# Service difficulty reports: N956DN, cancelled Aug 25, 2020

A list on [N956DN, cancelled Aug 25, 2020](https://openairdocs.org/deregistered/N956DN-2020-08-25.md).

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

- [SDR DALA2017101207481](https://openairdocs.org/sdr/DALA2017101207481.md): Ground Wire · disconnected · Oct 11, 2017 · N956DN · Doug MD9030 · Light System Wiring
  > CEILING EMERGENCY LIGHT INOPERATIVE AT ROW 25. FOUND A DISCONNECTED GROUND WIRE, RECONNECTED & OPS CHECKED GOOD.
- [SDR DALA2017071905619](https://openairdocs.org/sdr/DALA2017071905619.md): Slide · failed · Jul 18, 2017 · N956DN · Doug MD9030 · Escape Slide
  > FORWARD ENTRY SLIDE FAILED CHECK. INSTALLED NEW SLIDE. OPERATION CHECKS GOOD.
- [SDR DALA2016070905238](https://openairdocs.org/sdr/DALA2016070905238.md): Gearbox · missing · Jul 8, 2016 · N956DN · Doug MD9030 · Stabilizer Control System
  > PRIMARY TRIM MOTOR HORN RUNS CONTINUOUSLY. FOUND GEARBOX NOT INSTALLED. INSTALLED GEARBOX AND NEW PRIMARY LONGITUDINAL DRIVE MOTOR PER MM. OPERATION CHECKS OK.
- [SDR DALA2016060704493](https://openairdocs.org/sdr/DALA2016060704493.md): Unknown · odor · Jun 3, 2016 · N956DN · Doug MD9030 · Air Distribution System
  > ODOR THROUGHOUT CABIN WITH PACKS ON, APU RUNNING. MAINTENANCE FOUND APU DOORS WITH HYDRAULIC FLUID. CLEANED WHEEL WELLS, BELLY, 48 SECTION, APU, AND APU INLET. PERFORMED DUCT BURNOUT AND REPLACED COALESCER BAGS. OK FOR SERVICE.
- [SDR DALA2016052404285](https://openairdocs.org/sdr/DALA2016052404285.md): Former · damaged · May 23, 2016 · N956DN · Doug MD9030 · Vertical Stabilizer, Spar/Rib
  > DAMAGE FOUND ON FORMER ZFS 174 ON VERTICAL STABILIZER TIP STRUCTURE. COMPLIED WITH PRI/ERA 547179-14.
- [SDR DALA2016052404284](https://openairdocs.org/sdr/DALA2016052404284.md): Jackscrew · cracked · May 23, 2016 · N956DN · Doug MD9030 · Flight Control System
  > FOUND 2 CRACKS AT JACKSCREW WEB JUST BELOW GIMBAL NUT. COMPLY WITH PRI/ERA 547114-14.
- [SDR DALA2016032102287](https://openairdocs.org/sdr/DALA2016032102287.md): Anti-Skid Sys · malfunctioned · Mar 18, 2016 · N956DN · Doug MD9030 · Brake Anti-Skid Section
  > ON LANDING, THE LMG TIRE BLEW. MSG'S ANTI-SKID FAULT AND LOW ANTI-SKID. AACU BRAKE DISARM DATA FAULTS IBCV 1. REPLACED IBCV 1, AACU LAST LEG FAULTS LOW WHEEL, NO TURN. REPLACED LI/LO DACM'S. ALSO REPLACED LO/LI WHEEL SPEED TRANSDUCERS, LO/ LI TIRES REPLACE
- [SDR DALA2016031401936](https://openairdocs.org/sdr/DALA2016031401936.md): Pad · corroded · Mar 10, 2016 · N956DN · Doug MD9030 · Fuselage Main, Attach Fittings
  > FORWARD LAVATORY ASSY, AFT INBD MOUNT PAD CORRODED. REMOVED AND INSTALLED FLOOR MOUNT IAW CMM AND PRI ERA 544507-14, REV O.
- [SDR DALA2016031401935](https://openairdocs.org/sdr/DALA2016031401935.md): Pad · corroded · Mar 10, 2016 · N956DN · Doug MD9030 · Fuselage Main, Attach Fittings
  > FORWARD LAVATORY ASSY, AFT OTBD MOUNT PAD CORRODED. REMOVED AND INSTALLED FITTING IAW CMM AND PRI/ERA 544507-14, REV O.
