What was found
AIRCRAFT IN BASE MAINTENANCE: CRACK IN RIB OF LH HORIZONTAL STABILIZER AT STA 92.7, MEASURING L=1.0 IN, W=0.5 IN, D=0.07 IN. REPLACED RIB WITH NEW IAW SRM 55-10-09.
- Difficulty date
- October 19, 2021
- Submitted
- November 17, 2021
- Operation
- