# SDR ASAA2017080921587

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 9, 2017
- Submitted: August 10, 2017
- Operation: Air carrier
- Aircraft: [N579AS](https://openairdocs.org/aircraft/N579AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35187
- Aircraft time: 39,768 hours, 11,865 cycles
- System (JASC): [4930 · APU Engine Fuel and Control](https://openairdocs.org/jasc/4930)
- Part: Shroud
- Part number: 346A28015
- Condition: Cracked
- Location: Apu Fuel Line
- 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/ASAA2017080921587

## Discrepancy

APU FUEL LINE SHROUD, DRAIN MAST CRACKING AT BASE.   INSPECTION FOUND SHROUD CRACKED AT FWD RT BASE.  ACFT GROUNDED.  REMOVED AND REPLACED APU FUEL LINE SHROUD DRAIN MAST IAW AMM 28-25-07.

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