# SDR AMTA200700439

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 11, 2007
- Submitted: September 21, 2007
- Operation: Air carrier
- Aircraft: N514AT
- Make and model: Boeing 757-23N
- Registry model: [Boeing 757-23N](https://openairdocs.org/model/boeing-757-23n) (OpenAirDocs)
- Aircraft serial: 27971
- Engine: Rroyce RB211535E4
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Bs 377
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AMTA200700439

## Discrepancy

FLOORBEAM STA 377.7, RBL 3, LBL 30, AREAS AROUND 8 EACH NUTPLATES ARE CORRODED.  REMOVED CORROSION ON FLOORBEAM STA 377.7, RBL 3 - LBL 30 IAW SRM 53-00-51.  FOUND SECTION AT LBL4 OUT OF LIMITS REPLACED FLOORBEAM UPPER CHORD IAW SRM 52-00-51, 2R AND SRM 51-40-02, REF SAA NR 77440500001 FOR REPLACEMENT.

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