AND SERVICED HYD TO FULL.
- [SDR DL72W953145](https://openairdocs.org/sdr/DL72W953145.md): Angle · cracked · Jun 23, 1995 · N831L · Boeing 7272Q8 · Fuselage Miscellaneous Structure
  > 1.5 INCH CRACK IN ANGLE OF FWD TRANSVERSE BEAM OF THE RT TORQUE BOX AT FS 1273. REPAIRED PER DL ERA 301995-14AD.
- [SDR DL72W952753](https://openairdocs.org/sdr/DL72W952753.md): L/E Rib · cracked · Jun 22, 1995 · N831L · Boeing 7272Q8 · Leading Edge Devices
  > A.5 INCH CRACK ON NR 4 SLAT L/E RIBS AT I/B AND O/B SIDES OF TRACK. FOUND DURING A-2 LETTER CHECK. REPAIRED PER MM 57-54-0.
- [SDR DL72W951453](https://openairdocs.org/sdr/DL72W951453.md): Air Distr · odor · Apr 7, 1995 · N831L · Boeing 7272Q8 · Air Distribution System
  > ON APROACH, HAD UNKNOWN NOXIOUS FUMES IN AFT PASSENGER CABIN. MADE EMERGENCY DESCENT, LANDED AGS. VISUALLY INSPECTED CABIN AND CARGO BINS FOR SPILLS, RAN ENGINES AND PRESSURIZED CABIN DID NOT HAVE ANY ODOR. RETURNED TO SERVICE.

## 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 = 'N831L' AND deregistration_id = 'N831L-2004-02-23'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N831L-2004-02-23/reports

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