# SDR ASAA2021093036334

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 30, 2021
- Submitted: October 20, 2021
- Operation: Air carrier
- Aircraft: [N557AS](https://openairdocs.org/aircraft/N557AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35176
- Aircraft time: 56,562 hours, 16,444 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Transition Panel
- Part number: 146A750233
- Condition: Corroded
- 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/ASAA2021093036334

## Discrepancy

AFT CARGO COMPARTMENT LH TRANSITION PANEL IS CORRODED AT APPROXIMATERLY STA 727J+10 TO 727D+10 DOT: C536. GROUNDED - YES. REMOVED CORROSION ON LEFT TRANSITION PANEL STA 727J+10 - 727D+10: ORIG MAT THICKNESS 0.040; REMOVED 0.007; REMAINING MAT. 0.033 AND IS FOUND TO BE OUT OF LIMITS PER B737-800 SRM 53-00-53-1A-2-4-A-(2); REPAIRED TRANSITION PANEL PER B737-800 SRM 53-00-53-2R-5. DOT: C536 REMOVED.

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