# SDR ASAA2022071739205

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 17, 2022
- Submitted: July 28, 2022
- Operation: Air carrier
- Aircraft: [N508AS](https://openairdocs.org/aircraft/N508AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35691
- Aircraft time: 50,747 hours, 14,895 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: 146A3251
- 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/ASAA2022071739205

## Discrepancy

EXTERIOR FUSELAGE SKIN @ AFT CARGO CUTOUT, LOWER AFT CORNER HAS CORROSION. DOT: N072 TIPR833K. GROUNDED - YES. ON DEFERRAL.[ REMOVED CORROSION IAW B737-800 SRM 51-10-02-ORIG THICKNESS 0.090 REMOVED 0.005 REMAINING MAT 0.085 FOUND TO BE IN LIMITS IAW B737-800 SRM 53-00-01 PART 6. TOOL #T8224P CAL DUE 03/NOV/22. ALODINED IAW B737-800 AMM 51-21-41. PRIMED IAW B737-800 AMM 51-21-72. APPLIED TOP COAT IAW B737-800 AMM 51-21-73. REMOVED HAECO DOT, REINSPECT IS REQUIRED EVERY 12,000 FLIGHT CYCLES, EXTERNAL, INTERNAL HFEC AND EXTERNAL DVI IAW B737-800 SRM 53-00-01-1A-6. SEAMC STEVE NOTIFIED, CONTROL #24014508 YELLOW DOT APPLIED.]

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