# Service difficulty reports: N450ML, cancelled May 14, 2013

A list on [N450ML, cancelled May 14, 2013](https://openairdocs.org/deregistered/N450ML-2013-05-14.md).

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

- [SDR 22AA200900031](https://openairdocs.org/sdr/22AA200900031.md): Elt · malfunctioned · Nov 17, 2009 · N450ML · Doug DC1030F · Emergency Locator Beacon
  > ON PRE-FLIGHT FOUND ELT LIGHT BLINKING. ENTERED ON DMI NR 23233 IAW MEL 25-40-2 CAT "A" C/B COLLARED VERIFIED NO AUDIO TRANSMIT ON VHF FREQ, PLACARD INSTALLED DMI NR 23233.
- [SDR 22AA200900022](https://openairdocs.org/sdr/22AA200900022.md): Slat System · malfunctioned · Jul 30, 2009 · N450ML · Doug DC1030F · Leading Edge Slat Control System
  > ON SHORT FINAL, SLAT DISAGREE LIGHT ILLUMINATED CAUSING STICK SHAKER. PROMPT APPLICATION OF FIREWALL POWER AND INCREASE IN SPEED PUT SLATS BACK IN "LAND" LANDING UNEVENTFUL. APP GW OF 305.000 LBS. 35/EXT REF OF 133+5 KTS. (K)
- [SDR 22AA2009000022](https://openairdocs.org/sdr/22AA2009000022.md): Slat System · malfunctioned · Jul 30, 2009 · N450ML · Doug DC1030F · Leading Edge Slat Control System
  > ON SHORT FINAL, SLAT DISAGREE LIGHT ILLUMINATED CAUSING STICK SHAKER PROMPT APPLICATION OF FIREWALL POWER AND INCREASE IN SPEED, PUT SLATS BACK IN LAND; LANDING UNEVENTFUL. APP GW OF 35.000 LBS, 35/EXT. REF. OF 133 + 5 KTS. INSPECTED SLAT SYS CABLES, PULLEYS,
- [SDR 22AA20081006](https://openairdocs.org/sdr/22AA20081006.md): Slat · damaged · Oct 27, 2008 · N450ML · Doug DC1030F · Leading Edge Devices
  > ON SERVICE CHECK, RT WING SLAT NR 8 LEADING EDGE DAMAGE. FOUND BIRD STRIKE ON RT WING SLAT NR 8 LEADING EDGE; INSPECTED RT WING SLAT NR 8 LEADING EDGE IN ACCORDANCE WITH DC10 M/M 05-62-00. PERFORMED TEMPORARY REPAIR IN ACCORDANCE WITH ENGINEERING AUTHORIZATI
- [SDR 22AA20081001](https://openairdocs.org/sdr/22AA20081001.md): Hydraulic Line · damaged · Oct 3, 2008 · N450ML · Doug DC1030F · Hydraulic System, Main
  > AFTER CLOSING CARGO DOOR FOR DEPARTURE, HARD ODOR OF HYDRAULIC FLUID IN FLIGHT DECK. REMOVED AND REPLACED MAIN CARGO DOOR CLOSE LINE AS REQUIRED; OPERATIONAL CHECK NORMAL IN ACCORDANCE WITH M/M 52-34-01, NO LEAKS FOUND.
- [SDR 22AA20080903](https://openairdocs.org/sdr/22AA20080903.md): Slide Raft · deployed · Sep 18, 2008 · N450ML · Doug DC1030F · Life Raft
  > L-1 DOOR SLIDE RAFT DEPLOYED. REMOVED L-1 DOOR SLIDE RAFT IN ACCORDANCE WITH DC-10 M/M 25-61-07; PERFORMED DOOR CHECK FOUND NORMAL IN ACCORDANCE WITH DC-10 M/M 52-11-07. TRANSFERRED TO DMI 22064 AS PER MEL 52-10-2, CAT "C". REMOVED & REPLACED L-1 DOOR RAFT
- [SDR ARWA20080903](https://openairdocs.org/sdr/ARWA20080903.md): Slide · unwanted deploy · Sep 18, 2008 · N450ML · Doug DC1030F · Escape Slide
