# SDR ASAA2018111966890

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 16, 2018
- Submitted: November 19, 2018
- Operation: Air carrier
- Aircraft: [N577AS](https://openairdocs.org/aircraft/N577AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35186
- Aircraft time: 44,384 hours, 13,267 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Case
- Condition: Damaged
- Location: Fan Inlet
- 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/ASAA2018111966890

## Discrepancy

WHILE ACCOMPLISHING T/C 78472000 #2 ENGINE FOUND FAN INLET CASE DAMAGE APPROX. 8 INCHES FWD OF O/B ENGINE CRADLE MOUNT AREA. 700X .150. GROUNDED - YES. REMOVED HIGH METAL AND SWAP ETCHED AREA PER B737-800 AMM 72-23-05-700 2.F.(1) & (2). FOUND GOUGE TO BE .004 DEEP WITHIN LIMITS EBM 72-23-31. ACCOMPLISHED FPI AMM 70-40-01/201 NO RELEVANT INDICATIONS AFTER BLEND OUT. APPLIED OXIDE FILM COATING TO SUBJECT AREA PER AMM 72-23-05-700-SUBTASK 72-23-05-390-001-F00(5).

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