# Service difficulty reports: N637DL, cancelled Jun 23, 2014

A list on [N637DL, cancelled Jun 23, 2014](https://openairdocs.org/deregistered/N637DL-2014-06-23.md).

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

- [SDR DALA1152230637](https://openairdocs.org/sdr/DALA1152230637.md): Wire · disconnected · Sep 6, 2011 · N637DL · Boeing 757232 · Light System Wiring
  > DURING A LAYOVER CHECK, MAINTENANCE FOUND A BROKEN EMERGENCY PATH LIGHT WIRE AT SEAT 4CD. MAINTENANCE RECONNECTED THE WIRE. OPERATIONAL CHECK WAS GOOD.
- [SDR DALA1122650637](https://openairdocs.org/sdr/DALA1122650637.md): Skin · cracked · Mar 26, 2011 · N637DL · Boeing 757232 · Fuselage Main, Plate/Skin
  > ON ARRIVAL IN MSP, FOUND DAMAGE TO FUSELAGE SKIN AT AFT CARGO DOOR CUTOUT AFT FRAME. SEAL RETAINER ALSO HAD SLIGHT DEFORMATION. SKIN AND INNER DOUBLER STRAP BOTH DAMAGED. BOTH LAYERS OF MATERIAL TRIMMED OUT AND A DOUBLER/TRIPLER REPAIR INSTALLED PER ERA 491
- [SDR DL757100850](https://openairdocs.org/sdr/DL757100850.md): Light · inoperative · Apr 4, 2010 · N637DL · Boeing 757232 · Emergency Lighting
  > EMERGENCY EGRESS AISLE LIGHTING INOP AT ROW 19. REPLACED LIGHT ASSY AND LENS AT ROW 19. CHECKS OK.
- [SDR DL757100298](https://openairdocs.org/sdr/DL757100298.md): Outflow Valve · malfunctioned · Feb 8, 2010 · N637DL · Boeing 757232 · Pressure Regulator/Outflow Valve
  > AT FL340 HAD CABIN ALT WARNING. CABIN WAS AT 11000 WITH 500FT MIN CLIMB. BOTH PACKS WERE ON AND NO ABNORMAL IND EXCEPT THE OUTFLOW VALVE SHOWED OPEN 3/4. PASS 02 MASKS DEPLOYED IAW "CABIN ALT" WARN PROCEDURE.
- [SDR DU4R2007116](https://openairdocs.org/sdr/DU4R2007116.md): Skin · corroded · Apr 27, 2007 · N637DL · Boeing 757232 · Fuselage Main, Plate/Skin
  > FOUND CORRODED SKIN AT BS 1845 BS 1850 LBL 24 (EMPENNAGE INTERNAL). REPAIRED BY TRIMMING OUT CORRODED AREA, HFEC INSPECTED NO CRACKING NOTED. FABRICATING AND INSTALLING PERMANENT REPAIR DOUBLER 9.5 BY 10.0 FROM 7075-T6.063 AND FILLER FROM 7075-T6.071 CLAD
- [SDR DU4R2007115](https://openairdocs.org/sdr/DU4R2007115.md): Stringer · corroded · Apr 27, 2007 · N637DL · Boeing 757232 · Fuselage Main, Longeron/Stringer
  > FOUND CORRODED STRINGER 25L AT BS 1850 (EMPENNAGE INTERNAL). REPAIRED BY REMOVING SHEAR TIE AND SECTION OF STRINGER. FABRICATED AND INSTALLED STRINGER 25.0 FROM BAC 1498-132 AND SPLICE 10.0 FROM BAC1498-144 IAW B757 SRM 53-00-03 FIG 201, 51-20-01 AND 51-40-0
- [SDR DL757070372](https://openairdocs.org/sdr/DL757070372.md): Skin · corroded · Apr 27, 2007 · N637DL · Boeing 757232 · Fuselage Main, Plate/Skin
  > DURING CURRENT HMV, CORROSION WAS FOUND ON THE INTERIOR SKIN PANEL JUST BELOW THE S-25L LAP FROM BODY STATION 1851 TO 1854 LEFT. THE DAMAGE WAS OUTSIDE OF THE SRM LIMITS. THE DAMAGE WAS TRIMMED OUT AND A BOEING APPROVED REPAIR WAS INSTALLED PER 460838-14.
