# Service difficulty reports: N7639U, cancelled Mar 6, 2012

A list on [N7639U, cancelled Mar 6, 2012](https://openairdocs.org/deregistered/N7639U-2012-03-06.md).

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

- [SDR C7WA200600001](https://openairdocs.org/sdr/C7WA200600001.md): Seal · leaking · Feb 13, 2006 · N7639U · Boeing 727222 · Turbine Engine Oil System
  > ENGINE NR 1 LOSS OIL DURING FLIGHT. INSTALLED NEW OIL LINE DONUT SEALS ON GEARBOX OIL LINES. NO LEAKS NOTED DURING ENGINE RUNS IAW MM. (K)
- [SDR RYN76394A](https://openairdocs.org/sdr/RYN76394A.md): Skin · corroded · Oct 19, 2003 · N7639U · Boeing 727222 · Fuselage Main, Plate/Skin
  > DURING A SCHEDULED INSPECTION FOUND FUSELAGE SKIN AT STA 303 STR 17-18R, UNDER FORWARD LAV SERVICE PANEL, HAS EXFOILIATED CORROSION.
- [SDR 2004F00069](https://openairdocs.org/sdr/2004F00069.md): Switch · malfunctioned · Oct 17, 2003 · N7639U · Boeing 727222 · Autopilot System
  > DURING FLIGHT, AIRCRAFT DECLARED EMERGENCY ON DESCENT TO PHX. AUTOPILOT FAILED TO DISCONNECT. AIRCRAFT LANDED AT PHX WITHOUT FURTHER INCIDENT. CLEANED AUTOPILOT DISENGAGE SWITCH ON YOKE AND OPERATIONAL CHECK NORMAL. (M)
- [SDR RYN2004F00021](https://openairdocs.org/sdr/RYN2004F00021.md): Actuator · leaking · Jul 12, 2003 · N7639U · Boeing 727222 · Leading Edge Slat Actuator
  > AFTER TAKEOFF, DURING ASCENT TO FLIGHT LEVEL 24.0 NR 7 FLAP LED AND YELLOW LIGHTS STAYED ILLUMINATED DURING FLAP RETRACTION. IMPLEMENTED PROCEDURES IAW MM FOR TROUBLESHOOTING. MANUAL STATED TO PROCEED WITH FLIGHT IF LIGHT EXTINGUISHED. LIGHTS EXTINGUISHED.
- [SDR 2003F00469](https://openairdocs.org/sdr/2003F00469.md): Retainer · damaged · May 25, 2003 · N7639U · Boeing 727222 · Cargo/Baggage Doors
  > AT C-CHECK, FOUND C2 DOOR PRESSURE SEAL RETAINER AT TOP CENTER OF DOOR DAMAGED. REMOVED AND REPLACED C2 DOOR PRESSURE SEAL RETAINER AT TOP CENTER OF DOOR. (M)
- [SDR 2003F00470](https://openairdocs.org/sdr/2003F00470.md): Bearing · cracked · May 20, 2003 · N7639U · Boeing 727222 · Ventral Structure
  > AT C-CHECK, FOUND RIGHT FIN UPPER STABILIZER HINGE FITTING BEARING CRACKED AND BOTH RETAINERS CORRODED AT BS 1586. REMOVED AND REPLACED RIGHT STABILIZER HINGE BEARING ASSEMBLY. (M)
- [SDR 2003F00249](https://openairdocs.org/sdr/2003F00249.md): Connector · damaged · Mar 25, 2003 · N7639U · Boeing 727222 · Landing Gear System Wiring
  > DURING LANDING AT WICHITA, THE NOSE LANDING GEAR SAFE LIGHT FAILED TO ILLUMINATE WHEN GEAR WAS EXTENDED. EMERGENCY CHECKLIST PROCEDURES WERE FOLLOWED WITH A CONFIRMED VISUAL DOWN INDICATION. AIRCRAFT LANDED AT ICT WITHOUT INCIDENT. SECURED LOOSE PIN AND REL
- [SDR RYN76391A](https://openairdocs.org/sdr/RYN76391A.md): Skin · cracked · Oct 19, 2002 · N7639U · Boeing 727222 · Fuselage Main, Plate/Skin
  > DURING A SCHEDULED INSPECTION, FOUND BULGE IN SKIN AND APPROXIMATELY 2.5 INCH HORIZONTAL CRACK AT STA 1020, STRINGER 26R.
- [SDR RYN76392A](https://openairdocs.org/sdr/RYN76392A.md): Intercostal · cracked · Oct 19, 2002 · N7639U · Boeing 727222 · Fuselage Miscellaneous Structure
  > DURING A SCHEDULED INSPECTION, FOUND RT AFT FUSELAGE TAIL HAS 1 INTERCOASTAL WITH A CRACK RUNNING FROM THE UPPER AFT CORNER APPROXIMATELY 1.125 INCH IN LENGTH.
- [SDR RYN76393A](https://openairdocs.org/sdr/RYN76393A.md): Support Beam · cracked · Oct 19, 2002 · N7639U · Boeing 727222 · Fuselage, Landing Gear Attach Fittings