- [SDR DALA2016030401665](https://openairdocs.org/sdr/DALA2016030401665.md): Seat Track · corroded · Mar 3, 2016 · N956DN · Doug MD9030 · Fuselage, Seat/Cargo Attach Fittings
  > FORWARD LAVATORY CORROSION ON CENTER SEAT TRACK, BS 218-228. REPAIRED IAW PRI/ERA 544412-14, REV O.
- [SDR DALA2016030401663](https://openairdocs.org/sdr/DALA2016030401663.md): Skin · cracked · Mar 3, 2016 · N956DN · Doug MD9030 · Fuselage Main, Plate/Skin
  > TAIL EXTERIOR SKIN CRACK AT BS 1437, 6" ABOVE LT PYLON. REPAIRED IAW ERA 544369-14, REV O.
- [SDR DALA2017020801733](https://openairdocs.org/sdr/DALA2017020801733.md): Skin · cracked · Mar 1, 2016 · N956DN · Doug MD9030 · Fuselage Main, Plate/Skin
  > SKIN CRACK LOCATED AT BS 1437, STRINGER 13L LAP JOINT.
- [SDR DALA2016030401664](https://openairdocs.org/sdr/DALA2016030401664.md): Skin · damaged · Mar 1, 2016 · N956DN · Doug MD9030 · Fuselage Main, Plate/Skin
  > BS 16., L29L, LIFTED PAINT AT FORWARD END OF LONGERON AND DEBRIS ON THE OTHER SIDE. REPLACED LONGERON IAW SRM 51-10-00.
- [SDR DALA2016030101594](https://openairdocs.org/sdr/DALA2016030101594.md): Intercostal · corroded · Feb 27, 2016 · N956DN · Doug MD9030 · Fuselage Miscellaneous Structure
  > FORWARD LAV INSPECTION AREA INTERCOSTAL CORRODED, LBL32, BS 256. R & R INTERCOSTAL IAW DWG 5930544.
- [SDR DALA2015021701279](https://openairdocs.org/sdr/DALA2015021701279.md): Bulb · inoperative · Feb 16, 2015 · N956DN · Doug MD9030 · Emergency Lighting
  > MIDDLE OVERHEAD EMERGENCY LIGHT FWD OF AFT RAFT COMPARTMENT BULBS INOPERATIVE. REPLACED THE BULBS. OPS CHECKED GOOD.
- [SDR DALA2015012800681](https://openairdocs.org/sdr/DALA2015012800681.md): Line · disconnected · Jan 27, 2015 · N956DN · Doug MD9030 · Landing Gear Brake System
  > FLIGHT CREW NOTICED IT TOOK MORE POWER THAN NORMAL TO TAXI TO GATE. BRAKE TEMPERATURE WAS NORMAL. APPROACHED GATE, BRAKE TEMP BEGAN TO RISE. TEMP ROSE TO MAX AND BRAKE BEGAN TO SMOKE. FIRE DEPARTMENT EXTINGUISHED A SMALL FLAME. MAINTENANCE FOUND NR 1 BRA
- [SDR DALA14033989256](https://openairdocs.org/sdr/DALA14033989256.md): Skin · corroded · Jun 5, 2014 · N956DN · Doug MD9030 · Fuselage Main, Plate/Skin
  > CORROSION ON INTERIOR SKIN 6 INCHES AFT OF BS 1211 NEAR C3 BEAM AFT CARGO. REPAIRED DURING C-CHECK.
- [SDR DALA14033969256](https://openairdocs.org/sdr/DALA14033969256.md): Shear Tie · cracked · Jun 4, 2014 · N956DN · Doug MD9030 · Fuselage Internal Mounting Structure
  > DURING HFEC, FOUND CRACKS EMANATING FROM FASTENER HOLE, BS 1475, L2R. REMOVED FASTENERS, CLIPS AND SHEAR TIE. FABRICATED AND INSTALLED SHEAR TIE AND SKATE ANGLE IAW ERA 526295-14, REV O.
- [SDR DALA14033959256](https://openairdocs.org/sdr/DALA14033959256.md): Frame · cracked · Jun 4, 2014 · N956DN · Doug MD9030 · Fuselage Main, Frame
  > DURING HFEC, FOUND LT SIDE OVERWING FRAME BS 962 IS CRACKED. R & R FRAME IAW AMDS WC 5310-01375-0302.
