# SDR SWAA2023030695696

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 27, 2023
- Submitted: March 6, 2023
- Operation: Air carrier
- Aircraft: [N955WN](https://openairdocs.org/aircraft/N955WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36671
- Aircraft time: 38,739 hours, 23,607 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Beam
- Condition: Corroded
- Location: Zn 100 Fus Lower
- 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/SWAA2023030695696

## Discrepancy

CORROSION IN FLOOR BEAM FLOORBOARD HOLE; BS 986; RBL 40; WL 208; FOUND DURING HFEC INSPECTION<[01] UPDATED MEASUREMENT TABLE;[02] REMOVED CORROSION IN FLOOR BEAM FLOORBOARD HOLE; BS 986; RBL 40; WL 208; PER SRM 51-10-02;[03] REQUEST HFEC IN HOLE IN 986 FLOOR BEAM RBL 40 CRACK FREE;[04] HFEC INSPECTED OPEN HOLES IAW 737 NDTM PART 6 51-00-00 PROCEDURE 16. <BR>NO CRACKS NOTED; BUT DAMAGE STILL NOTED TO BE WITHIN HOLE. <BR>EQUIP USED: <BR>-NORTEC 600 ID: ATS1465 CAL DUE: 09/23;[05] REPAIR REQUIRED;REPAIR TO BE ACCOMPLISHED ON CARD #TTG8Q00HFMX8;[06] VERIFIED CORRECTIVE ACTION ITEM 5. REPAIR TO AREA WILL BE ACCOMPLISHED ON TTG8Q00HFMX8.<BR>VERIFIED MEASUREMENT TABLE COMPLETED.

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