# SDR SWAA2023071166328

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 7, 2023
- Submitted: July 11, 2023
- Operation: Air carrier
- Aircraft: [N7827A](https://openairdocs.org/aircraft/N7827A), registered now
- Make and model: Boeing 737-79P
- Registry model: [Boeing 737-79P](https://openairdocs.org/model/boeing-737-79p) (OpenAirDocs)
- Aircraft serial: 28255
- Aircraft time: 57,742 hours, 36,958 cycles
- System (JASC): [5534 · Vertical Stabilizer Miscellaneous Structure](https://openairdocs.org/jasc/5534)
- Part: Fitting
- Part number: UNKNOWN
- Condition: Corroded
- Location: Zn 300 Stabilize
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2023071166328

## Discrepancy

CORROSION TRAILING EDGE FITTING LOC BTW FIN STA 132.2 AT FIN STA 150.6 AT VERTICAL STABILIZER 2023-365589<[01] REPLACED HOUSING ASSY -BEARING OF STANDBY RUDDER POWER CONTROL UNIT IAW B737-700 SRM 51-40-02-0G-0 AND AMM 20-50-11-910-801.SEE INDIVIDUAL SIGN OFF BELOW.;[02] CORRECTED STEP 1<BR>REPLACED HOUSING ASSY -BEARING OF STANDBY RUDDER POWER CONTROL UNIT IAW B737-700 SRM 51-40-02-0G-0 AND AMM 20-50-11-910-801;AMM 27-21-24-400-801.SEE INDIVIDUAL SIGN OFF BELOW.;[03] REPLACED HOUSING ASSY -BEARING OF STANDBY RUDDER POWER CONTROL UNIT IAW B737-700 SRM 51-40-02-0G-0 AND AMM 20-50-11-910-801;AMM 27-21-24-400-801.SEE INDIVIDUAL SIGN OFF BELOW.<BR>RII

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