# Service difficulty reports: N720AX, cancelled Dec 18, 2012

A list on [N720AX, cancelled Dec 18, 2012](https://openairdocs.org/deregistered/N720AX-2012-12-18.md).

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

- [SDR CNMA20110010](https://openairdocs.org/sdr/CNMA20110010.md): Coalescer Bag · odor · Apr 11, 2011 · N720AX · Doug DC1030 · Humidity Control System
  > OILY BURNING ODOR THROUGHOUT CABIN AND FLIGHT DECK. AFTER REPLACEMENT OF NR 1 PACK & COALESER BAGS, RAN ENGINES AT MPA ONE AT A TIME & ISOLATED PNEUMATICS, NO OBVIOUS ODOR ON FLT DECK, CABIN OR LOWER GALLEY AREA.
- [SDR CNMA20100027](https://openairdocs.org/sdr/CNMA20100027.md): Control Handle · malfunctioned · Jul 2, 2010 · N720AX · Doug DC1030 · Landing Gear Selector
  > LANDING GEAR HANDLE WOULD NOT COME UP. FOLLOWED QRH PROCEDURE, RETURNED TO DEPARTURE. JACK ACFT IAW MM-07-11, PERFORM EXTENSION & RETRACTION OF ALL MLG'S. OPS CKS NORMAL AIW MM 32-30 DOWN JACK ACFT IAW MM 07-11.
- [SDR CNMA20090124](https://openairdocs.org/sdr/CNMA20090124.md): Battery Pack · inoperative · Feb 2, 2009 · N720AX · Doug DC1030 · Emergency Lighting
  > EMERGENCY LIGHT WOULD NOT PASS TEST. EMERG LIGHT BATTERY PACK POS "OVERWING" REPLACED AND TESTED IAW AMM 33-50-00, PASSED OK.
- [SDR CNMA20090123](https://openairdocs.org/sdr/CNMA20090123.md): Floorbeam · corroded · Feb 2, 2009 · N720AX · Doug DC1030 · Fuselage Main, Keel
  > BS1256, RBL 28-46, THERE IS A CRACK ON THE FLOORBEAM. DAMAGED FLOORBEAM REMOVED, NEW FABRICATED IAW SRM VOL 3, 53-14-01 FIG 5 AND GMM 4.45 AND INSTALLED FASTENERS IAW SRM VOL 2, 51-31-01.
- [SDR CNMA20090122](https://openairdocs.org/sdr/CNMA20090122.md): Floorbeam · cracked · Feb 2, 2009 · N720AX · Doug DC1030 · Fuselage Main, Floor Beam
  > BS1239, LBL 48-74 THERE IS A CRACK ON THE FLOORBEAM. DAMAGED FLOORBEAM REMOVED, NEW FABRICATED. IAW SRM VOL 3, 57-14-01 FIG 5 AND OMNI GMM 4.45. INSTALLED FASTENERS IAW SRM VOL.2. 51-31-01.
- [SDR CNMA20090121](https://openairdocs.org/sdr/CNMA20090121.md): Floorbeam · cracked · Feb 2, 2009 · N720AX · Doug DC1030 · Fuselage Main, Floor Beam
  > BS 1239 LBL 29-46 THERE IS A CRACK ON THE FLOORBEAM. DAMAGED FLOORBEAM REMOVED, NEW FABRICATED IAW SRM VOL 3. 53-14-01 FIG 5 AND GMM 4.45 AND INSTALLED FASTENERS IAW SRM VOL 2. 51-21-01.
- [SDR CNMA20090120](https://openairdocs.org/sdr/CNMA20090120.md): Floor Support · corroded · Feb 2, 2009 · N720AX · Doug DC1030 · Fuselage Miscellaneous Structure
  > BS 1964, LBL 62 CORROSION ON FLOOR SUPPORT. GMM 4.45 AND INSTALLED WITH FASTENERS IAW SRM VOL 2, 51-31-01.
- [SDR CNMA20090119](https://openairdocs.org/sdr/CNMA20090119.md): Seat Track · corroded · Feb 2, 2009 · N720AX · Doug DC1030 · Fuselage, Seat/Cargo Attach Fittings
  > BS 1887-1941, LBL 27, CORROSION ON SEAT TRACK. DAMAGED SEAT-TRACK PORTION REMOVED, REINFORCED AREA WITH NEW PORTION OF SEAT-TRACK AND SPLICE. IAW SRM VOL 1, 53-70-00, FIG 1. INSTALLED FASTENERS IAW SRM VOL 2, 51-31-01.
