# SDR DALA13031219249

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 22, 2013
- Submitted: June 24, 2013
- Operation: Air carrier
- Aircraft: N949DN
- Make and model: Doug MD-90-30
- Registry model: [Doug MD-90-30](https://openairdocs.org/model/mcdonnell-douglas-md-90-30) (OpenAirDocs)
- Aircraft serial: 53358
- Aircraft time: 33,791 hours, 30,457 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Skin
- Condition: Damaged
- Location: Horizontal Stab
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA13031219249

## Discrepancy

HORIZONTAL STABILIZER LT LOWER SURFACE HAS SEVERAL BARREL NUT PLUGS THAT ARE DETERIORATED.  CLEANED ALL BARREL NUT HOLES IAW SRM 51-20-00. FOUND 2 EA CORRODED.  REMOVED 2 EA HOLES IAW 55-10-03, PARA II. HOLES NR 31 AND NR 37.  REAMED TO ALLOWABLE LIMITS. FABRICATED BUSHING PO 2209283 AND INSTALLED IAW SRM 55-10-03, PARA 11.  NO CRACKS NOTED.  INSTALLED NR 31 AND NR 37 BOLTS.

---
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.