# SDR DALA2022010700138

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 3, 2022
- Submitted: January 7, 2022
- Operation: Air carrier
- Aircraft: [N670DN](https://openairdocs.org/aircraft/N670DN), registered now
- Make and model: Boeing 757232
- Aircraft serial: 25331
- Aircraft time: 91,823 hours, 40,870 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: None
- Condition: None
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2022010700138

## Discrepancy

SHIP 670 ECS BAY STA 900 RBL 6 FRAME CORRODED. DOT 39-073. CORRECTIVE ACTION: CLEANED AND EVALUATED AREA, FOUND TO BE OUT OF LIMIT IAW B757 SRM 53-30-71. REMOVED, LOCATED, DRILLED AND INSTALLED NEW CHORD AT ECS BAY STA.900 RBL80 TO LBL 80 IAW BOEING DWG# 1 REV. J. (2073912)

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