# SDR ASAA2019022638358

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 13, 2019
- Submitted: February 26, 2019
- Operation: Air carrier
- Aircraft: N318AS
- Make and model: Boeing 737990
- Aircraft serial: 30018
- Aircraft time: 55,891 hours, 22,184 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Part number: 147A85408
- Condition: Corroded
- Location: Bs 893-1006
- 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/ASAA2019022638358

## Discrepancy

MULTIPLE AREAS OF CORR ON R/H MOP SEAL FROM FS 947 AFT TO FS 994. GROUNDED - YES. REMOVED CORR AND CHECKED LIMITS FOUND TO BE OUT OF LIMITS IAW B737 900 SRM 53 70 15 1A 1 FIG 103 REMOVED AND REPLACED MOP SILL (INNER CHORD) IAW B737 900 SRM 51 40 02 0G 0 PARA 4 AND 7D W 1.5" O .080 R .066 L 6 D .014.

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