# Service difficulty reports: N491US, cancelled Feb 15, 2006

A list on [N491US, cancelled Feb 15, 2006](https://openairdocs.org/deregistered/N491US-2006-02-15.md).

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

Page 1 of 9 · 419 reports

- [SDR QXEA0201337](https://openairdocs.org/sdr/QXEA0201337.md): Battery Pack · inoperative · Sep 2, 2002 · N491US · Fokker F28MK4000 · Emergency Lighting
  > PDX- EVACUATION LIGHTS ON SEATS 12,13, AND 14AB ARE INOPERATIVE. REMOVED AND REPLACED EVACUATION BATTERY PACK. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0201335](https://openairdocs.org/sdr/QXEA0201335.md): Battery · defective · Aug 31, 2002 · N491US · Fokker F28MK4000 · Emergency Lighting
  > PDX- GREEN EXIT AND EVACUATION LIGHTS AT MAIN CABIN DOOR AND GALLEY SERVICE DOOR ILLUMINATE WITH EMERGENCY LIGHT SWITCH IN OFF POSITION AND EXIT AIRCRAFT SWITCH TURNED OFF, REGARDLESS OF BATTERY SWITCH POSITION. REMOVED AND REPLACED BATTERY. OPERATIONAL CHEC
- [SDR QXEA0200960](https://openairdocs.org/sdr/QXEA0200960.md): Circuit Card · inoperative · Jul 20, 2002 · N491US · Fokker F28MK4000 · Emergency Lighting
  > SEA-EMERGENCY EXIT SIGN HAS BULBS INOPERATIVE, CENTER OVERHEAD. REPLACED EMERGENCY EXIT SIGN CIRCUIT CARD. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICES.
- [SDR QXEA0200923](https://openairdocs.org/sdr/QXEA0200923.md): Sign · inoperative · Jun 28, 2002 · N491US · Fokker F28MK4000 · Emergency Lighting
  > BOI- CABIN EXIT SIGN HAS SEVERAL LAMPS INOPERATIVE. REMOVED AND REPLACED EXIT SIGN. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0200920](https://openairdocs.org/sdr/QXEA0200920.md): Switch · inoperative · Jun 28, 2002 · N491US · Fokker F28MK4000 · Landing Gear Position and Warning
  > BOI - ON APPROACH AND AFTER GEAR EXTENSION, THE LEFT MAIN DOOR AMBER LIGHT REMAINED ILLUMINATED. THE APPROACH WAS ABORTED AND THE ALTERNATE GEAR EXTENSION WAS USED. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT AND REPLACED THE MAIN GEAR
- [SDR QXEA0200831](https://openairdocs.org/sdr/QXEA0200831.md): Sign · inoperative · May 20, 2002 · N491US · Fokker F28MK4000 · Emergency Lighting
  > BOI- COCKPIT ENTRANCE OVERHEAD EMERGENCY EXIT SIGN INOP. REMOVED AND REPLACED EXIT SIGN. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0200531](https://openairdocs.org/sdr/QXEA0200531.md): Power Supply · inoperative · Mar 30, 2002 · N491US · Fokker F28MK4000 · Emergency Lighting
  > PDX- LEFT HAND EMERGENCY DOOR LIGHTS INOPERATIVE. REMOVED AND REPLACED BATTERY POWER SUPPLY. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0200507](https://openairdocs.org/sdr/QXEA0200507.md): Sign · defective · Mar 22, 2002 · N491US · Fokker F28MK4000 · Emergency Lighting
  > BOI- DIM EXIT LIGHT MID CABIN FACING FORWARD. REPLACED EXIT SIGN. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0102134](https://openairdocs.org/sdr/QXEA0102134.md): Sign · inoperative · Dec 24, 2001 · N491US · Fokker F28MK4000 · Emergency Lighting
  > PDX- SEVERAL 28 VOLT LAMPS FAIL TO ILLUMINATE IN AFT CENTER CABIN EXIT SIGN. REMOVED AND REPLACED EXIT SIGN. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0101699](https://openairdocs.org/sdr/QXEA0101699.md): Sign · inoperative · Oct 26, 2001 · N491US · Fokker F28MK4000 · Emergency Lighting
  > BOI - EXIT SIGN AT PASSENGER COMPARTMENT LINTEL HAS NO EMERGENCY LIGHTS WORKING. REPLACED EXIT SIGN ASSEMBLY. OPERATIONAL CHECK IS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0101601](https://openairdocs.org/sdr/QXEA0101601.md): Sign · inoperative · Sep 29, 2001 · N491US · Fokker F28MK4000 · Emergency Lighting
  > PDX - EXIT SIGN OVER COCKPIT DOOR HAS NUMEROUS BULBS BURNED OUT. REMOVED AND REPLACED EXIT SIGN. OPERATIONAL CHECK IS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0101590](https://openairdocs.org/sdr/QXEA0101590.md): Light · inoperative · Sep 22, 2001 · N491US · Fokker F28MK4000 · Emergency Lighting
  > BOI - EMERGENCY EXIT LIGHT PANEL ABOVE ROW 8 IS INOPERABLE. REMOVED AND REPLACED EXIT LIGHT PANEL. OPERATIONAL CHECK IS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0101521](https://openairdocs.org/sdr/QXEA0101521.md): Light · inoperative · Sep 22, 2001 · N491US · Fokker F28MK4000 · Emergency Lighting
  > BOI - EMERGENCY EXIT LIGHT PANEL ABOVE ROW 8 IS INOPERABLE. REMOVED AND REPLACED EMERGENCY EXIT LIGHT PANEL. OPERATIONAL CHECK IS GOOD AND AIRCRAFT RETURNED FOR SERVICE.
