# SDR FDEA200911254165

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 25, 2009
- Submitted: November 25, 2009
- Operation: Air carrier
- Aircraft: [N934FD](https://openairdocs.org/aircraft/N934FD), registered now
- Make and model: Boeing 757-21B
- Registry model: [Boeing 757-21B](https://openairdocs.org/model/boeing-757-21b) (OpenAirDocs)
- Aircraft serial: 24331
- Aircraft time: 50,153 hours, 32,684 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: 146N545018
- Condition: Corroded
- Location: Zone 100
- 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/FDEA200911254165

## Discrepancy

AFT CARGO COMPARTMENT INTERCOSTAL AT STA 1540 TO STA 1560, RBL 22 CORRODED.   CORROSION REMOVED IAW SRM 51-10-02 REV 98. EVALUATED AND FOUND SUPPORT ANGLE (CHORD) EXCEED LIMIT IAW SRM 53-00-04 REV 98. MATERIAL REMOVED = 0.010", MATERIAL THICKNESS = 0.050", MATERIAL REMAINED = 0.040".  CHORD FABRICATED IAW DWG 146N5450 SHT 1 REV. A AND PL 146N5450 REV F. CHORD PART MARKED IAW GMM 7-0-1001. CHORD REMOVED AND REPLACED IAW SRM 51-40-02 REV 98.  REPAIR IS CLASSIFIED AS MINOR IAW GMM 6-2-100 CRITERIA.

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