# SDR 2000UALA00071

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2000
- Submitted: October 4, 2000
- Operation: Air carrier
- Aircraft: N7467U
- Make and model: Boeing 727222
- Aircraft serial: 21921
- Aircraft time: 56,379 hours, 32,539 cycles
- Engine: Pwa JT8D15
- System (JASC): [5530 · Vertical Stabilizer](https://openairdocs.org/jasc/5530)
- Part: Fitting
- Condition: Corroded
- Location: Vertical Stab
- 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/2000UALA00071

## Discrepancy

DURING A HEAVY MAINTENANCE VISIT CORROSION WAS FOUND ON THE LUG HOLE OF THE VERTICAL STABILIZER UPPER CLOSURE RIB FITTING (P/N 65-4233-16).  THE CORROSION WAS REMOVED BY SPOTFACING AND OVERSIZING OF THE LUG BORE.  A BUSHING WAS INSTALLED TO RESTORE THE HOLE TO THE ORIGINAL DIAMETER.  THIS REPAIR WAS CLASSIFIED AS MAJOR AND APPROVED WITH AN 8110-3 FROM BOEING''S DER.

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