# Service difficulty reports: N7638U, cancelled Feb 16, 2007

A list on [N7638U, cancelled Feb 16, 2007](https://openairdocs.org/deregistered/N7638U-2007-02-16.md).

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

- [SDR C7WA200400072](https://openairdocs.org/sdr/C7WA200400072.md): Warning Light · illuminated · Jan 7, 2005 · N7638U · Boeing 727222 · Overheat Detection
  > LOWER AFT BODY OVERHEAT LIGHT ILLUMINATED THEN EXTINGUISHED ON ITS OWN INFLIGHT. INSPECTED DUCTING IN AFT AIRSTAIR AREA AND RAN ENGINES AT TAKEOFF POWER. UNABLE TO DUPLICATE PROBLEM, NO LEAKS NOTED. SYSTEM OPERATIONAL, CHECK GOOD IAW MM. (K)
- [SDR C7WA200400073](https://openairdocs.org/sdr/C7WA200400073.md): Sensing Element · erratic · Jan 7, 2005 · N7638U · Boeing 727222 · Overheat Detection
  > IN FLIGHT, LOWER AFT BODY OVERHEAT LIGHT ILLUMINATED, RT DUCT PRESSURE INDICATED 80 PSI. MADE PRECAUTIONARY LANDING. TIGHTENED ALL CLAMPS IN AIRSTAIR AREA. REPLACED LT AND RT PURGE LINE COUPLING SEALS. REMOVED AND REPLACED LOWER AFT BODY OVERHEAT LOOP DETE
- [SDR C7WA200400068](https://openairdocs.org/sdr/C7WA200400068.md): Pressure Switch · inoperative · Nov 11, 2004 · N7638U · Boeing 727222 · Engine Start Valves/Controls
  > NR 3 ENGINE START VALVE LIGHT CAME ON DURING FLIGHT. FOUND NR 3 ENGINE START VALVE PRESSURE SWITCH INOPERATIVE. REMOVED AND REPLACED PRESSURE SWITCH IAW MM.
- [SDR C7WA2004000CC](https://openairdocs.org/sdr/C7WA2004000CC.md): Duct · broken · Aug 28, 2004 · N7638U · Boeing 727222 · Engine Anti-Icing System
  > AFTER TAKEOFF NR 3 ENGINE FIRE WARNING WENT OFF. EMERGENCY CHECK LIST ACCOMPLISHED. WHEN NR 3 THROTTLE WAS RETARDED FIRE WARNING LIGHT WENT OUT. RETURNED TO AIRPORT. FOUND NR 3 ENGINE ANTI-ICE DUCT BROKEN. REMOVED AND REPLACED NR3 ENGINE ANTI-ICE DUCT IAW
- [SDR 278229](https://openairdocs.org/sdr/278229.md): Accessory Unit · inoperative · May 18, 2004 · N7638U · Boeing 727222 · Landing Gear Retraction/Extension System
  > DURING CLIMB, EXPERIENCED MULTIPLE WARNINGS FOR UNSAFE RT MAIN GEAR. ALTITUDE WARNING HORN SOUNDED AT 2000 FT, INADDITION TO WINDSHEAR LIGHT AND STICK SHAKER (NO SHEAR NOTED). AIRCRAFT RETURNED TO MSY AND LANDED WITHOUT INCIDENT. REMOVED AND REPLACED LANDIN
- [SDR 2004F00163](https://openairdocs.org/sdr/2004F00163.md): Skin · delaminated · Feb 17, 2004 · N7638U · Boeing 727222 · Trailing Edge Flaps
  > AT C-CHECK, FOUND LEFT WING INBOARD MID FLAP LOWER SURFACE TRAILING EDGE WITH DELAMINATION. FABRICATED FILLER AND DOUBLER. CUT NEW CORE. BONDED, CURED, SANDED, CLEANED, TREATED, PRIMED AND SEALED. (M)
- [SDR 2004F00173](https://openairdocs.org/sdr/2004F00173.md): Doubler · cracked · Feb 5, 2004 · N7638U · Boeing 727222 · Leading Edge Devices
