# SDR ASAA2020030932394

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 8, 2020
- Submitted: March 10, 2020
- Operation: Air carrier
- Aircraft: [N530AS](https://openairdocs.org/aircraft/N530AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36578
- Aircraft time: 38,600 hours, 11,345 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Pin
- Condition: Loose
- Location: Nr 1 Engine
- 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/ASAA2020030932394

## Discrepancy

WHILE ACCOMPLISHING T/C 78472010 #1 ENGINE FOUND 4 GUIDE PINS LOOSE IN BOOSTER SPOOL. GROUNDED - YES. REMOVED 4 GUIDE PINS IN #1 ENGINE BOOSTER SPOOL REF B737-800 AMM 72-21-02-300-805-F00. INSPECTED FAN DISK MATING SURFACE AND BOLT HOLE FOR DAMAGE, NO DAMAGE NOTED REF AMM 72-21-02-200-801-F00. INSTALLED #1 ENGINE GUIDE PIN 3 OF 4 IN BOOSTER SPOOL REF AMM 72-21-02-300-805-F00, INSTALLED 4 OF 4, #1 ENGINE GUIDE PIN IN BOOSTER SPOOL IAW AMM 72-21-02-300-805-F00.

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