# SDR SWAA2021081096850

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 21, 2021
- Submitted: August 10, 2021
- Operation: Air carrier
- Aircraft: [N7723E](https://openairdocs.org/aircraft/N7723E), registered now
- Make and model: Boeing 737-76N
- Registry model: [Boeing 737-76N](https://openairdocs.org/model/boeing-737-76n) (OpenAirDocs)
- Aircraft serial: 32670
- Aircraft time: 48,099 hours, 24,239 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Corroded
- Location: Bs 311 S23l
- 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/SWAA2021081096850

## Discrepancy

CORROSION STILL PRESENT (AFT OF REMOVED FASTENER) ON STRINGER 23L AT BS 311; WL 167. ; REJECT - CORROSION STILL PRESENT (AFT OF REMOVED FASTENER) ON STRINGER 23L AT BS 311; WL 167. / [01] REMOVED CORROSION ON STRIGER 23 LEFT AT BS 311; WL 167; AREA 1' X 2' IAW SRM 53-10-15-1A-1 ALLOWABLE DAMAGE 1.; [02] VERIFIED REMOVAL OF CORROSION ON STRIGER 23 LEFT AT BS 311; WL 167; AREA 1' X 2' IAW SRM 53-10-15-1A-1 ALLOWABLE DAMAGE 1.

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