# SDR SWAA2021100820924

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 18, 2021
- Submitted: April 29, 2022
- Operation: Air carrier
- Aircraft: [N906WN](https://openairdocs.org/aircraft/N906WN), registered now
- Make and model: Boeing 737
- Aircraft serial: 36887
- Aircraft time: 45,396 hours, 26,500 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: None
- 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/SWAA2021100820924

## Discrepancy

SUPPLEMENTAL INFORMATION: ***CORROSION*** AFT CARGO FLOOR STRAP AT STA 727D HAS MULTIPLE SPOTS OF CORROSION. FLOOR STRAP LOCATED AT BS 727D; BETWEEN RBL 21' AND LBL 21'. / REMOVED CORROSION AT AFT CARGO FLOOR STAP STA-727D AS PER B-737 SRM-51 10-02-OG-0. NOTED-MATERIAL LOSS MORE 50% CERTIFIED STEP#1 RECEIVED NEW AFT CARGO COMPARTMENT STRAP FOR STA 727D. INSTALLATION WILL BE ACCOMPLISHED ON TASK CARD TTG8Q00483GU VERIFIED STEP 3 VERIFIED STEPS 1 - 3 CORROSION WAS LOCATED ON REMOVED STRAP PART NO 146A9401-8. STA 27B TO STA 727D. RBL 21 WATERLONE 155.

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