# SDR ASAA2026072968473

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 2026
- Submitted: September 5, 2026
- Operation: Air carrier
- Aircraft: [N569AS](https://openairdocs.org/aircraft/N569AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35184
- Aircraft time: 68,003 hours, 20,980 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Sill Drain
- Part number: 147A85407
- Condition: Corroded
- Location: Zone 200
- 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/ASAA2026072968473

## Discrepancy

AFT WET AREA L/H MOPSILL STA 947 TO STA 987 CORRODED. GROUNDED - YES. REMOVED DAMAGE FOUND TO BE OUT OF LIMITS, REMOVED AND REPLACED MOPSIL IAW 737-800 SRM 51-40-02-0G-0 W= 1" O= .080" R= .070" L= 2" D= .010".

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