# SDR ASAA2026041265813

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 12, 2026
- Submitted: May 5, 2026
- Operation: Air carrier
- Aircraft: [N527AS](https://openairdocs.org/aircraft/N527AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35694
- Aircraft time: 53,326 hours, 19,096 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Part number: 176A8123U25
- Condition: Corroded
- Location: Zoen 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/ASAA2026041265813

## Discrepancy

AFT PIT SILL WEB HAS CORROSION. GROUNDED - YES. REMOVED AND REPLACED AFT PIT SILL WEB IAW B737-800 SRM 51-40-02-0G-0W: 1" O: .050" R: .043" L: 2" D: .007.

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