# SDR DALA2021052102835

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 19, 2021
- Submitted: May 21, 2021
- Operation: Air carrier
- Aircraft: [N717JL](https://openairdocs.org/aircraft/N717JL), registered now
- Make and model: Boeing 717-200
- Registry model: [Boeing 717-200](https://openairdocs.org/model/boeing-717-200) (OpenAirDocs)
- Aircraft serial: 55042
- Aircraft time: 49,970 hours, 33,478 cycles
- System (JASC): [5531 · Vertical Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5531)
- Part: Spar Cap
- Condition: Cracked
- Location: Vertical 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/DALA2021052102835

## Discrepancy

DURING CRACK CONFIRMATION STEP 10 OF 5530-01048-02 VERIFIED CRACK INDICATIONS IN LH VERTICAL STAB FRONT SPAR CAP FORWARD FLANGE AT HOLES 1,2,3,4, AND 7 BELOW ZFS=52.267. HOLES ARE NUMBERED FROM TOP TO BOTTOM REF AA 5530-01048-02 STEP 10 AND AD 2018-10-08. COMPLIED WITH ER/A 591513-14AD REV A. REFERENCE NRC 264. ASSOCIATED ER/A 14-591513 ADDED FOR AC 9550. (LP #1814015)

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