- [SDR DU4R2007112](https://openairdocs.org/sdr/DU4R2007112.md): Skin · gouged · Apr 25, 2007 · N637DL · Boeing 757232 · Fuselage Main, Plate/Skin
  > FOUND AFT CARGO DOOR EXT SKIN BS 1390 S-26 - S-27R GOUGED. REPAIRED BY FABRICATING AND INSTALLING REPAIR DOUBLER 5-1/2" BY 16-7/8 FROM 2024-T3.071 IAW B757 SRM 51-20-01, 51-41-00-352-013.
- [SDR DU4R2007110](https://openairdocs.org/sdr/DU4R2007110.md): Skin · damaged · Apr 25, 2007 · N637DL · Boeing 757232 · Fuselage Main, Plate/Skin
  > FOUND 2 LIGHTNING STRIKES BETWEEN BS 560 - BS 580 AND S-2R S-3R. REPAIRED BY CUTTING OUT LIGHTNING STRIKE AREA. HFEC CUT OUT IAW D6-34N301-6-51-00-19, NO RELEVANT INDICATIONS NOTED. FABRICATED AND INSTALLED REPAIR DOUBLER 10-3/8 BY 10-3/8 FROM 2024-T3.063
- [SDR DU4R2007113](https://openairdocs.org/sdr/DU4R2007113.md): Skin · dented · Apr 24, 2007 · N637DL · Boeing 757232 · Fuselage Main, Plate/Skin
  > FOUND FUSELAGE SKIN DENTED AT BS 510 S-28R - S-29R GOUGED. DENT RATIO A/Y =.020 TOO CLOSE TO FRAME. CUT OUT DENT IAW B757 SRM 53-00-01 FIG 201. HFEC CUT OUT IAW B757 NDT PT. 6, 51-00-19, NO RELEVANT INDICATIONS NOTED. FABRICATED AND INSTALLED DOUBLER 6.8"
- [SDR DU4R2007111](https://openairdocs.org/sdr/DU4R2007111.md): Skin · damaged · Apr 23, 2007 · N637DL · Boeing 757232 · Fuselage Main, Plate/Skin
  > FOUND 2 LIGHTNING STRIKES BETWEEN BS 660 - BS 680 AND S-4R – S-6R. REPAIRED BY CUTTING OUT.750" CIRCLE AT LIGHTNING STRIKE AREA. HFEC CUT OUT IAW D6-34N301-6-51-00-19, NO RELEVANT INDICATIONS NOTED. FABRICATED AND INSTALLED REPAIR DOUBLER 5.5" BY 5.5 FROM
- [SDR DU4R2007119](https://openairdocs.org/sdr/DU4R2007119.md): Trunnion · corroded · Apr 21, 2007 · N637DL · Boeing 757232 · Fuselage, Landing Gear Attach Fittings
  > FOUND CORRODED RT MLG AFT TRUNNION BEARING AND HOUSING. REPAIRED BY REMOVING AND REPLACING TRUNNION BEARING AND HOUSING WITH P/N NR S113N103-05 S/N K05639 IAW B757 MM 57-54-07.
