# SDR SWAA2019110638656

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 18, 2019
- Submitted: November 6, 2019
- Operation: Air carrier
- Aircraft: N8618N
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36915
- Aircraft time: 20,726 hours, 9,009 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Bulkhead
- Condition: Cracked
- Location: Lt Mlg Ww
- 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/SWAA2019110638656

## Discrepancy

BS663 LH VAPOR BARRIER, CRACK IN UPPER CHORD ABOUT THREE (3) INCHES OUTBOARD OF KEEL BEAM. / REPAIRED BS 663 L/H VAPOR BARRIER UPPER CHORD IAW 737-800 SRM 57-10-10-2R-5. LEAK CHECKED CENTER FUEL TANK IAW AMM 28-11-00-210-801. NO LEAKS NOTED.

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