# SDR ASAA2021082335773

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 23, 2021
- Submitted: August 25, 2021
- Operation: Air carrier
- Aircraft: [N590AS](https://openairdocs.org/aircraft/N590AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35687
- Aircraft time: 49,613 hours, 14,819 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Regulator
- Part number: 1074926
- Part serial: 5715
- Condition: Damaged
- Location: Nr 1 Bleed Sys
- Part time: 9,050 hours, 2,507 cycles
- Stage of operation: IN
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021082335773

## Discrepancy

LEFT ENGINE BLEED AIR PRESSURE REGULATOR ELECTRICAL RECEPTACLE BACKSHELL IS LOOSE AND THREADS ARE DAMAGED ON BACKSHELL SIDE OF RECEPTACLE. GROUNDED - YES. REMOVED AND REPLACED #1 ENG BLEED AIR REGULATOR REF AMM 36-11-03/401. 4 C/B'S OPENED, TAGGED, AND RESET. ALL OPS AND LEAK CHECKS PASS. ETOPS GROUND VERIFICATION SUCCESSFUL. SEAMC JOE NOTIFIED.

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