# Service difficulty reports: N307DL, cancelled Dec 21, 2007

A list on [N307DL, cancelled Dec 21, 2007](https://openairdocs.org/deregistered/N307DL-2007-12-21.md).

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

- [SDR DL73S040888](https://openairdocs.org/sdr/DL73S040888.md): Relay · inoperative · Sep 17, 2004 · N307DL · Boeing 737232 · Fuel System Wiring
  > BOTH AFT FUEL PUMP CBS POPPED. REPLACED R-19 RELAY.
- [SDR DL73S040314](https://openairdocs.org/sdr/DL73S040314.md): Engine · malfunctioned · Apr 5, 2004 · N307DL · Boeing 737232 · Engine (Turbine/Turboprop)
  > ABORTED T/O DCA DUE TO NR 2 ENG EPR HUNG AT 1.6, N1, N2, EGT, FF LOWER THAN NR 1. CLEARED RUNWAY, RAN ENG TO FULL POWER OK. SUSPECT CROSSWIND FOR THE LEFT AFFECTED NR 2. DID STATIC RUNUP PRIOR TO 2ND T/O, NR 2 SLOWER TO ACCEL TO T/O THAN NR 1, BUT DID REACH
- [SDR DL73S030924](https://openairdocs.org/sdr/DL73S030924.md): Skin · cracked · Oct 10, 2003 · N307DL · Boeing 737232 · Fuselage Main, Plate/Skin
  > A TYPICAL CRACK WAS FOUND IN THE LOWER FORWARD CORNER OF THE L2 DOOR CUTOUT THROUGH THE SKIN, BONDED DOUBLER, AND UNDERLYING BEAR STRAP. THE CRACK WAS REMOVED WITH A 1 X 2 INCH CUTOUT THROUGH THE STACK-UP. THE CUTOUT WAS REPAIRED WITH 3 EXTERNAL ALUMINUM REP
- [SDR DL73S030923](https://openairdocs.org/sdr/DL73S030923.md): Skin · cracked · Oct 10, 2003 · N307DL · Boeing 737232 · Fuselage Main, Plate/Skin
  > A 2 INCH CRACK WAS FOUND IN THE FUSELAGE SKIN JUST BELOW STRINGER 19R AT FS 765. THE CRACK WAS REMOVED WITH A CUTOUT AND REPAIRED WITH AN EXTERNAL ALUMINUM REPAIR DOUBLER PER ER/A 087498-14.
- [SDR DL73S030488](https://openairdocs.org/sdr/DL73S030488.md): Bulb · malfunctioned · May 23, 2003 · N307DL · Boeing 737232 · Engine Oil Temperature
  > NR 1 OIL TEMP ERRATIC FLUX PLUS OR MINUS 10 DEGREES UPPER GREEN BAND, THEN WENT INTO YELLOW BAND. ALL AREAS PLUS OR MINUS 10 DEGREES. FLUX STAYED IN YELLOW UP TO 15 MINUTES. PRECAUTIONARY SHUTDOWN PER POM. REPLACED OIL TEMP BULB.
- [SDR DL73K030161](https://openairdocs.org/sdr/DL73K030161.md): Skin · cracked · Feb 15, 2003 · N307DL · Boeing 737232 · Wing, Plate/Skin
  > THE UPPER SKIN OF THE LT WING WAS FOUND WITH A 2.5 INCH CRACK AT WBL 170 RUNNING FWD FROM THE AFT EDGE OF THE SKIN NEAR THE REAR SPAR. THE CRACK WAS REMOVED WITH A 3 INCH BY 2 INCH CUTOUT IN THE SKIN. THE CUTOUT WAS REPAIRED WITH 2 ALUMINUM REPAIR DOUBLERS P
- [SDR DL73K021469](https://openairdocs.org/sdr/DL73K021469.md): Packing · damaged · Dec 25, 2002 · N307DL · Boeing 737232 · Engine Oil Distribution (Airframe Furnished)
  > NR 2 ENG SHUTDOWN INFLIGHT. OIL QTY DROPPED TO 0, ENG S/D FOR APPROX 10 MIN IN FLIGHT WITH 5 PSI OIL PRESS T/A MDS. FOUND DAMAGED PACKING ON OIL PRESSURE SW. REPLACED SAME. CHECKED AND REPLACED OIL STRAINER. CHIP DET CHECKED GOOD. SERVICED ENG, RAN, NO L
- [SDR DL73K021437](https://openairdocs.org/sdr/DL73K021437.md): Power Supply · discharged · Dec 13, 2002 · N307DL · Boeing 737232 · Emergency Lighting
  > EMER LIGHTS INOP ROWS 17-20 AND AFT GALLEY. REPLACED POWER SUPPLY M9222. LIGHTS NOW CHECK GOOD.