- [SDR DALA14033949256](https://openairdocs.org/sdr/DALA14033949256.md): Frame · cracked · Jun 4, 2014 · N956DN · Doug MD9030 · Fuselage Main, Frame
  > LEFT SIDE OVERWING FRAME BS 962, IS CRACKED. R & R LEFT OVERWING FRAME IAW WC 5310-01375-0302.
- [SDR DALA14033599256](https://openairdocs.org/sdr/DALA14033599256.md): Skin · corroded · Jun 4, 2014 · N956DN · Doug MD9030 · Fuselage Main, Plate/Skin
  > CORROSION ON INTERIOR SKIN, 6 INCHES AFT OF BS 1211. REPAIRED IAW ERA 526299-14, REV O.
- [SDR DALA14033609256](https://openairdocs.org/sdr/DALA14033609256.md): Seal Depressor · corroded · Jun 2, 2014 · N956DN · Doug MD9030 · Fuselage Miscellaneous Structure
  > DURING C CHECK, CORROSION FOUND ADJACENT TO THE C3 BEAM AND SEAL DEPRESSOR APPROXIMATELY AT BS 1220. ERA 526299-14, SECTION I REPAIR WAS ACCOMPLISHED.
- [SDR DALA14032969256](https://openairdocs.org/sdr/DALA14032969256.md): Frame · cracked · May 29, 2014 · N956DN · Doug MD9030 · Fuselage Main, Frame
  > CANTED FRAME BS 1520 FORWARD AND AFT WEBS CRACKED LT SIDE. REPAIRED CANTED FRAME IAW ERA 526282-14, REV O.
- [SDR DALA14032959256](https://openairdocs.org/sdr/DALA14032959256.md): Frame · cracked · May 29, 2014 · N956DN · Doug MD9030 · Fuselage Main, Frame
  > CANTED FRAME, BS 1542 FORWARD AND AFT WEBS CRACKED LT SIDE. CUT OUT CRACKED FRAME AND HFEC. REPAIRED IAW SRM 53-10-03, PARA 14.
- [SDR DALA13043429256](https://openairdocs.org/sdr/DALA13043429256.md): Power Supply · inoperative · Sep 7, 2013 · N956DN · Doug MD9030 · Emergency Lighting
  > DURING SERVICE CHECK, FOUND EXIT SIGN IN AISLE ABOVE SEAT/ROW 1 INOPERATIVE. R & R POWER SUPPLY IAW AMM. OPERATION CHECKS GOOD.
- [SDR DALA13043419256](https://openairdocs.org/sdr/DALA13043419256.md): Power Supply · inoperative · Sep 7, 2013 · N956DN · Doug MD9030 · Emergency Lighting
  > DURING SERVICE CHECK, EMERGENCY LIGHT AT CATWALK FORWARD END, IN TAIL COMPARTMENT, INOPERATIVE. R & R POWER SUPPLY IN RT LAVATORY IAW MM. OPS CHECKS GOOD.
- [SDR DALA13011219256](https://openairdocs.org/sdr/DALA13011219256.md): Light · missing · Mar 9, 2013 · N956DN · Doug MD9030 · Emergency Lighting
  > DURING SERVICE CHECK, FOUND FIRST EMERGENCY ESCAPE RAMP LIGHT MISSING, BS 1465. INSTALLED LIGHT ASSY IAW WDM.
- [SDR DALA1237679256](https://openairdocs.org/sdr/DALA1237679256.md): Beam · corroded · Jun 16, 2012 · N956DN · Doug MD9030 · Fuselage Main, Structure
  > FOUND AFT CARGO BAY BS 1212-1269 L28R LOWER DOOR FRAME HEADER BEAM IS CORRODED. REMOVED AND REPLACED HEADER BEAM IAW SRM 51-30-05 VOL II AND DWG 5936038-501.
- [SDR DALA1237669256](https://openairdocs.org/sdr/DALA1237669256.md): Beam · corroded · Jun 16, 2012 · N956DN · Doug MD9030 · Fuselage Main, Structure
  > FOUND MID CARGO BAY BS 693-750 L28R LOWER DOOR FRAME HEADER BEAM IS CORRODED. REMOVED DAMAGED JAMB HEADER BEAM, LOCATED, DRILLED AND INSTALLED NEW HEADER BEAM IAW SRM 51-10-05, 51-30-02, 51-30-01, 51-30-05 VOL II AND DWG 5930481.
