What was found
CRACK IN THE THIRD STIFFENER ABOUT ONE INCH FROM THE BOTTOM ON THE RIB AT HSS 147.9 INSIDE THE LEFT HORIZONTAL STABILIZER. REPLACED THE RIB IAW SRM 51-40-02-0G, EA 278960, AND 278989.
- Difficulty date
- March 29, 2018
- Submitted
- April 5, 2018
- Operation
- Air carrier
- Aircraft
- N834NN
- Make and model
- Boeing 737823
- Aircraft serial
- 29576
- Aircraft time
- 25,790 hours, 10,125 cycles
- System (JASC)
- 5511 · Horizontal Stabilizer, Spar/Rib
- Part
- Rib
- Part number
- 182A54013
- Condition
- Cracked
- Location
- Horizontal Stab
- 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.