# SDR SWAA2021052470141

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 8, 2021
- Submitted: May 24, 2021
- Operation: Air carrier
- Aircraft: [N220WN](https://openairdocs.org/aircraft/N220WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32491
- Aircraft time: 52,961 hours, 31,490 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Condition: Corroded
- Location: Bs 727c-767
- 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/SWAA2021052470141

## Discrepancy

CORROSION ON LOWER SURFACE OF Z ANGLE WL 156 RBL 20 STA 727C TO 767 AROUND NUT PLATES ; / VERIFIED LIMITE ON R/H Z-ANGLE; STA 727C TO STA 767. ORIG 'T' .040. REM 'T' .031; LOSS .009. FOUND TO BE OUT OF LIMITS IAW. SRM 51-10-02-0G-0; VERIFIED MATERIAL LOSS IS OUT OF LIMITS; VERIFIED LIMITS ON R/H Z-ANGLE; STA727C TO STA 767; ORIG 'T'.040; REM 'T' .031; LOSS .009. FOUND TO BE OUT OF LIMITS. IAW. SRM 53-00-53-1A-2

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