- [SDR QXEA0101513](https://openairdocs.org/sdr/QXEA0101513.md): Power Supply · inoperative · Sep 13, 2001 · N491US · Fokker F28MK4000 · Emergency Lighting
  > PDX - NUMBER 6 CABIN BATTERY PACK IS WEAK. REMOVED AND REPLACED BATTERY PACK. OPERATIONAL CHECK IS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0101512](https://openairdocs.org/sdr/QXEA0101512.md): Power Supply · inoperative · Sep 13, 2001 · N491US · Fokker F28MK4000 · Emergency Lighting
  > PDX - NUMBER 5 CABIN BATTERY PACK IS WEAK. REMOVED AND REPLACED BATTERY PACK. OPERATIONAL CHECK IS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0101511](https://openairdocs.org/sdr/QXEA0101511.md): Power Supply · discharged · Sep 13, 2001 · N491US · Fokker F28MK4000 · Emergency Lighting
  > PDX - NUMBER 4 CABIN EMERGENCY BATTERY PACK IS WEAK. REMOVED AND REPLACED BATTERY PACK. OPERATIONAL CHECK IS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0101485](https://openairdocs.org/sdr/QXEA0101485.md): Clip · corroded · Sep 3, 2001 · N491US · Fokker F28MK4000 · Wing Miscellaneous Structure
  > PDX- CORROSION FOUND ON CLIPS AT LOWER END OF NR 2, NR 3 NR 4 RIBS ON INBOARD WALL OF LEFT SIDE OF COLLECTOR FUEL TANK. REMOVED CORROSION AND REPLACED HI LOCKS AND TREATED AREA IAW F28 SRM 51-01-01 AND SRM 51-10-04.
- [SDR QXEA0101477](https://openairdocs.org/sdr/QXEA0101477.md): Stringer · bent · Aug 31, 2001 · N491US · Fokker F28MK4000 · Fuselage Main, Longeron/Stringer
  > PDX - STRINGER 17 IS BENT ON FORWARD SIDE OF FRAME 2220 STRINGER TIE AND STRINGER. REPAIRED IAW SRM 53-02-01 AND SRM 51-30-02.
- [SDR QXEA0101476](https://openairdocs.org/sdr/QXEA0101476.md): Stringer · damaged · Aug 31, 2001 · N491US · Fokker F28MK4000 · Fuselage Main, Longeron/Stringer
  > PCDX - STRINGER 20 AT FRAME 2220 HAS DAMAGE AT END OF STRINGER. REPAIRED DAMAGE IAW F28 SRM 53-02-08 PAGE 6.
- [SDR QXEA0101484](https://openairdocs.org/sdr/QXEA0101484.md): Frame · cracked · Aug 29, 2001 · N491US · Fokker F28MK4000 · Fuselage Main, Frame
  > PDX - FRAME CASTELLATION CRACKED ON FRAME 1285 BETWEEN STRINGERS 17 AND 18. REMOVED DAMAGED AREA AND REPAIRED PER F28 SRM 53-02-13.