- [SDR DU4R2007118](https://openairdocs.org/sdr/DU4R2007118.md): Crease Beam · corroded · Apr 21, 2007 · N637DL · Boeing 757232 · Fuselage Main, Structure
  > FOUND CORRODED CREASE BEAM ANGLE AT BS 1180 TO BS 1200 LT. REPAIRED BY REMOVING CREASE BEAM, FABRICATED, HEAT TREATED AND INSTALLED REPAIR BEAM 2 BY 2 BY 22 FROM 60-11925 EXTRUSION P/N T827537-1 BOEING DWG.146N5600 IAW B737 SRM 51-40-02, 51-40-05 AND 51-20-01
- [SDR DU4R2007114](https://openairdocs.org/sdr/DU4R2007114.md): Skin · damaged · Apr 19, 2007 · N637DL · Boeing 757232 · Fuselage Main, Plate/Skin
  > FOUND LIGHTNING STRIKE BETWEEN BS 440 AND BS 460 S-1R. REPAIRED BY CUTTING OUT STRIKE AREA. FABRICATED AND INSTALLED REPAIR DOUBLER 14.40 BY 7.40 FROM 2024-T3.063 IAW B757 SRM 53-00-01 FIG 201.
- [SDR DL757070332](https://openairdocs.org/sdr/DL757070332.md): Bulkhead · tool damage · Apr 17, 2007 · N637DL · Boeing 757232 · Nacelle/Pylon, Bulkhead/Firewall
  > DURING ACCOMPLISHMENT OF EA 06-070332-03AD (SIP MOD), A HOLE WAS DAMAGED BY A BROKEN DRILL BIT ON THE NR 1 PYLON AFT BULKHEAD. THE DAMAGE REQUIRED THE HOLE TO BE OVERSIZED TO 0.640 AND OVERSIZED FASTENER INSTALLED PER BOEING APPROVAL, AS DETAILED IN ERA 46083
- [SDR DU4R2007086](https://openairdocs.org/sdr/DU4R2007086.md): Frame · chafed · Apr 10, 2007 · N637DL · Boeing 757232 · Fuselage Main, Frame
  > FOUND BENT AND CHAFED FRAME IN AFT PIT BS 1600 S-25R - S-26R. REPAIRED BY BLENDING, CUTTING OUT DENTED AREA. FABRICATED AND INSTALLED DOUBLER REPAIR 14-1/2 BY 2 FROM 2024-T3.063 B757 SRM 53-00-07 FIG 201.
- [SDR DU4R2007117](https://openairdocs.org/sdr/DU4R2007117.md): Floorbeam · corroded · Apr 7, 2007 · N637DL · Boeing 757232 · Fuselage Main, Floor Beam
  > FOUND CORROSION ON FLOORBEAM UPPER TEE CAP AT BS 377 AND LBL 19. REPAIRED BY CUTTING OUT CORRODED AREA, FABRICATED AND INSTALLED REPAIR TEE CAP 13 BY 2 BY 2 BY 2-1/2 FROM BAC1505-100617, REPAIR L-ANGLE 11 BY ½ BY 2 FROM BAC 1490-6199 7075-T6.063 AND 13 BY
- [SDR DL757060986](https://openairdocs.org/sdr/DL757060986.md): Selector Valve · bypassing · Nov 27, 2006 · N637DL · Boeing 757232 · Landing Gear Retraction/Extension System
  > MULTIPLE LEFT HYDRAULIC SYSTEM MALFUNCTIONS. NOSE GEAR NOT EXTENDING IN NORMAL MODE. ALT OK. LEFT HYDRAULIC SYSTEM OVERHEAT INDICATION ALSO. FOUND LANDING GEAR SELECTOR VLV BYPASSING. ALSO, ACMP AND EDPCASE RETURN FILTERS WITH DEBRIS. REPLACED ACMP, EDP
- [SDR DL757030857](https://openairdocs.org/sdr/DL757030857.md): Girt Bar · unsecure · Sep 20, 2003 · N637DL · Boeing 757232 · Escape Slide
  > ACFT PARKED AT GATE AND JUST PRIOR TO DEPARTURE FLT ATT CLOSED 3L CABIN DOOR AND NOTICED THAT THE GIRT BAR APPEARED ABNORMAL. MTC SECURED GIRT BAR ATTACH BRACKETS TO SLIDE ASSY AS PER MM.
