# SDR SWAA2023041017155

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 16, 2023
- Submitted: April 10, 2023
- Operation: Air carrier
- Aircraft: [N438WN](https://openairdocs.org/aircraft/N438WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29833
- Aircraft time: 65,970 hours, 39,056 cycles
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Retainer
- Condition: Corroded
- Location: Zn 600 Right Win
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2023041017155

## Discrepancy

RH INBOARD FLAP ;RETAINER CORRODED.<[01] RECEIVED NEW RETAINER FROM R/H I/B FLAP PER SRM 51-40-02;[02] CORRECT STEP 1. RECEIVED NEW RETAINER FROM R/H I/B FLAP;[03] VERIFIED NEW RETAINER INSTALLED ON CLOSE CARD.

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