- [SDR QXEA0101483](https://openairdocs.org/sdr/QXEA0101483.md): Stringer · damaged · Aug 29, 2001 · N491US · Fokker F28MK4000 · Fuselage Main, Longeron/Stringer
  > PDX - STRINGER 19 DAMAGED BETWEEN FRAME 1600 AND FRAME 1890. REMOVED DAMAGED SECTION OF STRINGER AND REPAIRED IAW F28 SRM 53-02-05.
- [SDR QXEA0101482](https://openairdocs.org/sdr/QXEA0101482.md): Shear Tie · damaged · Aug 29, 2001 · N491US · Fokker F28MK4000 · Fuselage Main, Structure
  > PDX - STRINGER TIE AT FRAME 2220 AND STRINGER 18 IS DAMAGED. REMOVED AND REPLACED STRINGER TIES IAW F28 SRM 53-02-05.
- [SDR QXEA0101480](https://openairdocs.org/sdr/QXEA0101480.md): Skin · damaged · Aug 29, 2001 · N491US · Fokker F28MK4000 · Fuselage Main, Plate/Skin
  > PDX - SKIN DAMAGE BETWEEN FRAME 1600 AND 2200 AND STRINGERS 18 AND 21A. REPAIRED IAW F28 SRM 53-02-08, 51-31-01, AND 53-12-02.
- [SDR QXEA0101479](https://openairdocs.org/sdr/QXEA0101479.md): Stringer · damaged · Aug 29, 2001 · N491US · Fokker F28MK4000 · Fuselage Main, Longeron/Stringer
  > PDX - STRINGER 21A IS DAMAGED BETWEEN FRAME 1890 AND 2220. REPAIRED STRINGER 21A IAW F-28 SRM 53-02-05.
- [SDR QXEA0101478](https://openairdocs.org/sdr/QXEA0101478.md): Stringer · damaged · Aug 29, 2001 · N491US · Fokker F28MK4000 · Fuselage Main, Longeron/Stringer
  > PDX - STRINGER 20 IS DAMAGED BETWEEN FRAME 1600 AND FRAME 1890. REMOVED DAMAGED PORTION OF STRINGER AND REPAIRED IAW F28 SRM 53-02-05.
- [SDR QXEA0101481](https://openairdocs.org/sdr/QXEA0101481.md): Fastener · damaged · Aug 28, 2001 · N491US · Fokker F28MK4000 · Fuel Storage
  > PDX - SUSPECTED FUEL LEAK FROM TWO HI-LOKS BY COLLECTOR TANK. REMOVED AND REPLACED TWO HI-LOKS AND REPAIRED IAW F28 SRM 51-30-02.
- [SDR QXEA0101475](https://openairdocs.org/sdr/QXEA0101475.md): Structure · leaking · Aug 28, 2001 · N491US · Fokker F28MK4000 · Wing Main, Frame Structure
  > PDX -FUEL LEAKING FROM HI LOCK, BOTTOM OF LEFT WING 13 INCHES FORWARD OF LEFT LANDING GEAR FORWARD TRUNNION. REMOVED AND REPLACED HI LOCKS AND SEALED SAME IAW F28 SRM 51-30-02. SEALED HI LOCK COLLARS IAW F28 MANUAL 28-11-00 PARAGRAPHS 4A,5A,B,C AND D.