- [SDR DL757030496](https://openairdocs.org/sdr/DL757030496.md): Antenna · malfunctioned · May 28, 2003 · N637DL · Boeing 757232 · Independent Position Determining System
  > RADAR INDICATOR PAINTS AND TESTS ONLY 30 DEG LEFT OF CENTER /C TRY INDICATOR AND T/R NO HELP. REPLACED ANTENNA, OPS CHECKS GOOD.
- [SDR DL757020888](https://openairdocs.org/sdr/DL757020888.md): Relay · failed · Jul 29, 2002 · N637DL · Boeing 757232 · Landing Gear Retraction/Extension System
  > WHILE PERFORMING 757 ACJIC 6017 GEAR DOORS FAILED TO OPERATE AS REQUIRED. TROUBLESHOOTING REVEALED POWERPACK MOTOR HAD BAD INTERNAL WINDING DUE TO CONSTANT VOLTAGE APPLICATION. RELAY K10369 AND POWERPACK ASSY WERE CHANGED AND TESTED PER 757ACJIC OP 6017 WITH
- [SDR DL757020065](https://openairdocs.org/sdr/DL757020065.md): Light · inoperative · Jan 18, 2002 · N637DL · Boeing 757232 · Emergency Lighting
  > FOUND ON WALK AROUND, LEFT FWD AND AFT OVERWING EXTERIOR EMERGENCY EXIT LIGHTS INOP.
- [SDR DL757010713](https://openairdocs.org/sdr/DL757010713.md): Skin · damaged · May 3, 2001 · N637DL · Boeing 757232 · Fuselage Main, Plate/Skin
  > WHILE ACCOMPLISHING A DOUBLER MODIFICATION TO THE SKIN CUTOUT FOR THE LOWER AFT VHF ANTENNA AT FS 1473 & RBL 3.2, AN EXISTING REPAIR DOUBLER WAS FOUND. THE EXISTING REPAIR WAS REMOVED AN THE ANTENNA CUTOUT INCREASED TO REMOVE THE PREVIOUS REPAIR FASTENER
- [SDR DL757010712](https://openairdocs.org/sdr/DL757010712.md): Skin · gouged · May 3, 2001 · N637DL · Boeing 757232 · Fuselage Main, Plate/Skin
  > THE FUSELAGE SKIN WAS FOUND WITH A DEEP GOUGE AT THE SKIN BUTT JOINT AT FS 780 NEAR STRINGER 18L. THE GOUGE WAS REMOVED WITH A 3.5 X 1 INCH CUTOUT. THE CUTOUT WAS REPAIRED WITH AN EXTERNAL ALUMINUM DOUBLER PER ER/A 380515-14, REV A.
- [SDR DL757992716](https://openairdocs.org/sdr/DL757992716.md): Switch · failed · Dec 11, 1999 · N637DL · Boeing 757232 · Landing Gear Retraction/Extension System
  > INBOUND PILOT REPORT, GEAR FAILED TO RETRACT NORMALLY AFTER T/O. GEAR HANDLE LOCKED IN THE OFF POSITION. LOCK OVERRIDE USED TO RAISE GEAR. REPLACED RT AND LT MLG TILT PRESSURE SWITCH. REPLACED THE SHUTTLE VLV. ALSO, REPLACED THE LT TILT ACT. ALL CHECKED
- [SDR DL757981785](https://openairdocs.org/sdr/DL757981785.md): Valve · failed · Aug 28, 1998 · N637DL · Boeing 757232 · Landing Gear Retraction/Extension System
  > LANDING GEAR WOULD NOT COME UP AFTER TAKEOFF. HANDLE WENT TO OFF, BUT WOULD NOT GO TO UP. GREEN GEAR LIGHTS STAYED ON. REPLACED LT MAIN GEAR TRUCK POSITIONING SHUTTLE VALVE.
