# SDR ASAA2017011219582

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 12, 2017
- Submitted: January 31, 2017
- Operation: Air carrier
- Aircraft: N317AS
- Make and model: Boeing 737990
- Aircraft serial: 30856
- Aircraft time: 49,354 hours, 19,170 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Part number: 143A12612
- Condition: Cracked
- 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/ASAA2017011219582

## Discrepancy

FORWARD CARGO COMPARTMENT LT BILGE FRAME CHAFED WITH TOOLING MARKS BS 500K. GROUNDED - YES. REPAIRED FUSELAGE FRAME, LOWER LOBE AT STA 500K , LBL 18.24 IAW EA 900-53EA-18365 REV 00. THIS IS A CATEGORY "B" REPAIR WITH FIRST AND SECOND STAGE APPROVAL WITH INSPECTION THRESHOLD OF 75,000 TOTAL FLIGHT CYCLES.

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