What was found
PERFORM EO 4455A061 PART 2 ZONE B INSPECTION. FOUND FREEZE PLUG INSTALLED AT RH HORIZONTAL STAB UPPER SKIN UPPER REAR SPAR CHORD LG OTBD #15. ACCOMPLISHED EI T2026A55M-086 REV 0. JOB COMPLETED AND CONDITION CHECK NORMAL.</P>)
- Difficulty date
- February 5, 2026
- Submitted
- February 5, 2026
- Operation
- Air carrier
- Aircraft
- N481MC
- Make and model
- Boeing 747443
- Aircraft serial
- 32339
- Aircraft time
- 91,419 hours, 11,972 cycles
- System (JASC)
- 5512 · Horizontal Stabilizer, Plate/Skin
- Part
- Skin
- Condition
- Damaged
- Location
- Zone 300
- 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.