  > AT C-CHECK, FOUND RIGHT WING NR 8 SLAT ACTUATOR ATTACH OUTER OUTBOARD FRAME LAYER IS CRACKED WING LEADING EDGE CAVITY. FABRICATE, PRIMED AND INSTALL NEW DUOBLER REPAIR AT RIGHT WING NR 8 SLAT ACTUATOR. (M)
- [SDR RYN2004F00022](https://openairdocs.org/sdr/RYN2004F00022.md): Line · chafed · Aug 14, 2003 · N7638U · Boeing 727222 · Hydraulic System, Main
  > ON CLIMB OUT, LOST HYDRAULIC A-SYSTEM. ACCOMPLISHED APPROPRIATE CHECK LIST AND MANUALLY EXTENDED THE LANDING GEAR. EMERGENCY DECLARED AND AIRCRAFT RETURNED. AIRCRAFT LANDED MDT WITHOUT INCIDENT. REPLACED NR 2 ENGINE HYDRAULIC PUMP FLEX PRESSURE LINE. LEAK
- [SDR 2003F00244](https://openairdocs.org/sdr/2003F00244.md): Manifold · cracked · Feb 12, 2003 · N7638U · Boeing 727222 · Pneumatic Distribution System
  > DURING CLIMB-OUT AT KANSAS CITY, NR 2 ENGINE FIRE WARNING LIGHT ILLUMINATED AND HORN SOUNDED. EMERGENCY CHECKLIST FOLLOWED. ENGINE WAS SHUTDOWN AND NR 1 FIRE BOTTLE DISCHARGED. AIRCRAFT RETURNED TO KANSAS CITY AND LANDED WITHOUT INCIDENT. REMOVED AND REPLA
- [SDR RYN2003F00002](https://openairdocs.org/sdr/RYN2003F00002.md): Splice · cracked · Jan 3, 2003 · N7638U · Boeing 727222 · Fuselage Miscellaneous Structure
  > AT B CHECK, CRACK FOUND AT FUSELAGE INTERIOR FLOOR SPLICE PLATE TO LOWER SILL BEAM, BS 640.
- [SDR RYN2003F00004](https://openairdocs.org/sdr/RYN2003F00004.md): Skin · cracked · Dec 27, 2002 · N7638U · Boeing 727222 · Fuselage Main, Plate/Skin
  > DURING B CHECK, FOUND SKIN CRACKED AT FUSELAGE INTERIOR, LT SIDE, BS 480, FRAME TO LOWER SILL BEAM FROM TIE TO FUSELAGE.
- [SDR RYN2003F00003](https://openairdocs.org/sdr/RYN2003F00003.md): Floorbeam · cracked · Dec 27, 2002 · N7638U · Boeing 727222 · Fuselage Main, Floor Beam
  > AT B CHECK, CRACK FOUND IN FUSELAGE INTERIOR AT FLOORBEAM LOWER CHORD ANGLE BS295, LBBL30.
- [SDR RYN2003F00001](https://openairdocs.org/sdr/RYN2003F00001.md): Frame · cracked · Dec 27, 2002 · N7638U · Boeing 727222 · Fuselage Main, Frame
  > AT B CHECK, CRACK FOUND ON FORWARD AND AFT SIDES OF FUSELAGE INTERIOR, LT FRAME AT BS 680 ATTACHMENT TO SKIN LOWER SILL BEAM.
- [SDR 2002F00449](https://openairdocs.org/sdr/2002F00449.md): Trunnion · cracked · Feb 22, 2002 · N7638U · Boeing 727222 · Landing Gear Retraction/Extension System
  > AT C-CHECK, FOUND RIGHT MLG TRUNNION SUPPORT FITTING CRACKED. (M)
- [SDR 2002F00448](https://openairdocs.org/sdr/2002F00448.md): Floor Support · corroded · Jan 26, 2002 · N7638U · Boeing 727222 · Fuselage Miscellaneous Structure
  > AT C-CHECK, FOUND AFT PIT FLOOR SUPPORT CORROSION AT STATION 1163-1166 LBL 4. (M)
- [SDR LCQ07](https://openairdocs.org/sdr/LCQ07.md): Trunnion · cracked · Jan 22, 2002 · N7638U · Boeing 727222 · Main Landing Gear Attach Section
  > RIGHT MLG TRUNNION ATTACHMENT FITTING INBOARD LUG LWR OUTBOARD FACE HAS MINOR CORROSION. LATER FOUND FITTING TO BE CRACKED.
