# SDR ASAA201805214698

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 20, 2018
- Submitted: May 21, 2018
- Operation: Air carrier
- Aircraft: [N506AS](https://openairdocs.org/aircraft/N506AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35690
- Aircraft time: 37,857 hours, 11,592 cycles
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Drain Mast
- Part number: 417A20937
- Condition: Cracked
- Location: Lt Wng-Body
- 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/ASAA201805214698

## Discrepancy

APU DRAIN MAST CRACKED.  ACFT GROUNDED.  REPLACED THE APU FUEL FEED LINE SHROUD MAST IAW AMM 28-25-07.

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