# SDR DALA2018022701207

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 24, 2018
- Submitted: February 27, 2018
- Operation: Air carrier
- Aircraft: N944DN
- 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: 53558
- Aircraft time: 43,588 hours, 35,821 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Spar Cap
- Condition: Cracked
- Location: Horizontal Stab
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2018022701207

## Discrepancy

WHILE PERFORMING OPEN HOLE EDDY CURRENT INSPECTION OF THE LT HORIZONTAL STAB REAR SPAR UPPER CAP (STEP 11 AMDS CARD 5510-01073-01), A VERTICAL CRACK INDICATION. CLEANED HOLE AND RECHECK IAW NDTSPM 06-10-001-003, CRACK INDICATION RUNS VERTICAL ABOVE HOLE AT 1 3/4 FROM AFT FACE OF HOLE DL.

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