- [SDR CNMA20090118](https://openairdocs.org/sdr/CNMA20090118.md): Support · corroded · Feb 2, 2009 · N720AX · Doug DC1030 · Fuselage Miscellaneous Structure
  > BS 1900-1964, LBL 52, CORROSION ON GALLEY SUPPORT. DAMAGED GALLEY SUPPORT REMOVED AND NEW INSTALLED USING FASTENERS, IAW SRM VOL 2, 51-31-01.
- [SDR CNMA20090117](https://openairdocs.org/sdr/CNMA20090117.md): Track · corroded · Feb 2, 2009 · N720AX · Doug DC1030 · Fuselage Miscellaneous Structure
  > B/T STA 457 AND STA 475, LBL 58, CORROSION ON TRACK. (HOLE AREA) DAMAGED AREA TRIMMED-OUT. REINFORCED AREA WITH DOUBLERS AND FILLERS IAW SRM VOL 1, 53-00-01 FIG, 2 INSTALLED FASTENERS IAW SRM VOL 2, 51-31-01.
- [SDR CNMA20090116](https://openairdocs.org/sdr/CNMA20090116.md): Floor Support · corroded · Feb 2, 2009 · N720AX · Doug DC1030 · Fuselage Miscellaneous Structure
  > B/T STA 457 AND STA 515 BL-0 CORROSION ON FLOOR SUPPORT. DAMAGED FLOOR SUPPORT AND NEW PART INSTALLED USING FASTENERS IAW SRM VOL 2, 51-31-01 NAS 517-2-6 B/N: 749-19-03, MS21032L3, B/N: 513300459.
- [SDR CNMA20090115](https://openairdocs.org/sdr/CNMA20090115.md): Floor Support · corroded · Feb 2, 2009 · N720AX · Doug DC1030 · Fuselage Miscellaneous Structure
  > B/T STA 401 AND STA 428 LBL 20 CORROSION ON FLOOR SUPPORT. DAMAGED FLOOR SUPPORT REMOVED AND NEW PN:ABA7-334-1 INSTALLED FASTENERS IAW SRM VOL.2.
- [SDR CNMA20090114](https://openairdocs.org/sdr/CNMA20090114.md): Floor Support · corroded · Feb 2, 2009 · N720AX · Doug DC1030 · Fuselage Miscellaneous Structure
  > B/T STA 401 AND STA 428, RBL 20 CORROSION ON FLOOR SUPPORT. DAMAGED FLOOR SUPPORT REMOVED, NEW FLOOR SUPPORT INSTALLED. INSTALLED FASTENERS IAW SRM VOL 2 51-31-01.
- [SDR CNMA20090113](https://openairdocs.org/sdr/CNMA20090113.md): Floorbeam · torn · Feb 2, 2009 · N720AX · Doug DC1030 · Fuselage Main, Floor Beam
  > BS1871, RBL45, FLOORBEAM IS TORN. TORN FLOORBEAM REMOVED FABRICATEDNEW FLOORBEAM IAW SRM VOL 3, 53-14-01 FIG 5 AND GMM 4.45 AND INSTALLED FASTENERS IAW SRM VOL 3, 51-31-01.
- [SDR CNMA20090112](https://openairdocs.org/sdr/CNMA20090112.md): Floorbeam · corroded · Feb 2, 2009 · N720AX · Doug DC1030 · Fuselage Main, Floor Beam
  > BS1941, RBL40 CORROSION ON FLOORBEAM. DAMAGED FLOORBEAM REMOVED. FABRICATED NEW FLOORBEAM IAW SRM VOL 3, 53-16-01 FIG 8 GMM 4.45 AND INSTALLED FASTENERS IAW SRM VOL 2, 51-31-01.
- [SDR CNMA20090111](https://openairdocs.org/sdr/CNMA20090111.md): Floorbeam · corroded · Feb 2, 2009 · N720AX · Doug DC1030 · Fuselage Main, Floor Beam
  > BS 1964, RBL 43-46 CORROSION ON FLOORBEAM. DAMAGED FLOORBEAM REMOVED, AND NEW FABRICATED IAW SRM VOL 3, 53-16-01 FIG 8 AND GMM 4-45. INSTALLED FASTENERS IAW SRM VOL 2, 51-31-01.
