# SDR TSAA9757216

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 28, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N804AL](https://openairdocs.org/aircraft/N804AL), registered now
- Make and model: Boeing 737-2Q9
- Registry model: [Boeing 737-2Q9](https://openairdocs.org/model/boeing-737-2q9) (OpenAirDocs)
- Aircraft serial: 21719
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar Chord
- Condition: Corroded
- Location: Rt Wing
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TSAA9757216

## Discrepancy

DURING HEAVY MAINTENANCE VISIT, CORROSION NOTED ON RT WING FRONT SPAR LOWER CHORD FORWARD HORIZONTAL FLANGE LOWER SURFACE AT FSS 317, 36S, 461, 550, 417, BY NR 4 SLAT ACTUATOR, AND BY NR 5 SLAT ACTUATOR.  REPAIRED PER ECO 1803R4.  AIRCRAFT RETURNED TO SERVICE.  (M)

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