  > DURING SERVICE CHECK, FOUND CRACK ON LT MAIN LANDING GEAR SUPPORT BEAM, OB ATTACH LUGS AT UPPER LOCK BOLT LUG.
- [SDR 20010430AP005](https://openairdocs.org/sdr/20010430AP005.md): Smoke Detector · malfunctioned · Mar 16, 2001 · N7639U · Boeing 727222 · Smoke Detection
  > FLT 34 - EN ROUTE TO ICT, DIVERTED INTO STL FOR MAIN CARGO SMOKE DETECTOR LIGHT ILLUMINATED. CARGO SMOKE LIGHT EXTINGUISHED ON TOUCH DOWN. PILOT DECLARED AN EMERGENCY AND LANDED STL WITHOUT FURTHER INCIDENT. PERFORMED INSPECTION OF SMOKE DETECTION SYSTEM AN
- [SDR 20010108AP005](https://openairdocs.org/sdr/20010108AP005.md): Bulb · will not test · Oct 5, 2000 · N7639U · Boeing 727222 · Detection System
  > FLT 609 - MCO - NR 2 SMOKE DETECTOR WILL NOT TEST. RELAMPED NR 2 SMOKE DETECTR BEACON LAMP. SYSTEM TESTED AND NO DEFECTS NOTED. (M)
- [SDR 20000410AP005](https://openairdocs.org/sdr/20000410AP005.md): Fire Loop · out of adj · Feb 23, 2000 · N7639U · Boeing 727222 · Indicating/Recording System
  > FLT 112 - MDT - NR 3 GROUND FAULT LIGHT ILLUMINATED IN FLIGHT. REPOSITIONED NR 3 FIRE LOOP. (M)
- [SDR 96ZZZM1309](https://openairdocs.org/sdr/96ZZZM1309.md): Bungee Assy · worn · Aug 15, 1996 · N7639U · Boeing 727222 · Entrance Stairs
  > AFT AIRSTAIR ANNUNCIATOR LIGHT CAME ON AFTER TAKEOFF, LIGHT WENT OFF AFTER LANDING. REMOVED AND REPLACED BUNGEE ASSEMBLY. OPS CHECKED GOOD. (M)
- [SDR 96ZZZM1025](https://openairdocs.org/sdr/96ZZZM1025.md): Shutoff Vlv · air leak · May 18, 1996 · N7639U · Boeing 727222 · Pneumatic Distribution System
  > AFTER TAKEOFF FROM BDL, THE NR 3 ENGINE STRUT OVERHEAT WARNING LIGHT ILLUMINTED. THE AIRCRAFT RETURNED TO BDL WITHOUT INCIDENT. LIGHT EXTINGUISHED WITH REDUCED POWER. FOUND BLEED AIR LEAK AT THE JUNCTION OF THE PNEUMATIC DUCT TO THE NR 3 MODULATING AND SHUT
- [SDR 96ZZZM870](https://openairdocs.org/sdr/96ZZZM870.md): Smoke Detector · failed · May 11, 1996 · N7639U · Boeing 727222 · Smoke Detection
  > DURING CRUISE FROM STL-DAY - THE MAIN CARGO SMOKE DETECTOR LIGHT ILLUMINATED. COMPLIED WITH EMERGENCY CHECKLISTS. AIRCRAFT LANDED IN DAY WITHOUT INCIDENT. NO EVIDENCE FO FIRE NOTED. REPLACED NR 2, NR 4, AND NR 6 SMOKE DETECTORS PER MM 26-10-0. OPS CHECKS
- [SDR 96ZZZM932](https://openairdocs.org/sdr/96ZZZM932.md): Smoke Detectors · failed · May 10, 1996 · N7639U · Boeing 727222 · Smoke Detection
  > DURING CRUISE FROM DAY TO MCI AT FL 310, THE MAIN CARGO SMOKE DETECTOR LIGHT ILLUMINATED. COMPLIED WITH REQUIRED EMERGENCY CHECKLIST. THE LIGHT EXTINGUISHED AT FL 120. AIRCRAFT LANDED AT MCI WITHOUT INCIDENT. NO EVIDENCE OF FIRE NOTED. REPLACED SMOKE DETECT
- [SDR 96ZZZM806](https://openairdocs.org/sdr/96ZZZM806.md): Smoke Light · illuminated · Apr 19, 1996 · N7639U · Boeing 727222 · Smoke Detection
  > IN CRUISE FROM DAY TO MCI, THE MAIN CARGO SMOKE DETECTOR LIGHT ILLUMINATED. AIRCRAFT MADE UNSCHEDULED LANDING STL. DURING DESCENT THE WARNING LIGHT EXTINGUISHED. NO EVIDENCE OF FIRE NOTED. TESTED CARGO SMOKE DETECTION SYSTEM PER MM 26, SYSTEM CHECKS 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 = 'N7639U' AND deregistration_id = 'N7639U-2012-03-06'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N7639U-2012-03-06/reports

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