# Service difficulty reports: N7644U, cancelled Jun 15, 2017

A list on [N7644U, cancelled Jun 15, 2017](https://openairdocs.org/deregistered/N7644U-2017-06-15.md).

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

- [SDR C7WA200500126](https://openairdocs.org/sdr/C7WA200500126.md): Sequence Valve · intermittent · Dec 30, 2005 · N7644U · Boeing 727222 · Landing Gear Retraction/Extension System
  > DURING APPROACH, RT MLG AND NOSE GEAR INDICATION SHOWED UNSAFE. ON SECOND ATTEMPT GEARS CAME DOWN NORMALLY. ON GEAR OPERATIONAL CHECK RT MLG FAILED TO EXTEND, NOSE GEAR OPERATION NORMAL. REMOVED AND REPLACED RT MLG DOOR SEQUENCE VALVE. SYSTEM OPERATIONAL C
- [SDR C7WA2004000BB](https://openairdocs.org/sdr/C7WA2004000BB.md): Accessory Unit · inoperative · Aug 31, 2004 · N7644U · Boeing 727222 · Landing Gear Position and Warning
  > RED LT GEAR, RT GEAR, NOSE GEAR AND AMBER TAIL SKID LIGHTS ON PILOTS FRONT PANEL REMAINED ILLUMINATED AFTER GEAR HANDLE WAS RAISED ON TAKEOFF. FLIGHT ENGINEERS ANNUNCIATOR LIGHTS REMAINED OUT. REMOVED AND REPLACED LANDING GEAR ACCESSORY BOX IAW MM. OPS CHEC
- [SDR 2004F00034](https://openairdocs.org/sdr/2004F00034.md): Helicoil · damaged · Nov 5, 2003 · N7644U · Boeing 727222 · Turbine Engine Oil System
  > DURING CRUISE, ENGINE NR 3 LOST ALL OIL PRESSURE AND ALL OIL QUANTITY. PERFORMED NR 3 ENGINE INFLIGHT SHUTDOWN CHECKLIST. DIVERTED TO STL. EMERGENCY DECLARED. AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. REMOVED AND REPLACED HELICOIL AT OIL FILTER BYPASS UNI
- [SDR RYN2004F00024](https://openairdocs.org/sdr/RYN2004F00024.md): Flap · maladjustment · Sep 3, 2003 · N7644U · Boeing 727222 · Trailing Edge Flaps
  > AFTER TAKEOFF, ACCELRATED TO 300 KNOTS. CREW EXPERIENCED MODERATE VIBRATION. AIRCRAFT RETURNED TO DEPARTURE AIRPORT. ADJUSTED LT AND RT AFT FLAPS. REMOVED AND REPLACED AILERON HINGE SUPPORT FITTING.
- [SDR RYN2004F00023](https://openairdocs.org/sdr/RYN2004F00023.md): Smoke Detector · false activation · Sep 3, 2003 · N7644U · Boeing 727222 · Smoke Detection
  > AC DEPARTED, ENROUTE, MAIN CARGO COMPARTMENT SMOKE DETECTOR LIGHT ILLUMINATED. AC DIVERTED WITHOUT INCIDENT. INSPECTED AC FOR EVIDENCE OF BURNED WIRES AND FLUIDS. NO EVIDENCE FOUND. INSPECTED CARGO SMOKE DETECTORS AND PERFORMED FUNCTIONAL TEST OF CARGO SMO
- [SDR 2002F01042](https://openairdocs.org/sdr/2002F01042.md): Stringer Clip · cracked · Sep 14, 2002 · N7644U · Boeing 727222 · Fuselage Miscellaneous Structure
  > AT C-CHECK, FOUND FUSELAGE UPPER LOBE STRINGER SHEAR CLIP, BS 950B STRINGER 9L, CRACKED. (M)
- [SDR 2002F01041](https://openairdocs.org/sdr/2002F01041.md): Shear Tie · cracked · Sep 14, 2002 · N7644U · Boeing 727222 · Fuselage Main, Structure
  > AT C-CHECK, FOUND CABIN SHEAR TIE CLIP CRACKED AT BS 970 STRINGER 4R. (M)
- [SDR 2002F01040](https://openairdocs.org/sdr/2002F01040.md): Doubler · cracked · Sep 14, 2002 · N7644U · Boeing 727222 · Fuselage Miscellaneous Structure
  > AT C-CHECK, FOUND PREVIOUS REPAIR WITH SEVERAL CRACKS AT MAIN CARGO, STATION 400-420 BL 0.0. (M)
- [SDR 2002F01032](https://openairdocs.org/sdr/2002F01032.md): Attach Fitting · cracked · Sep 13, 2002 · N7644U · Boeing 727222 · Fuselage, Landing Gear Attach Fittings
  > AT C-CHECK, FOUND RIGHT LANDING GEAR SUPPORT BEAM OUTBOARD ATTACH FITTING CRACKED. (M)
- [SDR 2002F01031](https://openairdocs.org/sdr/2002F01031.md): Skin · damaged · Sep 13, 2002 · N7644U · Boeing 727222 · Horizontal Stabilizer, Plate/Skin
  > AT C-CHECK, FOUND LEFT HORIZONTAL STABILIZER LOWER SKIN HAD 1 DENT WITH CREASE AND 1 DENT WITH CHERRY MAX RIVET IN CENTER OF DENT AT STABILIZER STATION 4 AND APPROXIMATELY 10 INCHES FORWARD AT STATION 14 IS 2 CREASES WITH A DENT AT DRAIN HOLE. (M)
