# SDR ASAA2022021137494

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2022
- Submitted: February 23, 2022
- Operation: Air carrier
- Aircraft: [N238AK](https://openairdocs.org/aircraft/N238AK), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 62681
- Aircraft time: 20,342 hours, 6,656 cycles
- System (JASC): [5100 · Standard Practices/Structures](https://openairdocs.org/jasc/5100)
- Part: None
- Part number: 146A750235
- Condition: Corroded
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022021137494

## Discrepancy

AFT CARGO LH TRANSITION HAS CARROSION FROM STA 727C TO 727F. GROUNDED - YES. BLENDED CORROSION FOUND TO BE OUT OF LIMITS IAW B737-900 SRM 53-00-53-1A-2 REPAIRED TRANSITION IAW B737-900 SRM 53-00-53-2R-5W=1.0 O=.040 R=.034 L=3.00 D=.006.

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