# SDR SWAA2022022880053

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 18, 2018
- Submitted: February 28, 2022
- Operation: Air carrier
- Aircraft: N744SW
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29490
- Aircraft time: 69,094 hours, 41,040 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Condition: Corroded
- Location: Aft Fuselage
- 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/SWAA2022022880053

## Discrepancy

***CORROSION*** ON BS 1006 FRAME BL0 TO RBL 3 WL 186 / REMOVED CORROSION ON FUSELAGE FRAME AT STA. 1006 BL0 TO RBL3 WL 186. FOUND TO BE OUT OF LIMITS DUE TO CORROSION AROUND FASTENER HOLES IAW SRM 53-00-07-1A-1. REMOVED FRAME AT STA 1006 IAW SRM 51-40-02-0G-0. FORMED NEW FRAME PART WITH 7075-0 .063' CLAD SHEET LOT# 5040389 IAW SRM 51-30-01-0G-0 AND BOEING DWG 147A1006. INSTALLED NEW FRAME AT STA. 1006 IAW SRM 51-40-02-0G-0 AND BOEING DWG 147A0040

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