- [SDR DL73K020796](https://openairdocs.org/sdr/DL73K020796.md): Coalescer Bag · dirty · Jul 12, 2002 · N307DL · Boeing 737232 · Humidity Control System
  > ON PUSHBACK AND ENGINE START, F/A'S SMELLED SMOKE IN AFT GALLEY AREA. RETURNED TO GATE FOR MTC. INSPECTED AFT GALLEY, LT & RT A/C BAYS, LT & RT ENGINES, AFT LAV SMOKE DETECTOR. REPLACED RT A/C COALESCER BAG, RAN ENGINES AND PACKS, NO SMELL OR SMOKE NOTED.
- [SDR DL73K020268](https://openairdocs.org/sdr/DL73K020268.md): Flashlight · inoperative · Mar 7, 2002 · N307DL · Boeing 737232 · Emergency Equipment
  > IR - FWD EMERGENCY FLASHLIGHT INOP. REPLACED FWD ATT EMERGENCY FLASHLIGHT.
- [SDR DL73K011784](https://openairdocs.org/sdr/DL73K011784.md): Stringer · delaminated · Nov 2, 2001 · N307DL · Boeing 737232 · Horizontal Stabilizer, Spar/Rib
  > LT AND RT HORIZONTAL STABILIZER UPPER SKIN PANEL STRINGER DELAMINATION. REPAIRED PER ERA 410394-14.
- [SDR DL73K011492](https://openairdocs.org/sdr/DL73K011492.md): Skin · cracked · Sep 6, 2001 · N307DL · Boeing 737232 · Fuselage Main, Plate/Skin
  > THE FUSELAGE SKIN AND BEAR STRAP OF THE R2 DOOR WERE FOUND CRACKED AT THE LOWER HINGE CUTOUT. THE DAMAGE WAS REPAIRED PER SRM 53-30-3, FIG. 45 AT HMV.
- [SDR DL73K010638](https://openairdocs.org/sdr/DL73K010638.md): Floorbeam · cracked · Apr 18, 2001 · N307DL · Boeing 737232 · Fuselage Main, Floor Beam
  > THE BL 0 LONGITUDINAL FLOORBEAM OVER THE CENTER WING WAS FOUND WITH A CRACK IN THE UPPER CHORD AND WEB AT FS 660 AND WITH 4 CRACKS IN THE WEB AT UPPER CHORD ATTACH POINTS AT FS 700. THE CRACKING IS TYPICAL OF BAC S/B 737-57-1210. THE FLOORBEAM WAS REPAIRED
- [SDR DL73K002102](https://openairdocs.org/sdr/DL73K002102.md): Oxygen Mask · leaking · Oct 24, 2000 · N307DL · Boeing 737232 · Crew Oxygen System
  > F/O O2 MASK FAILED, CAUSING TOTAL DEPLETION OF CREW 02 SYSTEM. REPLACED F/O O2 MASK AND CREW OXYGEN BOTTLE.
- [SDR DL73K001522](https://openairdocs.org/sdr/DL73K001522.md): Light · failed · Aug 11, 2000 · N307DL · Boeing 737232 · Emergency Lighting
  > EEPLS SYSTEM HAS LIGHTS OUT AT E-1 DOOR LOWER EXIT SIGN AND AT SEAT 3DEF. RELAMPED.
- [SDR DL73K000810](https://openairdocs.org/sdr/DL73K000810.md): Battery Pack · inoperative · Apr 25, 2000 · N307DL · Boeing 737232 · Emergency Lighting
  > L1 DOOR SLIDE LIGHT DIM DURING TEST. REMOVED AND REPLACED L1 SLIDE LIGHT BATTERY PACK AND RACK, OPS CKS OK.