- [SDR QXEA0101474](https://openairdocs.org/sdr/QXEA0101474.md): Skin · damaged · Aug 28, 2001 · N491US · Fokker F28MK4000 · Fuselage Main, Plate/Skin
  > PDX - THE REPAIR DOUBLER FOR THE REPAIR AT FRAME 2220 AND STRINGER 18 EXCEEDS 20 PERCENT OF SKIN PANEL. REPLACED SKIN PANEL AND STRINGER ASSEMBLY IAW F-28 SRM 51-31-01
- [SDR QXEA0101473](https://openairdocs.org/sdr/QXEA0101473.md): Skin · damaged · Aug 27, 2001 · N491US · Fokker F28MK4000 · Fuselage Main, Plate/Skin
  > PDX - FRAME 2220 LEFT BETWEEN STRINGERS 53 AND 57 HAS A TEMPORARY REPAIR. REPLACED SKIN AND STRINGER ASSEMBLY IAW F28 SRM 51-31-01
- [SDR QXEA0101070](https://openairdocs.org/sdr/QXEA0101070.md): Sign · inoperative · Jun 26, 2001 · N491US · Fokker F28MK4000 · Emergency Lighting
  > BOI - MID CABIN OVERHEAD EXIT SIGN REPORTED INOPERATIVE. REMOVED AND REPLACED EXIT SIGN. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0100704](https://openairdocs.org/sdr/QXEA0100704.md): Stringer · cracked · May 12, 2001 · N491US · Fokker F28MK4000 · Fuselage Main, Longeron/Stringer
  > PDX - UPON INSPECTION, FOUND STRINGER INBOARD OF THE AIR CYCLE MACHINE INLET CRACKED. REPAIRED IN ACCORDANCE WITH FOKKER STRUCTERAL REPAIR MANUAL. COMPLIED WITH REQUIRED INSPECTION BUY BACK. CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0100495](https://openairdocs.org/sdr/QXEA0100495.md): Smoke Warning · false activation · Apr 17, 2001 · N491US · Fokker F28MK4000 · Smoke Detection
  > SEA - FLIGHT CREW REPORTED INTERMITTENT SMOKE DETECTION AURAL WARNING EMINATING FROM CARGO COMPARTMENT. NO DEFECTS WERE FOUND UPON INSPECTION. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0100427](https://openairdocs.org/sdr/QXEA0100427.md): Sign · inoperative · Mar 26, 2001 · N491US · Fokker F28MK4000 · Emergency Lighting
  > BOI - MID CABIN EXIT SIGN REPORTED TO HAVE INOPERATIVE LAMPS. REMOVED AND REPLACED EXIT SIGN. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0100095](https://openairdocs.org/sdr/QXEA0100095.md): Circuit Board · inoperative · Feb 4, 2001 · N491US · Fokker F28MK4000 · Emergency Lighting
  > SEA- NR 1 AND NR 2 OVERHEAD EMERGENCY EXIT SIGNS HAVE INOPERATIVE BULBS. REPLACED NR 1 AND NR 2 EXIT SIGN CIRCUIT BOARDS. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0100001](https://openairdocs.org/sdr/QXEA0100001.md): Sign · inoperative · Jan 1, 2001 · N491US · Fokker F28MK4000 · Emergency Lighting
  > GEG - THE FORWARD CENTER ISLE EXIT SIGN WAS FOUND INOPERATIVE. REMOVED AND REPLACED EXIT SIGN. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0003352](https://openairdocs.org/sdr/QXEA0003352.md): Sign · inoperative · Dec 20, 2000 · N491US · Fokker F28MK4000 · Emergency Lighting
  > SEA - MID CABIN OVERHEAD EXIT SIGN FOUND TO HAVE INOPERATIVE LAMPS. REMOVED AND REPLACED EXIT SIGN ASSEMBLY. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0003087](https://openairdocs.org/sdr/QXEA0003087.md): Power Supply · inoperative · Nov 25, 2000 · N491US · Fokker F28MK4000 · Emergency Lighting
  > BOI- SEVERAL EVACUATION LIGHTS IN ENTRYWAY INOPERATIVE. REMOVED AND REPLACED POWER SUPPLY BATTERY, OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0002944](https://openairdocs.org/sdr/QXEA0002944.md): Light · broken · Nov 5, 2000 · N491US · Fokker F28MK4000 · Emergency Lighting
  > BOI - SEAT PATH LIGHT ON SEAT 8AB FOUND BROKEN. REMOVED AND REPLACED SEAT PATH LIGHT ASSEMBLY, OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0002002](https://openairdocs.org/sdr/QXEA0002002.md): Latch · lack of lube · Jul 22, 2000 · N491US · Fokker F28MK4000 · Passenger/Crew Doors
  > BOI - MAIN CABIN DOOR EXTREMELY DIFFICULT TO MOVE FROM LOCKED TO OPEN POSITION. LUBED MAIN CABIN DOOR PINS AND LATCH MECHANISM. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0002001](https://openairdocs.org/sdr/QXEA0002001.md): Door · lack of lube · Jul 22, 2000 · N491US · Fokker F28MK4000 · Passenger/Crew Doors
  > BOI - FLIGHT ATTENDENT ADVISED CREW THAT MAIN CABIN DOOR WAS DIFFICULT TO MOVE TO OPEN POSITION. CLEANED AND LUBED MAIN CABIN DOOR SEAL. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0002003](https://openairdocs.org/sdr/QXEA0002003.md): Circuit Board · failed · Jul 20, 2000 · N491US · Fokker F28MK4000 · Emergency Lighting
  > PDX - EMERGENCY EXIT SIGN ABOVE MAIN CABIN DOOR ENTRANCE FOUND INOPERATIVE. REMOVED AND REPLACED CIRCUIT BOARD, OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0002012](https://openairdocs.org/sdr/QXEA0002012.md): Door · out of adj · Jul 18, 2000 · N491US · Fokker F28MK4000 · Passenger/Crew Doors
  > MAIN CABIN DOOR IS NOT FLUSH WITH SKIN WHEN CLOSED. REPAIRED IAW FOKKER SRM 51-50-0, PAGE 19.