  > L-1 DOOR SLIDE RAFT DEPLOYED. REMOVED L-1 DOOR SLIDE RAFT IAW MM 26-61-07, PERFORMED DOOR CHECK FOUND NORMAL IAW MM 52-11-07. TRANSFERRED TO DMI NR 22064 IAW MEL 52-10-2,, CAT (C). (K)
- [SDR ARWA20080706](https://openairdocs.org/sdr/ARWA20080706.md): Hydraulic System · low · Jul 24, 2008 · N450ML · Doug DC1030F · Hydraulic System, Main
  > NR 1 HYDRAULICS NEED SERVICING. SERVICED NR 1 HYDRAULIC SYSTEM AS REQUIRED IN ACCORDANCE WITH DC10 M/M 12-13-02; CHECKED FOR LEAKS IN ACCORDANCE WITH DC10 M/M 29-00-00, NO LEAKS NOTED. (A)
- [SDR ARWA20080505](https://openairdocs.org/sdr/ARWA20080505.md): Shutoff Valve · faulty · May 18, 2008 · N450ML · Doug DC1030F · Engine Thrust Reverser
  > NR 1 REVERSER PRESSURE LIGHT CAME ON DURING CRUISE, WENT OUT WHEN THROTTLES RETARDED FOR DESCENT. AS PER TAFI M/M 78-30-00 FOUND OVERPRESSURE INLET SHUTOFF VALVE BAD. REMOVED AND REPLACED VALVE IN ACCORDANCE WITH M/M 78-31-09, CHECK SYSTEMS NORMAL.
- [SDR ARWA20080405](https://openairdocs.org/sdr/ARWA20080405.md): Warning Light · false activation · Apr 24, 2008 · N450ML · Doug DC1030F · Engine Thrust Reverser
  > DURING TAKEOFF ROLL ENGINE NR 3 REVERSER OPEN (REV OIL) LIGHT ON. ABORTED TAKEOFF, RETURNED TO THE RAMP 78-34-4-3. INSPECTED ENGINE THRUST REVERSER, NO DAMAGE NOTED. DEACTIVATED REVERSER AND LOCKED IN ACCORDANCE WITH MM 78-00-01; ENTERED ON DMI NR 21655 IN
- [SDR ARWA20080401](https://openairdocs.org/sdr/ARWA20080401.md): Gcu · malfunctioned · Apr 2, 2008 · N450ML · Doug DC1030F · AC Regulator
  > 24-20-BD 1 BY 3 CHANNEL WILL NOT PARALLEL. RERACKED GCU 1 BY 3; OPERATIONAL CHECK NORMAL IN ACCORDANCE WITH MM 24-20-00.
- [SDR ARWA20080303](https://openairdocs.org/sdr/ARWA20080303.md): Battery · discharged · Mar 3, 2008 · N450ML · Doug DC1030F · Battery/Charger System
  > ON PRE-FLIGHT, FOUND BATTERY VOLTS READS ZERO. REMOVED 02 BATTERY IN ACCORDANCE WITH A/M/M 24-34-01. CHARGED 02 BATTERY IN ACCORDANCE WITH DC-10-A/M/M 24-34-01; REINSTALLED 02 BATTERY IN ACCORDANCE WITH 24-34-01. TEST CHECK OK IN ACCORDANCE WITH A/M/M 24-34
- [SDR ARWA20080101](https://openairdocs.org/sdr/ARWA20080101.md): Mechanism · damaged · Jan 12, 2008 · N450ML · Doug DC1030F · Leading Edge Slat Control System
  > SLAT DISAGREE LIGHT ILLUMINATED WHEN SLATS SELECTED IN POST FLIGHT; INSPECTION FOUND LT INBOARD SLAT DEPLOYED. REMOVED AND REPLACED ASSEMBLY RUN NR 53A, NR 54A, NR 55A, AND NR 56A; NR 55C AND TWO (2) PULLEYS ASSEMBLY ON LT NR 7 AND NR 2 SLAT IN ACCORDANCE WIT
- [SDR ARWA20071206](https://openairdocs.org/sdr/ARWA20071206.md): O-Ring · leaking · Dec 29, 2007 · N450ML · Doug DC1030F · Hydraulic System, Main
