# SDR DALA2025013000727

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 15, 2023
- Submitted: January 30, 2025
- Operation: Air carrier
- Aircraft: [N894AT](https://openairdocs.org/aircraft/N894AT), registered now
- Make and model: Boeing 717-200
- Registry model: [Boeing 717-200](https://openairdocs.org/model/boeing-717-200) (OpenAirDocs)
- Aircraft serial: 55046
- Aircraft time: 47,355 hours, 33,428 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Corroded
- Location: Zone 100
- 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/DALA2025013000727

## Discrepancy

-AD- CENTER WING BOX LOWER SKIN XCW=20 TO XCW=42 REAR SPAR TO STRINGER #12 HAS CORROSION AND ELONGATED HOLES. REPAIR APPROVAL IS LIMITED TO 24 MONTHS FROM 14MAR23. ADDITIONAL ENGINEERING AUTHORIZATION (ER/A REVISION) IS REQUIRED FOR CONTINUED SERVICE OF THIS REPAIR LONGER THAN 24 MONTHS FROM REPAIR ACCOMPLISHMENT. NOTE TO ENGINEER: DAMAGE TOLERANCE ANALYSIS (DTA) IS REQUIRED IN ACCORDANCE WITH PROCEDURES ESTABLISHED IN FAA AC 120-93. ASSOCIATED ER/A 14-606154 ADDED FOR AC 9554. **REDEFERRED LOG TO QC, ESTAB MON INSP **. PER ER/A 606154-14AD REV A, DTE STAGE 2 ACCOMPLISHED. DTE STAGE 3 IS TRACKED ON NEW LOG PAGES #0786178 AND #0786192. PLEASE CLOSE THIS LOG PAGE #2672664. TERMINATED LOG PAGE PER ENGINEERING COMMENTS ON LINE 4. CLOSED LOG AND REMOVED MONITOR INSP PER ALERT 29JAN25 AND LOG COMMENTS. (LP #2672664)

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