- [SDR QXEA0002010](https://openairdocs.org/sdr/QXEA0002010.md): Skin · damaged · Jul 15, 2000 · N491US · Fokker F28MK4000 · Cargo/Baggage Doors
  > PDX- AFT CARGO DOOR INNER SKIN DOUBLER DAMAGED NEAR BOTH HOOK LATCHES. REPAIRED IAW FOKKER SRM 51-31-05, SRM 51-10-4, AND SRM 52-30-00.
- [SDR QXEA0002025](https://openairdocs.org/sdr/QXEA0002025.md): Panel · corroded · Jul 14, 2000 · N491US · Fokker F28MK4000 · Wing, Plate/Skin
  > PDX- RIGHT HAND WING INSIDE PANEL 72A JUST INBOARD CROSS BRACE AT BOTTOM HAS CORROSION IN CHANNEL. REPAIRED IAW FOKKER SRM 57-01-01, PAGE 5, AND SRM 51-30-02.
- [SDR QXEA0001978](https://openairdocs.org/sdr/QXEA0001978.md): Panel · cracked · Jul 14, 2000 · N491US · Fokker F28MK4000 · Horizontal Stabilizer, Plate/Skin
  > PDX- CRACKS IN FASTENER HOLES ON PANEL 53N. REPAIRED IAW HORIZON AIR EA 4-55-240.
- [SDR QXEA0002014](https://openairdocs.org/sdr/QXEA0002014.md): Panel · corroded · Jul 13, 2000 · N491US · Fokker F28MK4000 · Horizontal Stabilizer, Plate/Skin
  > PDX- CORROSION AROUND PANEL 56F. REPAIRED IAW FOKKER SRM 55-01-01, PAGE 4.
- [SDR QXEA0002013](https://openairdocs.org/sdr/QXEA0002013.md): Panel · corroded · Jul 13, 2000 · N491US · Fokker F28MK4000 · Horizontal Stabilizer, Plate/Skin
  > PDX- CORROSION AROUND PANEL 56F APERTURE. REPAIRED IAW FOKKER SRM 55-01-01, PAGE 4.
- [SDR QXEA0001953](https://openairdocs.org/sdr/QXEA0001953.md): Frame · bent · Jul 12, 2000 · N491US · Fokker F28MK4000 · Fuselage Main, Frame
  > PDX- RIGHT HAND AIR CYCLE MACHINE COMPARTMENT FORWARD RIGHT HAND CORNER NOSE LANDING GEAR SIDEWALL FRAME FLANGE BENT SEVERAL PLACES. REPAIRED IAW HORIZON AIR EA 4-53-1257.
- [SDR QXEA0001931](https://openairdocs.org/sdr/QXEA0001931.md): Skin · bulged · Jul 12, 2000 · N491US · Fokker F28MK4000 · Fuselage Main, Plate/Skin
  > PDX- BULGE IN SKIN FORWARD PRESSURE BULKHEAD AFT SIDE OF FRAME 15506. REPAIRED IAW FOKKER SRM 53-02-18 AND HORIZON AIR EA 4-53-1273.
- [SDR QXEA0002042](https://openairdocs.org/sdr/QXEA0002042.md): Actuator · misinstalled · Jul 10, 2000 · N491US · Fokker F28MK4000 · Aileron Control System
  > PDX- UNABLE TO INSTALL STEEL WASHER BETWEEN OUTBOARD SIDE OF BEARING IN THE AILERON ACTUATOR HOUSING AND AILERON HINGE BRACKET DUE TO INSUFFICIANT CLEARANCE. REPAIRED IAW HORIZON AIR EA 4-27-111.

Next page: https://openairdocs.org/deregistered/N491US-2006-02-15/reports.md?page=2

## 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 = 'N491US' AND deregistration_id = 'N491US-2006-02-15'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N491US-2006-02-15/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.