# SDR ASAA2023120146716

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 1, 2023
- Submitted: December 16, 2023
- Operation: Air carrier
- Aircraft: N319AS
- Make and model: Boeing 737990
- Aircraft serial: 33679
- Aircraft time: 67,178 hours, 27,133 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Part number: 147A85408
- Part serial: NA
- Condition: Corroded
- Location: Mop Sill
- 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/ASAA2023120146716

## Discrepancy

R2 DOOR MOPSILL IS CORRODED. GROUNDED - YES. REMOVED DAMAGE FOUND TO BE OUT OF LIMITS IAW B737-900 SRM 53-70-15-1A-1 LOCATED AND DRILLED NEW MOP SILL IAW B737-90 0SRM 51-40-05-0G-0W=2 O=.080 R=.063 L=6 D=.017.

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