# SDR ASAA2018030623946

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 6, 2018
- Submitted: March 19, 2018
- Operation: Air carrier
- Aircraft: N303AS
- Make and model: Boeing 737990
- Aircraft serial: 30016
- Aircraft time: 59,646 hours, 23,347 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Door Sill
- Part number: 654A0004106
- Condition: Corroded
- Location: Fuselage
- 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/ASAA2018030623946

## Discrepancy

R1 MOPSILL CORRODED. GROUNDED - YES. REMOVED CORR ON R1 MOPSILL AND FOUND TO BE OUT OF LIMITS IAW B737 900 SRM 53 10 15 1A 2 REMOVED MOPSILL (INNER CHORD) AND REPLACED WITH NEW INNER CHORD IAW 737 900 SRM 51 40 02 0G 0 W 3" O .080" R .069" L 6" D .011".

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