# SDR ASAA2021061935489

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 19, 2021
- Submitted: July 26, 2021
- Operation: Air carrier
- Aircraft: N305AS
- Make and model: Boeing 737990
- Aircraft serial: 30013
- Aircraft time: 65,127 hours, 25,974 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Transition Panel
- Part number: 143A7501162
- Condition: Corroded
- Location: Bs 500h-500i
- 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/ASAA2021061935489

## Discrepancy

FWD PIT R/H TRANSITION PANEL HAS AREA OF CORROSION STA 500H TO 500I. GROUNDED - YES. CORROSION FOUND TO BE OUT OF LIMITS, REPAIRED SIDEPLATE IAW B737-900 SRM 53-00-53-2R-5W=1.50" O=0.040" R=0.033" L=4.00" D=0.007".

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