What was found
CORROSION AT LH SIDE NO.4 FLAP SUPPORT MECHANISM 6-6 OUTER SHAFT, STEP 3. PERFORM OK TO INSTASLL CHECK SATISFIED & INSTALL NEW LH WING NO.4 FLAP SUPPORT MECHANISM 6-6 OUTER SHAFT & CONDITION CHECK NORMAL. (RII ITEM) CHECKED COMPLETED.
- Difficulty date
- July 2, 2025
- Submitted
- July 16, 2025
- Operation
- Air carrier
- Aircraft
- N309UP
- Make and model
- Boeing 76734AF
- Aircraft serial
- 27740
- Aircraft time
- 69,657 hours, 23,872 cycles
- System (JASC)
- 5753 · Trailing Edge Flaps
- Part
- Shaft
- Part number
- 113T12161
- Part serial
- TAG02128210
- Condition
- Corroded
- Location
- Zone 500 Flap
- 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.