# SDR IPXA2026082745076

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 13, 2026
- Submitted: September 16, 2026
- Operation: Air carrier
- Aircraft: [N136UP](https://openairdocs.org/aircraft/N136UP), registered now
- Make and model: Airbus A300 F4-622R
- Registry model: [Airbus A300 F4-622R](https://openairdocs.org/model/airbus-a300-f4-622r) (OpenAirDocs)
- Aircraft serial: 0819
- Aircraft time: 29,160 hours, 17,946 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Bolt
- Part number: NAS66039
- Condition: Corroded
- Location: Zone 300
- 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/IPXA2026082745076

## Discrepancy

HORIZONTAL STAB, CENTER TRIM TANK HAS CORROSION AT FWD LH SIDE BEHIND BONDING STRAPS (2 EAS).   REPLACED BOLTS OF THE BONDING STRAPS I.A.W AMM 20-21-12/001 AND AMM 20-28-11/001 BONDING TEST OK. VERIFIED HORIZONTAL STAB CENTER TRIM TANK NEW BOLTS INSTALLED BONDING WIRE STRAP IAW AMM 20-21-12/001 AND AMM 20-28-11/001BONDING TEST GOOD.

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