# SDR AALA990347

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 5, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N712AA](https://openairdocs.org/aircraft/N712AA), registered now
- Make and model: Boeing 727223
- Aircraft serial: 22468
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Condition: Corroded
- Location: Bs 484 & 496
- 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/AALA990347

## Discrepancy

TUL - CORROSION ON STR 28L AT STA 484 AND STA 496.  REMOVED DAMAGED AREA AND INSTALLED NEW STRINGER SECTION AND REPAIR SPLICE PER 53-10-3 USING NEW STRINGER MATERIAL AND SPLICE MATERIAL BAC 1498-132 WITH 4 EACH .1875 INCH RIVETS EACH SIDE IN HAT CHANNEL AND 6 EACH .1875 INCH RIVETS IN  EACH SIDE IN LOWER CHANNEL.   TST:  47,819 HOURS.  CYCLES:  25,533.  (X)

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