- [SDR 2002F01039](https://openairdocs.org/sdr/2002F01039.md): Fitting · cracked · Sep 11, 2002 · N7644U · Boeing 727222 · Fuselage Miscellaneous Structure
  > AT C-CHECK, FOUND CRACK IN TIE FITTING, INTERIOR STRUCTURE OF FUSELAGE, UPPER LOBE, FS 950F STRINGER 4L. (M)
- [SDR 2002F01038](https://openairdocs.org/sdr/2002F01038.md): Fitting · cracked · Sep 11, 2002 · N7644U · Boeing 727222 · Fuselage Miscellaneous Structure
  > AT C-CHECK, FOUND CRACKS IN TIE FITTING, INTERIOR STRUCTURE OF FUSELAGE, UPPER LOBE, FS 1050 STRINGER 4L. (M)
- [SDR 2002F01037](https://openairdocs.org/sdr/2002F01037.md): Fitting · cracked · Sep 11, 2002 · N7644U · Boeing 727222 · Fuselage Miscellaneous Structure
  > AT C-CHECK, FOUND CRACK IN TIE FITTING, INTERIOR STRUCTURE OF FUSELAGE, UPPER LOBE, FS 1070 STRINGER 4L. (M)
- [SDR 2002F01036](https://openairdocs.org/sdr/2002F01036.md): Fitting · cracked · Sep 11, 2002 · N7644U · Boeing 727222 · Fuselage Miscellaneous Structure
  > AT C-CHECK, FOUND CRACK IN TIE FITTING, INTERIOR STRUCTURE OF FUSELAGE, UPPER LOBE, FS 950F STRINGER 4R. (M)
- [SDR 2002F01035](https://openairdocs.org/sdr/2002F01035.md): Fitting · cracked · Sep 11, 2002 · N7644U · Boeing 727222 · Fuselage Miscellaneous Structure
  > AT C-CHECK, FOUND CRACK IN TIE FITTING, INTERIOR STRUCTURE OF FUSELAGE, UPPER LOBE, FS 950E, STRINGER 4L. (M)
- [SDR 2002F01034](https://openairdocs.org/sdr/2002F01034.md): Fitting · cracked · Sep 11, 2002 · N7644U · Boeing 727222 · Fuselage Miscellaneous Structure
  > AT C-CHECK, FOUND CRACKS IN TIE FITTING, INTERIOR STRUCTURE OF FUSELAGE, UPPER LOBE, FS 950E STRINGER 4R. (M)
- [SDR 2002F01033](https://openairdocs.org/sdr/2002F01033.md): Fitting · cracked · Sep 11, 2002 · N7644U · Boeing 727222 · Fuselage Miscellaneous Structure
  > AT C-CHECK, FOUND CRACK IN TIE FITTING, INTERIOR STRUCTURE OF FUSELAGE, UPPER LOBE, FS 950 STRINGER 4R. (M)
- [SDR 2002F00870](https://openairdocs.org/sdr/2002F00870.md): Angle · cracked · Jun 1, 2002 · N7644U · Boeing 727222 · Fuselage Miscellaneous Structure
  > AT B-CHECK, DURING INSPECTION OF LOWER SILL BEAM, FOUND CRACK IN SUPPORT ANGLE EXTENDING FROM BOTTOM FASTENER HOLE, AT STATION 680. (M)
- [SDR 20001212AP001](https://openairdocs.org/sdr/20001212AP001.md): Smoke Detector · damaged · Aug 16, 2000 · N7644U · Boeing 727222 · Smoke Detection
  > FLT 737 - BOS - RED LIGHT ILLUMINATED ON CARGO SMOKE DETECTION SYSTEM WITHOUT TESTING. NO SMOKE DETECTED BY SIGHT OR SMELL. FOUND METAL LINE ON FORWARD NR 1 SMOKE DETECTOR KINKED. REMOVED AND REPLACED FORWARD NR 1 SMOKE DETECTOR. (M)
- [SDR 20001129AP007](https://openairdocs.org/sdr/20001129AP007.md): Smoke Detector · will not test · Aug 5, 2000 · N7644U · Boeing 727222 · Smoke Detection
  > FLT 734 - IND - NR 1 SMOKE DETECTOR WOULD NOT TEST. REPLACED NR 1 SMOKE DETECTOR. (M)
- [SDR 20000424AP043](https://openairdocs.org/sdr/20000424AP043.md): Terminal · failed · Nov 19, 1999 · N7644U · Boeing 727222 · Fuel Boost Pump
  > FLT 216 - CVG - ON CLIMB-OUT FROM DAY, SMELLED ELECTRICAL SMOKE IN COCKPIT, AND SAW SLIGHT WHISP OF SMOKE FORM BEHIND LEFT OF FLIGHT ENGINEER PANEL. LANDED IN CVG. SMOKE SEEMED TO DISSIPATE PRIOR TO LANDING. FOUND SHORTED RING TERMINAL AT NR 2 FORWARD RIGHT

## 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 = 'N7644U' AND deregistration_id = 'N7644U-2017-06-15'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N7644U-2017-06-15/reports

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