# SDR DALA2020021801212

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 17, 2020
- Submitted: February 18, 2020
- Operation: Air carrier
- Aircraft: N906DE
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 53415
- Aircraft time: 70,829 hours, 52,300 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Switch
- Condition: Shorted
- Location: Tailcone Lock
- Stage of operation: LD
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2020021801212

## Discrepancy

TAIL CONE UNSAFE ON LANDING. T/S PER MD88 WDM 52-73-11. FOUND TAILCONE LOCKING ANNUNCIATOR OUTSIDE SWITCH 51-537 GROUNDING OUT AND GENERATING FAULT. R/R TAILCONE EXTERNAL WARNING SWITCH, CK GOOD. (LP6411596)

---
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.