# SDR TSAA20211117012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 15, 2021
- Submitted: November 17, 2021
- Operation: Air carrier
- Aircraft: [N301KH](https://openairdocs.org/aircraft/N301KH), registered now
- Make and model: Boeing 737330
- Aircraft serial: 27904
- Aircraft time: 49,543 hours, 54,360 cycles
- System (JASC): [5100 · Standard Practices/Structures](https://openairdocs.org/jasc/5100)
- Part: Floorbeam
- Condition: Corroded
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TSAA20211117012

## Discrepancy

1000573058 - CORROSION ON FLOORBEAM TOP CAP@ STA 887 RBL 47 BLENDED I.AW B.737-300 SRM REV 125 CH
51-10-02 PARA 14 AND WAS FOUND TO BE BEYOND ALLOWABLE LIMITS. ORIGINAL THICKNESS .153, MAX REMOVAL ALLOWED.015 (.138), REMAINING THICKNESS .079 I.AW B.737-300 SRM REV 125 CH 53-60-51 FIG 101. REPAIRED I.AW AEROSPACE DWG NO. R27904.1-053-019-001 REV:NC, & E015509 REV IR.

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