# SDR DALA2025051403728

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 13, 2025
- Submitted: May 14, 2025
- Operation: Air carrier
- Aircraft: [N921AT](https://openairdocs.org/aircraft/N921AT), registered now
- Make and model: Boeing 717-200
- Registry model: [Boeing 717-200](https://openairdocs.org/model/boeing-717-200) (OpenAirDocs)
- Aircraft serial: 55082
- Aircraft time: 58,523 hours, 42,407 cycles
- System (JASC): [5514 · Horizontal Stabilizer Miscellaneous Structure](https://openairdocs.org/jasc/5514)
- Part: Structure
- Condition: Corroded
- Location: Zone 300
- 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/DALA2025051403728

## Discrepancy

-AD- CORROSION WAS FOUND ON BORES 31, 33, ALSO ON HOLE #10 (VERTICAL AND TRANSVERSAL). SUMMARY OF NRC 667: CORROSION LEVEL 2. BORES 10, 31, AND 33 OF HORIZONTAL STABILIZER BARREL NUTS WERE REPAIRED PER PRI 625941-14 REV 1 & ER/A 625941-14AD REV ORIG. SECTION I: PERMANENT REPAIR. TIME CONTROLLED ITEMS: DTE COTROLLED WITH LP 0962474 AND AMOC 0962535. ASSOCIATED ER/A 14-625941 ADDED FOR AC 9577. (LP #0964124)

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