- [SDR CNMA20090110](https://openairdocs.org/sdr/CNMA20090110.md): Support · corroded · Feb 2, 2009 · N720AX · Doug DC1030 · Fuselage Miscellaneous Structure
  > STA 1941, RBL 52 CORROSION ON GALLEY SUPPORT AROUND NUT PLATES. DAMAGED GALLEY SUPPORT REMOVED AND NEW FASTENERS INSTALLED IAW SRM VOL 2, 51-31-01,
- [SDR CNMA20090109](https://openairdocs.org/sdr/CNMA20090109.md): Web · corroded · Feb 2, 2009 · N720AX · Doug DC1030 · Cargo/Baggage Doors
  > CORROSION ON CTR CARGO DOOR WEB NEAR LATCHES. DAMAGED AREA TRIMMED-OUT. REINFORCED AREA WITH DOUBLER AND FILLERS IAW SRM VOL 1, 53-00-01, FIG 10 AND INSTALLED FASTENERS IAW SRM VOL 2, 51-31-01.
- [SDR CNMA20090108](https://openairdocs.org/sdr/CNMA20090108.md): Floor Support · corroded · Feb 2, 2009 · N720AX · Doug DC1030 · Fuselage Miscellaneous Structure
  > STA 1964, RBL 62 CORROSION ON FLOOR SUPPORT. CORRODED FLOOR SUPPORT REMOVED NEW FABRICATED PN: OAI-53-0017 IAW SRM VOL.3 53-16-01 FIG 8 AND GMM 4.45 AND INSTALLED WITH FASTENERS IAW SRM VOL 2 51-31-01.
- [SDR CNMA20090107](https://openairdocs.org/sdr/CNMA20090107.md): Skin · corroded · Feb 2, 2009 · N720AX · Doug DC1030 · Leading Edge Devices
  > LT WING, SLAT 2, OTBD GAP STRAP HAS SURFACE CORROSION AND MISSING RIVETS. DAMAGED AREA TRIMMED OUT REINFORCED AREA WITH NEW SLAT SEAL REPAIR IAW SRM VOL 1, 57-10-00, FIG 32. INSTALLED FASTENERS IAW SRM VOL 2, 51-31-01.
- [SDR CNMA20090106](https://openairdocs.org/sdr/CNMA20090106.md): Floorbeam · torn · Feb 2, 2009 · N720AX · Doug DC1030 · Fuselage Main, Floor Beam
  > STA 1821, BL-0 UPPER FLANGE OF FLOORBEAM IS TORN (UNDER CENTER RAIL). DAMAGED AREA TRIMMED OUT. REINFORCED AREA WITH ANGLES AND E FILLERS IAW SRM 53-00-01 FIG 2. INSTALLED FASTENERS IAW SRM VOL 2 51-31-01.
- [SDR CNMA20090105](https://openairdocs.org/sdr/CNMA20090105.md): Support Angle · corroded · Feb 2, 2009 · N720AX · Doug DC1030 · Fuselage Miscellaneous Structure
  > STA 832, LBL 12 DEEP CORROSION ON SUPPORT ANGLE. DAMAGED AREA TRIMMED OUT. REINFORCED AREA WITH ANGLE IAW SRM VOL1, 53-00-01 FIG 8. INSTALLED FASTENERS IAW SRM VOL 2, 51-31-01.
- [SDR CNMA20090104](https://openairdocs.org/sdr/CNMA20090104.md): Floorbeam · corroded · Feb 2, 2009 · N720AX · Doug DC1030 · Fuselage Main, Floor Beam
  > STA 878, B/T LBL28 AND LBL60 DEEP CORROSION ON FLOORBEAM. DAMAGED FLOORBEAM REMOVED, NEW FABRICATED IAW SRM VOL 3, 53-13-01 FIG 24 AND GMM 4.45. INSTALLED FASTENERS IAW SRM VOL 2, 51-31-01.
- [SDR CNMA20090103](https://openairdocs.org/sdr/CNMA20090103.md): Frame · corroded · Feb 2, 2009 · N720AX · Doug DC1030 · Fuselage Main, Frame
  > STA 879, RBL 50 CORROSION AND DENT ON WEB OF FRAME. DAMAGED AREA TRIMMED OUT. REINFORCED AREA WITH DOUBLER AND FILLER PN: N720AX-NRC361-11-2 IAW SRM VOL 1, 53-00-01, FIG 10 USING FASTENERS IAW SRM VOL 2, 51-31-01.