- [SDR DL757980574](https://openairdocs.org/sdr/DL757980574.md): Battery Charger · inoperative · Mar 14, 1998 · N637DL · Boeing 757232 · Emergency Lighting
  > DURING L/O CHECK, FOUND LT EMERGENCY OVERWING EXIT LIGHTS OUT. ALSO, FOUND FWD EXTERIOR LIGHT FOR OFF-WING OUT. REPLACED LT CHARGER FOR BATTERY PACK M10567 LOCATED ON PSU SPACER PANEL STA 985 LBL 49.
- [SDR DL757972752](https://openairdocs.org/sdr/DL757972752.md): Skin · cracked · Dec 30, 1997 · N637DL · Boeing 757232 · Fuselage Main, Plate/Skin
  > FUSELAGE/SKIN, SECTION 46, FS 1681, AFT LWR CORNER OF R1 DOOR CUTOUT, REPAIR FOR CRACK. HFEC INSPECTION OF A PREVIOUSLY REWORKED SKIN GOUGE, NEAR THE LOWER AFT CORNER OF THE R1 DOOR CUTOUT REVEALED A SMALL CRACK IN THE SKIN EMANATING FROM A FASTENER HOLE. T
- [SDR DL757971704](https://openairdocs.org/sdr/DL757971704.md): Battery · discharged · Aug 29, 1997 · N637DL · Boeing 757232 · Emergency Lighting
  > F/C F/A INBD FLASHLIGHT LED INOP. REPLACED FLASHLIGHT BATTERY, OPS CK NORMAL.
- [SDR DL757971346](https://openairdocs.org/sdr/DL757971346.md): Skin · dented · Jun 26, 1997 · N637DL · Boeing 757232 · Leading Edge Devices
  > A SPARE NR 3 SLAT WAS DAMAGED UPON REMOVAL FROM A SHIPPING CRATE AND PRIOR TO INSTALLATION ON A/C 637. THE INB'D AFT CORNER OF THE TE WEDGE WAS DENTED. THE SLAT WAS REPAIRED PER B757 SRM 51-70-10.
- [SDR DL757960339](https://openairdocs.org/sdr/DL757960339.md): Tube · cracked · Feb 14, 1996 · N637DL · Boeing 757232 · Hydraulic System, Main
  > EN ROUTE, RECEIVED EICAS RT HYD SYS PRESS AND EICAS ADVISORY RT HYD QTY. RT HYD QTY READ.65 AND RF WAS DISPLAYED. BOTH RT SIDE PUMPS TURNED OFF IAW POM (2003Z). FOUND RT ENG HYD PRESSURE LINE (312N3100-24) IN PYLON CRACKED. REPLACED TUBE, OPERATION NORMAL
- [SDR DL757960201](https://openairdocs.org/sdr/DL757960201.md): Slat · delamination · Dec 2, 1995 · N637DL · Boeing 757232 · Leading Edge Devices
  > DURING INSPECTION OF THE NR 4 SLAT, THE TRAILING EDGE WAS FOUND DAMAGED WITH A DENT AND DELAMINATION OF THE UPPER TRAILING EDGE WEDGE SKIN, DAMAGE MEASURED 6 INCHES FORE/AFT AND 3 INCHES WIDE. ACCOMPLISHED REPAIRS PER DL ERA 302840-14 AD.
- [SDR DL757952150](https://openairdocs.org/sdr/DL757952150.md): Skin · damaged · May 16, 1995 · N637DL · Boeing 757232 · Engine Cowling System
  > FOUND DURING LETTER CHECK, NOSE COWL L/E DAMAGED AT 5 O'CLOCK POS. ALSO, SMALL HOLES IN NOSE COWL 3 O'CLOCK POS. REPAIRED PER SRM 54-11-01.

## 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 = 'N637DL' AND deregistration_id = 'N637DL-2014-06-23'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N637DL-2014-06-23/reports

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