- [SDR 2002F00513](https://openairdocs.org/sdr/2002F00513.md): Frame · cracked · Jan 18, 2002 · N7638U · Boeing 727222 · Fuselage Main, Frame
  > AT C-CHECK, FOUND CRACKED FRAME (INSIDE COCKPIT) AT LEFT STATION 294.5 STRINGER 4L. (M)
- [SDR 2002F00158](https://openairdocs.org/sdr/2002F00158.md): Frame · cracked · Jan 18, 2002 · N7638U · Boeing 727222 · Fuselage Main, Frame
  > FOUND LEFT STATION 294.5 STRINGER 4L, INSIDE COCKPIT, FRAME IS CRACKED. (M)
- [SDR 2002F00516](https://openairdocs.org/sdr/2002F00516.md): Skin · chafed · Jan 17, 2002 · N7638U · Boeing 727222 · Trailing Edge Flaps
  > AT C-CHECK, FOUND RIGHT INBOARD MID FLAP UPPER SKIN CHAFFED AT OUTBOARD SIDE WBL 243. (M)
- [SDR 2002F00515](https://openairdocs.org/sdr/2002F00515.md): Bracket · cracked · Jan 17, 2002 · N7638U · Boeing 727222 · Engine Oil Pressure
  > AT C-CHECK, FOUND LOWER MOUNT BRACKET FOR THE OIL PRESSURE LIGHT SWITCH ON NR 2 ENGINE CRACKED. (M)
- [SDR 2002F00514](https://openairdocs.org/sdr/2002F00514.md): Skin · gouged · Jan 17, 2002 · N7638U · Boeing 727222 · Fuselage Main, Plate/Skin
  > AT -CHECK, FOUND LEFT LOWER FUSELAGE SKIN GOUGED AT STATION 1200 19 AND 20L. (M)
- [SDR 2002F00178](https://openairdocs.org/sdr/2002F00178.md): Skin · gouged · Jan 17, 2002 · N7638U · Boeing 727222 · Fuselage Main, Plate/Skin
  > FOUND LEFT LOWER FUSELAGE SKIN IS GOUGED AT STATION 1200 STRINGER 19 AND 20L. (M)
- [SDR 2002F00519](https://openairdocs.org/sdr/2002F00519.md): Skin · cracked · Jan 16, 2002 · N7638U · Boeing 727222 · Passenger/Crew Doors
  > AT C-CHECK, FOUND L1 DOOR EXTERIOR SKIN CRACKED AT THE FORWARD LOWER CORNER STATION 317 APPROXIMATELY SIX INCHES FROM FORWARD EDGE OF DOOR. (M)
- [SDR RRX2001F00000](https://openairdocs.org/sdr/RRX2001F00000.md): Actuator · leaking · Nov 16, 2001 · N7638U · Boeing 727222 · Leading Edge Slat Actuator
  > LOST (A) SYSTEM HYDRAULIC PRESSURE DURING CLIMB OUT FROM MSY. ACCOMPLISHED EMERGENCY CHECKLIST RELATING TO LOSS OF (A) SYSTEM HYDRAULICS. EMERGENCY WAS DECLARED. AIRCRAFT LANDED WITHOUT INCIDENT. REPLACED NR 3 SLAT ACTUATOR ASSEMBLY AND OPERATIONAL CHECK SYST
- [SDR 20010430AP004](https://openairdocs.org/sdr/20010430AP004.md): Switch · damaged · Mar 16, 2001 · N7638U · Boeing 727222 · Fire Detection
  > FLT 19, POSITIONED ON LRD DURING ENGINE AND FIREWALL FIRE TEST THE FIRE HORN JUST CHIRPS. REMOVED AND REPLACED FIRE WARNING BELL CUT OUT SWITCH. SYSTEM OPERATES NORMAL. (M)
