- Difficulty date
- October 15, 2022
- Submitted
- October 28, 2022
- Operation
- Air carrier
- Make and model
- Boeing 737790
- Aircraft serial
- 30793
- Aircraft time
- 33,922 hours, 26,133 cycles
- Part
- Stiffener
- Part number
- 148A82206148A822
- Condition
- Corroded
- Location
- Vertical Stab
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON RH OB VERTICAL STAB AFT SPAR ATTACH FITTING FWD AND AFT STIFFENERS. GROUNDED - YES. REMOVED AND REPLACED FWD AND AFT SPAR ATTACH FITTINGS STIFFENERS (FAIL SAFE) IAW B737-700 SRM 51-40-02-0G-0.W= .750 O= 1.200 R= 1.080 L= .850 D= .120.