- [SDR CNMA20070001](https://openairdocs.org/sdr/CNMA20070001.md): Compressor · damaged · Jan 3, 2007 · N720AX · Doug DC1030 · Turbine Engine Compressor Section
  > NR 2 ENGINE FAILED ON TAKEOFF ROLL AT 70KTS TAKEOFF ABORTED. N1 WAS 103.0 EGT PEGGED. RAN ENGINE FIRE SEVERE DAMAGE CHECK LIST NO FIRE. R & R NR 2 ENGINE IAW 10UN-201. ENGINE S/N 517-533 INSPECTION REVEALED NO SIGNS OF FOD TO THE COMPRESSOR SECTION BUT HEAVY
- [SDR CNMA20060013](https://openairdocs.org/sdr/CNMA20060013.md): Smoke Detector · malfunctioned · May 29, 2006 · N720AX · Doug DC1030 · Smoke Detection
  > LAV -A- SMOKE DETECTOR ACTIVATED IN FLIGHT, NO SMOKE OBSERVED. INSPECTED, NO DEFECTS NOTED. REPLACED LAVATORY SMOKE DETECTOR PRECAUTIONARY IAW SMM 26-14. UNIT REPAIRED FRONT DAMAGED REPLACED FRONT.
- [SDR 2004000014](https://openairdocs.org/sdr/2004000014.md): Slide · failed · Oct 15, 2004 · N720AX · Doug DC1030 · Escape Slide
  > L-3 SLIDE/RAFT DID NOT FULLY DEPLOY DURING ACCOMPLISHMENT OF OMNI AIR WORKCARD 101C-744 (FUNCTIONAL CHECK OF SLIDE/RAFT FOR C-CHECK REQUIREMENTS) SLIDE/RAFT ASPIRATOR PART NUMBER 31002-201 SEPARATED FROM RAFT DUE TO IMPROPER INSTALLATION OF RETAINING RING.
- [SDR CNMA200100037](https://openairdocs.org/sdr/CNMA200100037.md): Battery Pack · Dec 14, 2001 · N720AX · Doug DC1030 · Emergency Lighting
  > EMERG. LITES WILL NOT GIVE GREE LITE DURING TEST-ALL LIGHTS OPERATEFOUND MID CABIN EMERG LITES POWER SUPPLY INOP R/R MIDCABIN PWR SUPPLY OPS CKD NORMALLY PER M/M 33-51
- [SDR CNMA200100023](https://openairdocs.org/sdr/CNMA200100023.md): Battery Pack · discharged · Apr 26, 2001 · N720AX · Doug DC1030 · Emergency Lighting
  > EMERGENCY LIGHTS DO NOT TEST. REPLACED MID CABIN BATTERY PACK.
- [SDR CNMA200100022](https://openairdocs.org/sdr/CNMA200100022.md): Battery Pack · discharged · Apr 16, 2001 · N720AX · Doug DC1030 · Emergency Lighting
  > L1 AND R1 DOOR EMERGENCY LIGHTS ILLUMINATE INTERMITTENTLY. REPLACED BOTH L1 AND R1 EMERGENCY LIGHT BATTERY PACKS.
- [SDR CNMA200100021](https://openairdocs.org/sdr/CNMA200100021.md): Battery Pack · discharged · Apr 10, 2001 · N720AX · Doug DC1030 · Emergency Lighting
  > EMERGENCY LIGHT TEST FAILED. REPLACED NR 4 EMERGENCY LIGHTING POWER SUPPLY AND BATTERY.
- [SDR CNMA200100010](https://openairdocs.org/sdr/CNMA200100010.md): Angle · corroded · Dec 13, 2000 · N720AX · Doug DC1030 · Fuselage Miscellaneous Structure
  > NR 1 AIR CONDITION BAY INTERCOSTAL ATTACH ANGLE AT FS 585 CORRODED AFT OF NR 1 PACK EXHAUST DUCT. REMOVED INTERCOSTAL, TREATED AND PRIMED. FABRICATED NEW ATTACH ANGLE AND INSTALLED INTERCOSTAL IAW SRM 51-31-01.
- [SDR CNMA200100009](https://openairdocs.org/sdr/CNMA200100009.md): Floorbeam · cracked · Dec 11, 2000 · N720AX · Doug DC1030 · Fuselage Main, Floor Beam
  > LOWER CENTER CARGO COMPARTMENT FLOOR SUPPORT BEAM HAS A 13 INCH CRACK. REMOVED DAMAGED AREA AND REPAIRED IAW SRM 53-60-01.

## 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 = 'N720AX' AND deregistration_id = 'N720AX-2012-12-18'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N720AX-2012-12-18/reports

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