# SDR ASAA2018030123873

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 1, 2018
- Submitted: March 14, 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: 146A81236
- 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/ASAA2018030123873

## Discrepancy

AFT CARGO PIT DOOR CUTOUT LOWER SILL WEB HAS CORR. GROUNDED - YES. REMOVED SILL WEB, SILL WEB HAD 100% MATERIAL LOSS, LOCATED, DRILLED AND INSTALLED NEW SILL WEB IAW SRM 51 40 0G 0 SRM 53 60 15 1A 1 AND SRM 51 40 05 0G 0.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.