# SDR AALA991756

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 19, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N871AA
- Make and model: Boeing 727223
- Aircraft serial: 21383
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Stiffener
- Part number: 6516200184
- Condition: Corroded
- Location: Bs 184.8
- 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/AALA991756

## Discrepancy

TUL - OUTBOARD LOWER VERTICAL STIFFENER, CORROSION BELOW TANK STUB PLATE.  DRILLED UP AND INSTALLED NEW STIFFENER PER ESO 11697 DATED 11/18/99, SEALED FASTENERS INTERNALLY; LEAK CHECKED.  STIFFENER, OK, TANK CLEAR, CLOSE, LEAK CHECK.  (X)

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