# SDR DALA14005405801

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 29, 2013
- Submitted: January 27, 2014
- Operation: Air carrier
- Aircraft: [N581NW](https://openairdocs.org/aircraft/N581NW), registered now
- Make and model: Boeing 757351
- Aircraft serial: 32982
- Aircraft time: 40,914 hours, 13,774 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Condition: Corroded
- Location: Bs 1600-1630
- 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/DALA14005405801

## Discrepancy

INNER ANGLE HAS EXFOLIATION CORROSION ON UPPER SURFACE FROM BS 1600-1630, LT MAIN CABIN.  REMOVED CORROSION, BS 1600-1630, CORROSION FOUND TO BE WITHIN LIMITS, BS 1600-1620, CORROSION OUT OF LIMITS BS 1630.  INSTALLED PERMANENT REPAIR IAW E/RA 521543-14, REV ORIGINAL CORROSION REMOVAL ACCOMPLISHED IAW SRM 53-60-13.

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