- [SDR DALA1237659256](https://openairdocs.org/sdr/DALA1237659256.md): Bulkhead · corroded · Jun 16, 2012 · N956DN · Doug MD9030 · Fuselage Main, Bulkhead
  > FOUND AFT PRESSURE BULKHEAD FWD FACE AT BOTTOM, Y CHORD DOUBLER CORRODED BETWEEN L28L - L29R BS 1395. REMOVED DAMAGED Y-CHORD DOUBLER, LOCATED AND DRILLED NEW DOUBLER AND INSTALLED DOUBLER IAW SRM 51-30-02 VOL II, SRM 51-30-05 VOL II, SRM 51-10-05 VOL II AND
- [SDR DALA1237519256](https://openairdocs.org/sdr/DALA1237519256.md): Seat Track · corroded · Jun 14, 2012 · N956DN · Doug MD9030 · Fuselage, Seat/Cargo Attach Fittings
  > FOUND SEAT TRACK AT BS 1288 LBL 44 IS CORRODED BEYOND LIMITS. REMOVED SEAT TRACK SECTION DIM 105 INCH IAW SRM 53-40-01 FIG 6. FABRICATED NEW SEAT TRACK, LOCATED AND DRILLED SEAT TRACK REPAIR SPLICE, PLATE IAW SRM 53-40-01 FIG 6. TREATED AND PRIMED SEAT TRAC
- [SDR DALA1237499256](https://openairdocs.org/sdr/DALA1237499256.md): Seat Track · corroded · Jun 14, 2012 · N956DN · Doug MD9030 · Fuselage, Seat/Cargo Attach Fittings
  > FOUND MAIN CABIN SEAT TRACK FS 256 RBL 22 IS CORRODED. CUTOUT DAMAGED SEAT TRACK BS 300-275 RBL 22 IAW SRM VOL1 53-40-01 FIG 6. TRIMMED AND LOCATED NEW SEAT TRACK, PLATE AND SPLICE IAW SRM 33-40-01 FIG 6. TREATED AND PRIMED PARTS IAW SRM 51-10-03. INSTALLE
- [SDR DALA1237489256](https://openairdocs.org/sdr/DALA1237489256.md): Pan · corroded · Jun 14, 2012 · N956DN · Doug MD9030 · Fuselage Miscellaneous Structure
  > FOUND FWD CARGO BAY BS 370-427 L28R LOWER DOOR FRAME PAN CORRODED. REMOVED AND REPLACED LOWER DOOR FRAME PAN. FABRICATED AND INSTALLED 4 SPLICE PLATES IAW SRM VOL 1 53-60-02 FIG 11.
- [SDR DALA1237479256](https://openairdocs.org/sdr/DALA1237479256.md): Cargo Track · corroded · Jun 14, 2012 · N956DN · Doug MD9030 · Fuselage, Seat/Cargo Attach Fittings
  > FOUND CARGO TRACK BS 583-522 CORRODED. REMOVED DAMAGED CARGO TRACK FROM FS 427-583, FABRICATED AND INSTALLED NEW TRACK IAW SRM 53-40-01 FIG 7 AND SRM 51-30-01 VOL 2.
- [SDR DALA1237469256](https://openairdocs.org/sdr/DALA1237469256.md): Longeron · cracked · Jun 14, 2012 · N956DN · Doug MD9030 · Fuselage Main, Longeron/Stringer
  > FOUND LONGERON 20L BS 1050 IS CRACKED. TRIMMED OUT DAMAGED AREA, FABRICATED TWO REPAIR ANGLES, SHIM AND INSTALLED REPAIR PARTS AT LONGERON 20 IAW SRM 53-10-01 FIG 9.
- [SDR DALA1237459256](https://openairdocs.org/sdr/DALA1237459256.md): Cargo Track · corroded · Jun 14, 2012 · N956DN · Doug MD9030 · Fuselage, Seat/Cargo Attach Fittings
  > FOUND FWD CARGO TRACK CORRODED FROM BS 218 TO 522. REMOVED CARGO TRACK AND INSTALLED NEW TRACK AND SPLICE IAW SRM 53-40-01 FIG 7 AND 53-30-01.
