# SDR ASAA2021081435711

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 14, 2021
- Submitted: August 17, 2021
- Operation: Air carrier
- Aircraft: [N538AS](https://openairdocs.org/aircraft/N538AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 41188
- Aircraft time: 34,828 hours, 10,159 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Bleed Valve
- Part number: 1821M60P04
- Part serial: GRTR6713
- Condition: Damaged
- Location: Nr 2 Engine
- Part time: 34,827 hours, 10,159 cycles
- 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/ASAA2021081435711

## Discrepancy

FOUND #2 ENGINE TBV DRAIN TUBE B NUT LOOSE AND LINE DAMAGED. GROUNDED - YES. REMOVED AND REPLACED TBV DRAIN TUBE REF B737-800 AMM 75-23-01.

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