# SDR TSAA9753102

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 12, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N70723](https://openairdocs.org/aircraft/N70723), registered now
- Make and model: Boeing 737297
- Aircraft serial: 21739
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Spar Chord
- Part number: 6550578523
- Condition: Corroded
- Location: Lt Horiz Stab
- 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/TSAA9753102

## Discrepancy

DURING HEAVY MAINTENANCE VISIT, FOUND LEFT HORIZONTAL STABILIZER REAR SPAR UPPER CHORD EXFOLIATED AT ES 121.59.  REPAIRED PER ECO 1889R3.  AIRCRAFT RETURNED TO SERVICE.  (M)

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