- [SDR DALA1237449256](https://openairdocs.org/sdr/DALA1237449256.md): Pressure Blkhd · damaged · Jun 14, 2012 · N956DN · Doug MD9030 · Fuselage Main, Bulkhead
  > FOUND AFT PRESSURE DOME HAS DAMAGE FWD FACE LONGERON 28L TO 29R. CUTOUT DAMAGED AREA AT AFT PRESSURE DOME. FABRICATED REPAIR PARTS AND INSTALLED REPAIR PARTS IAW SRM 53-10-03 FIG 1 VOL 1.
- [SDR DALA1235139256](https://openairdocs.org/sdr/DALA1235139256.md): Frame · corroded · Jun 1, 2012 · N956DN · Doug MD9030 · Fuselage Main, Frame
  > DURING HMV/MOD, FOUND AFT PIT FRAME 1307 CORRODED. REMOVED FLOOR SUPPORT ANGLE, REMOVED CORROSION FOUND TO BE OUT OF LIMITS. CUTOUT SECTION OF FRAME STA 1307 L26L TO 26R, LOCATED, DRILLED AND INSTALLED FRAME AND REPAIR PARTS IAW SRM 53-10-02 FIG 2.
- [SDR DALA1235129256](https://openairdocs.org/sdr/DALA1235129256.md): Frame · corroded · Jun 1, 2012 · N956DN · Doug MD9030 · Fuselage Main, Frame
  > DURING HMV/MOD, FOUND AFT FRAME 1288 CORRODED. REMOVED CORRODED FRAME SECTION, LOCATED, DRILLED AND INSTALLED FRAME SECTION AND REPAIR PARTS IAW SRM 53-10-02 FIG 2 VOL1.
- [SDR DALA1235109256](https://openairdocs.org/sdr/DALA1235109256.md): Frame · corroded · Jun 1, 2012 · N956DN · Doug MD9030 · Fuselage Main, Frame
  > DURING HMV/MOD, FOUND AFT PIT FRAME 1328 HEAVILY CORRODED. CUTOUT DAMAGED FRAME SECTION, LOCATED, DRILLED AND INSTALLED REPAIR IAW SRM 53-10-02 FIG 2 VOL I.
- [SDR DALA1235089256](https://openairdocs.org/sdr/DALA1235089256.md): Tee Fitting · damaged · Jun 1, 2012 · N956DN · Doug MD9030 · Fuselage Main, Bulkhead
  > DURING HMV/MOD, FOUND AFT PRESSURE BULKHEAD LOWER TEE CAP HAS TOOLING MARKS ON FWD FACE. CUT-OUT DAMAGED BULKHEAD LOWER TEE CAP, LOCATED AND DRILLED NEW TEE CAP SECTION. FABRICATED TEE CAP REPAIR PARTS AND INSTALLED REPAIR PARTS IAW ER/A 501860-14 REV ORIG.
- [SDR DALA1232299256](https://openairdocs.org/sdr/DALA1232299256.md): Seat Track · corroded · May 16, 2012 · N956DN · Doug MD9030 · Fuselage, Seat/Cargo Attach Fittings
  > DURING HMV, FOUND MAIN PASSENGER CABIN SEAT TRACK LT OTBD AREA BS 788 TO 807 CORRODED. CUT-OUT DAMAGED SEAT TRACK SECTION FROM FS 731.5 TO FS 826 LT, TRIMMED, LOCATED AND DRILLED NEW SEAT TRACK & SPLICES AND INSTALLED IAW SRM 53-40-01 FIG 6.
- [SDR DALA1232289256](https://openairdocs.org/sdr/DALA1232289256.md): Seat Track · damaged · May 16, 2012 · N956DN · Doug MD9030 · Fuselage, Seat/Cargo Attach Fittings
  > DURING HMV, FOUND SEAT TRACK MAIN CABIN LT INBD HAS DRILL START NEXT TO FASTENER HOLE AT BS 1296. CUT OUT DAMAGED SEAT TRACK BS 1227.5 TO 1364 IAW SRM 51-30-01 VOL II. TRIMMED, LOCATED AND INSTALLED SEAT TRACK AND SPLICE IAW SRM 53-40-01 FIG 6.

## 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 = 'N956DN' AND deregistration_id = 'N956DN-2020-08-25'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N956DN-2020-08-25/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.