# SDR AALA202603136491

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 13, 2026
- Submitted: March 13, 2026
- Operation: Air carrier
- Aircraft: [N829AN](https://openairdocs.org/aircraft/N829AN), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 40651
- Aircraft time: 34,440 hours, 4,148 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Fitting
- Part number: 4502Z4131501
- 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/AALA202603136491

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CORROSION ON KEEL BEAM LATTICE FITTING AT STA 882 BETWEEN LBL 12 AND RBL 12. REPLACED LATTICE FITTING PER DWG 450Z4110.

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