# SDR SWAA2026022468970

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 8, 2026
- Submitted: February 24, 2026
- Operation: Air carrier
- Aircraft: [N948WN](https://openairdocs.org/aircraft/N948WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36662
- Aircraft time: 50,176 hours, 30,817 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Threshold
- 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/SWAA2026022468970

## Discrepancy

CORROSION ON ACB DOOR CUTOUT SURROUND THRESHOLD,  BS 827 - BS 827+9, RBL 27, WL 156.  REPLACED ACB DOOR CUTOUT SURROUND THRESHOLD IAW SRM 53-60-15-1A-1-A-1, SRM 51-10-02-0G-0, SRM 51-40-02-0G-0, SRM 51-40-02-0G-0,  SRM 51-30-01-0G-0, &  DWG 146A8340 REV -.

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