What was found
CRACKS WERE FOUND ON THE LT HORIZONTAL STABILIZER TRAILING EDGE LOWER RIB AT HSS 421.5. REPAIR IAW SRID 3-4281233668, AND EO B747-5510-69998-A.
- Difficulty date
- August 6, 2018
- Submitted
- September 28, 2018
- Operation
- Air carrier
- Aircraft
- N583UP
- Make and model
- Boeing 7474R7F
- Aircraft serial
- 25867
- Aircraft time
- 116,253 hours, 19,596 cycles
- System (JASC)
- 5511 · Horizontal Stabilizer, Spar/Rib
- Part
- Rib
- Part number
- 65B0352053
- Condition
- Cracked
- Location
- Horizontal 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.