# SDR CKSA98366

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 30, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N625PL](https://openairdocs.org/aircraft/N625PL), registered now
- Make and model: Boeing 747132
- Aircraft serial: 20247
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Bs 760
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CKSA98366

## Discrepancy

DURING ROUTINE CPCP INSPECTION, FOUND LEVEL 2 CORROSION STA760 FWD LBL72 FLOORBEAM HAS CORROSION.  CORROSION FOUND TO BE OUT OF LIMITS IAW B747 SRM 53-10-1.  CUTOUT CORRODED SECTION OF UPPER CHORD AND FABRICATED REPAIR IAW SRM 51-40-4 FIG 1.  ALSO AIA EDR NR B4-05876.  CORROSION TASK CARD NUMBER C53-210-07.  NON-ROUTINE TASK CARD NUMBER 25206.

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