What was found
CORRODED LOWER SILL DRAIN, BS 440 - 492.4, RBL 21, WL 156. REPLACED THE SILL DRAIN AND FASTENERS IAW SRM 51-40-02, AND DWG 143A8330, SHEET 30, REV -.
- Difficulty date
- January 31, 2026
- Submitted
- March 5, 2026
- Operation
- Air carrier
- Aircraft
- N8634A
- Make and model
- Boeing 7378H4
- Aircraft serial
- 42522
- Aircraft time
- 39,142 hours, 19,022 cycles
- System (JASC)
- 5310 · Fuselage Main, Structure
- Part
- Sill Drain
- Condition
- Corroded
- Location
- Zone 100
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.