- [SDR 20001011AP009](https://openairdocs.org/sdr/20001011AP009.md): Diffuser · cracked · Jun 8, 2000 · N7638U · Boeing 727222 · Turbine Engine Compressor Section
  > DAY - NR 1 ENGINE SLOW TO ACCELERATE TO TAKEOFF POWER. ''H'' FLANGE DIFFUSER SLIDE ADJUSTMENT (PS3 SCREEN) CRACK PROGRESSION BEYOND ORIGINAL REPAIR AT UPPER STOP. REPLACED NR 1 ENGINE. (M)
- [SDR 20000623AP002](https://openairdocs.org/sdr/20000623AP002.md): Smoke Detector · will not test · Apr 18, 2000 · N7638U · Boeing 727222 · Smoke Detection
  > FLT 520 - DAY - NR 4 CARGO SMOKE DETECTOR FAILED TO TEST. REPLACED NR 4 SMOKE DETECTOR ASSEMBLY. (M)
- [SDR RRXA98243](https://openairdocs.org/sdr/RRXA98243.md): Control Box · failed · Jun 26, 1998 · N7638U · Boeing 727222 · Landing Gear Position and Warning
  > LEFT MAIN GEAR WARING LIGHT REMAINED ILLUMINATED AFTER GEAR WAS SELECTED UP. REMOVED AND REPLACED LANDING GEAR CONTROL BOX. LEFT MAIN GEAR WARNING LIGHT OPS CHECKS GOOD ON GROUND TEST.
- [SDR RRXA98236](https://openairdocs.org/sdr/RRXA98236.md): Fire Loops · malfunctioned · Jun 19, 1998 · N7638U · Boeing 727222 · Fire Detection
  > AFTER TAKEOFF, LOWER AFT BODY OVERHEAT LIGHT ILLUMINATED AND REMAINED ILLUMINATED UNTIL LANDING. *S/D* REMOVED AND REPLACED FWD AND MIDDLE LOWER AFT BODY FIRE LOOPS, LOWER AFT BODY OVERHEAT WARNING SYSTEM. OPS CHECKS NORMAL ON GROUND, NO DEFECTS.
- [SDR RRXA98220](https://openairdocs.org/sdr/RRXA98220.md): Detector · failed · May 28, 1998 · N7638U · Boeing 727222 · Fire Detection
  > LOWER AFT BODY OVER-HEAT LIGHT ILLUMINATED IN CRUISE, AFTER COMPLETING ENTIRE EMERGENCY CHECK-LIST LIGHT REMAINED ILLUMINATED. PRECAUTIONARY LANDING MADE. REMOVED AND REPLACED FIRE DETECTION DETECTOR UNIT, GND RUN-UP NORMAL.
- [SDR 98ZZZM197](https://openairdocs.org/sdr/98ZZZM197.md): Light · failed · Dec 30, 1997 · N7638U · Boeing 727222 · Emergency Lighting
  > DURING PREFLIGHT IN DAY, COCKPIT EMERGENCY EXIT LIGHTS INOPERATIVE. REMOVED AND REPLACED EMERGENCY EXIT LIGHT IN COCKPIT. (M)
- [SDR 96ZZZX3978](https://openairdocs.org/sdr/96ZZZX3978.md): Duct · ruptured · Jul 12, 1996 · N7638U · Boeing 727222 · Pneumatic Distribution System
  > NR 3 ENGINE FIRE WARNING ACTIVATED AFTER TAKEOFF. REPLACED THE NR 3 ENGINE, 13TH STAGE SADDLE DUCT PER MM 72-00.

## 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 = 'N7638U' AND deregistration_id = 'N7638U-2007-02-16'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N7638U-2007-02-16/reports

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.