# SDR DALA2026032702022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 24, 2026
- Submitted: March 27, 2026
- Operation: Air carrier
- Aircraft: [N940DU](https://openairdocs.org/aircraft/N940DU), registered now
- Make and model: Boeing 737-9GPER
- Registry model: [Boeing 737-9GPER](https://openairdocs.org/model/boeing-737-9gper) (OpenAirDocs)
- Aircraft serial: 38723
- Aircraft time: 27,172 hours, 20,407 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Shim
- Condition: Installed
- 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/DALA2026032702022

## Discrepancy

GAP BETWEEN L/H S-18 WEB AND STA 727 INNER CHORD FOUND TO BE GREATER THAN 0.006" (0.020") PER FORECAST CARD 38-0553-8-0148 WORK CARD 5311-01251-01A STEP 11. INSTALLED SHIM PER FORECAST CARD 38-0553-8-0154 WORK CARD 5311-01251-02A. ASSOCIATED AA 5311-01251.

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