- [SDR DL73K000794](https://openairdocs.org/sdr/DL73K000794.md): Support Fitting · corroded · Apr 21, 2000 · N307DL · Boeing 737232 · Fuselage, Landing Gear Attach Fittings
  > THE LUG BORE OF THE RT MLG SIDE STRUT SUPPORT FITTING AT FS 685 WAS FOUND CORRODED. THE CORROSION WAS REMOVED BY OVERSIZING THE BORE HOLE. A STEEL BUSHING WAS INSTALLED TO RESTORE THE BORE DIA TO THE BLUEPRINT DIAMETER. THE REPAIR WAS ACCOMPLISHED PER
- [SDR DL73K991937](https://openairdocs.org/sdr/DL73K991937.md): Bulkhead Web · cracked · Aug 29, 1999 · N307DL · Boeing 737232 · Fuselage Main, Bulkhead
  > THE FS 178 BULKHEAD WEB WAS FOUND WITH A.75 CRACK AT LBL 6.7 WL 208 AND ANOTHER.75 CRACK AT BL 0 WL 190. THERE WAS AN EXISTING DOUBLER REPAIR INSTALLED TO REPAIR OTHER PREVIOUS CRACK CUTOUTS. THE EXISTING DOUBLER WAS REMOVED, THE WEB INSPECTED, THE NEW CR
- [SDR DL73K990170](https://openairdocs.org/sdr/DL73K990170.md): Skin · cracked · Jan 26, 1999 · N307DL · Boeing 737232 · Fuselage Main, Plate/Skin
  > THE AFT ENTRY DOOR CUTOUT WAS FOUND WITH A.25 INCH LONG TYPICAL CRACK IN THE LOWER DOOR HINGE CUTOUT. THE CRACK WAS IN THE SKIN AND BONDED DOUBLER ONLY. THE DAMAGED SKIN ASSY WAS CUT AWAY AND REPAIRED WITH AND EXTERNAL ALUMINUM DOUBLER AND STEEL TRIPLER PER
- [SDR DL73K971629](https://openairdocs.org/sdr/DL73K971629.md): Angle · corroded · Aug 18, 1997 · N307DL · Boeing 737232 · Fuselage Miscellaneous Structure
  > AT MIDVISIT THE LT Z ANGLE WAS FOUND TO BE CORRODED STA 300-344 LOC AT L-1 THRESHOLD AREA. THE CORROSION WAS REMOVED PER SRM 51-10-6 CKED WITHIN LIMITS PER ERA 330221-14 TREATED AND PAINTED PER PS 900-2 NR 5 REPAIRED STA 312-344 PER MM 53-21-0 FIG 801.
- [SDR DL73K971628](https://openairdocs.org/sdr/DL73K971628.md): Angle · corroded · Aug 18, 1997 · N307DL · Boeing 737232 · Fuselage Miscellaneous Structure
  > FOUND DURING MID-VISIT LT Z ANGLE CORRODED STA 300-344 LOC AT L-1 THRESHOLD AREA. REMOVED CORROSION STA 300 TO 312 PER SRM 51-10-6. CHECKS WITHIN LIMITS PER ERA 330221-14 TREATED AND PAINTED PER PS900-2 NR 5. REPAIRED STA 312-344 PER M/M 53-21-0 FIG 801.
- [SDR DL73K970582](https://openairdocs.org/sdr/DL73K970582.md): Fan · failed · Mar 30, 1997 · N307DL · Boeing 737232 · Air Distribution Fan
  > AIRBORNE RTN DUE TO SMOKE IN CABIN ON T/O. FOUND GASPER FAN C/B POPPED AND GASPER FAN SEIZED.
- [SDR DL73K970131](https://openairdocs.org/sdr/DL73K970131.md): Circuit Breaker · tripped · Jan 22, 1997 · N307DL · Boeing 737232 · AC Power Distribution System
  > DURING CRUISE, CAPTS INSTRUMENTS YAW DAMPER AND MOST CONTROL AND NAV INST LOSS ELECTRIC POWER. STANDBY POWER DID NOT RESTORE CAPTS INSTRUMENTS. APU WOULD NOT START, F/O INSTRUMENTS WORKED. VOLTS AND FREQS NORMAL BOTH GENERATORS. REPLACED NR 1 TRANSFER CIRC
- [SDR DL73S961275](https://openairdocs.org/sdr/DL73S961275.md): Seal · missing · May 26, 1996 · N307DL · Boeing 737232 · Spoilers
  > SEVERAL PAX REPORTED SOMETHING COMING OFF LT WING WHEN SPOILERS WERE DEPLOYED DURING DESCENT. FOUND NR 2 SPOILER OTBD SEAL MISSING. REPLACED SEAL.
- [SDR DL73S961082](https://openairdocs.org/sdr/DL73S961082.md): Oil Press Ind · inop · May 6, 1996 · N307DL · Boeing 737232 · Engine Oil Pressure
  > ON T/O, NR 2 ENGINE OIL PRESSURE WENT TO 58 PSI INITIALLY ENG RETARDED TO IDLE AND OIL PRESS REMAINED OUT OF LIMITS. ALL OTHER INDICATIONS NORMAL EVENTUALLY NR 2 OIL PRESS RETURNED TO NORMAL WITH ENGINE AT REDUCED THRUST OIL TEMP SLIGHTLY LOWER THAN NR 1. RE
- [SDR DL73S954655](https://openairdocs.org/sdr/DL73S954655.md): Slide · low pressure · Dec 8, 1995 · N307DL · Boeing 737232 · Escape Slide
  > L1 DOOR SLIDE PRESSURE LOW PILOT REPORT. REPLACED DOOR SLIDE.
- [SDR DL73S953594](https://openairdocs.org/sdr/DL73S953594.md): Eel Power Supply · inop · Sep 4, 1995 · N307DL · Boeing 737232 · Emergency Lighting
  > DURING LAYOVER, L-1 DOOR EXTERIOR EMERGENCY LIGHT INOP. REPLACED POWER SUPPLY AND BATTERY 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 = 'N307DL' AND deregistration_id = 'N307DL-2007-12-21'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N307DL-2007-12-21/reports

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