  > LOST HYDRAULIC QUANTITY BELOW 6 GALLONS SYSTEM 3; HYDRAULIC SYSTEM 3 ELEVATOR OFF LIGHT "ON". REMOVED AND REPLACED "O" RING AT LOWER FITTING OF REVERSIBLE MOTOR PUMP SHUTOFF VALVE NR 1-3 IN ACCORDANCE WITH M/M 29-22-01; OPERATIONAL CHECK AND LEAK CHECKED IN A
- [SDR ARWA20071204](https://openairdocs.org/sdr/ARWA20071204.md): Wire · damaged · Dec 16, 2007 · N450ML · Doug DC1030F · Engine Exhaust System Wiring
  > DURING INITIAL TAKEOFF ROLL SPOOLING UP NR 1 ENGINE REVERSER PRESSURE LIGHT CAME ON. TRANSFERRED TO DMI NR 21307, MEL 78-1 CAT "C", INSTALLED PLACED AND DEACTIVATED FAN REVERSER IAW DDG. REPAIRED WIRES AT THRUST REVERSER LOCK SWITCH CAM ASSEMBLY THROTTLE MO
- [SDR ARWA20070704](https://openairdocs.org/sdr/ARWA20070704.md): Tire · failed · Jul 10, 2007 · N450ML · Doug DC1030F · Tire
  > NR 7 TIRE BLEW DURING LANDING AT SEGU. REMOVED AND REPLACED NR 7 MAIN WHEEL ASSEMBLY AND BRAKE ASSEMBLY AS PER M/M 32-41-03 AND 32-43-01; ALSO NR 8 TIRE INSPECTED AND FOUND SERVICEABLE TO BE DISPATCHED IN ACCORDANCE WITH ARROW AIR GMM 5-23-7, SECTION "C".
- [SDR ARWA20070502](https://openairdocs.org/sdr/ARWA20070502.md): Tire · failed · May 3, 2007 · N450ML · Doug DC1030F · Tire
  > POST FLIGHT FOUND NR 5 TIRE SHREDDED AND DAMAGE TO AIRCRAFT AND NR 1 ENGINE. [SUP 06-01-07] REMOVED AND REPLACED NR 6 MAIN WHEEL ASSEMBLY IN ACCORDANCE WITH DC-10 M/M 32-41-01.
- [SDR ARWA20070501](https://openairdocs.org/sdr/ARWA20070501.md): Blades · damaged · May 3, 2007 · N450ML · Doug DC1030F · Turbine Engine Compressor Section
  > JUST PRIOR TO ROTATION, DURING TAKEOFF ROLL, A/C SUDDENDLY BEGAN TO VIBRATE, AND DURING INITIAL CLIMB VIBRATION WAS DETERMINED TO BE COMING FROM NR 1 ENGINE. ENGINE WAS SHUTDOWN. [SUP 06-01-07] PERFORMED FULL BOROSCOPE INSPECTION AND FOUND COMPRESSOR SECTIO
- [SDR ARWA20061104](https://openairdocs.org/sdr/ARWA20061104.md): B-Nut · loose · Nov 30, 2006 · N450ML · Doug DC1030F · Hydraulic System, Main
  > LOSS OF HYDRAULIC FLUID IN SYSTEM NR 3 ACCOMPANIED BY "HYDRAULIC SYSTEM NR 3 ELEVATOR OFF LIGHT". FOUND HORIZONTAL STABILIZER UPPER PRIMARY TRIM CONTROL VALVE PRESSURE LINE B-NUT LOOSE; TIGHTENED PRIMARY TRIM CONTROL VALVE PRESSURE LINE "B" NUT IN ACCORDANCE
- [SDR ARWA20061003](https://openairdocs.org/sdr/ARWA20061003.md): Seal · missing · Oct 20, 2006 · N450ML · Doug DC1030F · Pressure Regulator/Outflow Valve
  > LOG PAGE NR 125045. UNABLE TO CONTROL PRESSURE IN NORM, AUT, IN MAN CABIN START CLIMB WITH OUTFLOW VALVE FULLY CLOSED. FOUND SEAL MISSING ON OUT-FLOW BUTTERFLY VALVE; INSTALLED SEAL; ON OPERATIONAL CHECK FOUND NORMAL IAW MM 21-30-00.

## 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 = 'N450ML' AND deregistration_id = 'N450ML-2013-05-14'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N450ML-2013-05-14/reports

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