# SDR ASAA2021091535995

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 15, 2021
- Submitted: September 21, 2021
- Operation: Air carrier
- Aircraft: N307AS
- Make and model: Boeing 737990
- Aircraft serial: 30015
- Aircraft time: 65,808 hours, 26,430 cycles
- Engine: Ge
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Channel
- Part number: 164A750217
- 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/ASAA2021091535995

## Discrepancy

AFT CARGO LBL 26 TRANSITION BETWEEN STA. 727D TO 727E +10 HAS AREAS OF CORROSION. GROUNDED - YES. REMOVED CORROSION AND CHECKED LIMITS, FOUND TO BE OUT OF LIMITS IAW B737-900 SRM 53-00-53-1A-2 FIG 103. REPAIREDCORRODED TRANSITION PANEL IAW B737-900 SRM 53-00-53-2R-5W.8 O.040 R.011 L1.2 D.029.

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