# SDR DALA2025011300267

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 9, 2025
- Submitted: January 13, 2025
- Operation: Air carrier
- Aircraft: [N979AT](https://openairdocs.org/aircraft/N979AT), registered now
- Make and model: Boeing 717-200
- Registry model: [Boeing 717-200](https://openairdocs.org/model/boeing-717-200) (OpenAirDocs)
- Aircraft serial: 55038
- Aircraft time: 59,302 hours, 42,501 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Structure
- Condition: Damaged
- 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/DALA2025011300267

## Discrepancy

CORROSION AND SCRATCHES ON INNER BOLT HOLE AND HOLE OF BARREL NUT (HOLE #26) AT HORIZONTAL STAB. SUMMARY OF NRC 00742: LEVEL CORROSION 2. CORROSION IN INNER BOLT HOLE AND HOLE OF BARREL NUT (HOLE #26) AT HORIZONTAL STAB WAS REPAIRED PER PRI 622843-14 REV 1 & ER/A 622843-14 REV ORIGINAL SECTION I: PERMANENT REPAIR. REPAIR APPROVAL IS LIMITED TO 24 MONTHS FROM 17DEC24. ADDITIONAL ENGINEERING AUTHORIZATION (ER/A REVISION) IS REQUIRED FOR CONTINUED SERVICE BEYOND THIS LIMIT. NOTE TO ENGINEER: DAMAGE TOLERANCE ANALYSIS (DTA) STAGES II AND III ARE REQUIRED IN ACCORDANCE WITH PROCEDURES STABLISHED IN FAA AC 120-93 (REF LOG PAGE # 0717255) ASSOCIATED ER/A 14-622843 ADDED FOR AC 9544. (LP #0753545)

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