# SDR SWAA2022092765238

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 23, 2022
- Submitted: September 27, 2022
- Operation: Air carrier
- Aircraft: [N489WN](https://openairdocs.org/aircraft/N489WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33855
- Aircraft time: 57,460 hours, 34,246 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floor Panel
- 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/SWAA2022092765238

## Discrepancy

CORROSION ON PASSENGER CABIN FLOOR BEAM UPPER SURFACE AT STA 727A+17 TO 727A+19; RBL 44.5; WL 208. / [01] REMOVED CORRODED FILLER FOR LONGITUDINAL BEAM BS 727A+17 TO BS 727A+19; RBL 44.5; WL 208 PER SRM 51-40-02; FABRICATED REPLACEMENT FROM 7075T6-C#.090' LOT# 1482311 AS SHOWN ON EA 1-757-9669 REV-; APPLIED CHEMICAL CONVERSION COATING AND PRIMER PER SRM 51-20-01 AND AMM 51-21-72 OK TO INSTALL;[02] CORRECTED LOT# 1482311-1;[03] VERIFIED CORRECTIVE ACTION 1.;[04] INSTALLED REPLACEMENT FILLER PER SRM 51-40-02 AS SHOWN ON EA 1-757-9669 REV-;[05] VERIFIED CORRECTIVE ACTION 4.;[06] VERIFIED MEASUREMENT TABLE.

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