# SDR SWAA2021120644165

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 15, 2021
- Submitted: December 6, 2021
- Operation: Air carrier
- Aircraft: [N914WN](https://openairdocs.org/aircraft/N914WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36622
- Aircraft time: 45,576 hours, 27,409 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support
- Condition: Corroded
- Location: 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/SWAA2021120644165

## Discrepancy

CORROSION ON FCB RH FLOOR-TO-SIDEWALL SUPPORT; BS 500A+6'; 500A+18'; 500B+14'; 500B+18'; 500C+2'; 500C+6'; 500C+14' RBL 24 (ALL MARKED) ; / [01] REMOVED CORROSION ON FLOOR TO SIDEWALL SUPPORT RBL2; WL156; BODY;STATION:500A+6; 500A+18; 500B+14; 500B+18; 500C+2; 500C+6 500C+14 ORIGINALTHICKNESS=0.040'; FOUND TO BE OUT OF LIMITS. I.A.W. SRM 53-00-53-1A-2; ALLOWABLE DAMAGE 2; STEP 4.2A. TOOL USED MICROMETER ID:ATS1671; DUE DATE: 01/2022; [02] REMOVED CORROSION ON FLOOR TO SIDEWALL SUPPORT RBL24; WL156; BODY;STATION:500A+6; 500A+18; 500B+14; 500B+18; 500C+2; 500C+6 500C+14 ORIGINALTHICKNESS=0.040'; FOUND TO BE OUT OF LIMITS. I.A.W. SRM 53-00-53-1A-2; ALLOWABLE DAMAGE 2; STEP 4.2A.

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