# SDR SWAA2022013041331

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 14, 2017
- Submitted: January 31, 2022
- Operation: Air carrier
- Aircraft: N420WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29825
- Aircraft time: 54,720 hours, 31,787 cycles
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Flap
- Part number: 113A370020
- Part serial: 001042
- Condition: Delaminated
- Location: Rt Wing
- 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/SWAA2022013041331

## Discrepancy

REMOVE AND REPLACE RT WING O/B AFT FLAP DUE DELAMINATION IS OUT OF LIMITS. / REMOVED UNSERVIABCLE R/H O/B AFT FLAP ASSY IAW AMM 27-51-22-000-801 AND REPLACED WITH NEW INSTALLED IAW AMM 27-51-22-400-801 POS:R/H O/B AFT TAG NO:271994; P/N OFF:113A3700-20; S/N OFF:001042; P/N ON:113A3700-22; S/N ON:001666

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.