# SDR SWAA2021060470111

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 7, 2021
- Submitted: June 4, 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 727-727c
- 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/SWAA2021060470111

## Discrepancy

DOT# A45-010; AFT CARGO PIT; RH Z-ANGLE HAS CORROSION; WL: 154; RBL: 20; STA: 727 TO 727C+10. ; / REMOVED CORROSION IAW RH STA 727-727C VERIFIED WITTH 10X MAGNIFY GLASS IAW SRM 53-00-53-1A-2. VERIFIED MATERIAL LOSS ORIGINAL THICKNESS .040' LOSS .008'; REMAINING MATERIAL .032' OUT OF LIMITS IAW SRM 530-00-53-1A-2. REMOVED; FABRICATED AND INSTALLED REPLACEMENT SECTION FROM STA 727-727C+10IAW SRM 51-40-02-0G-0 AND BOEING DWG 146A7500 REV B; SRM 53-00-53-2R-5; INSPECTION CW; CORROSION PROTECTION CW REF SWA WORK CARD 5360-E-16462-NG; AUDIT CW

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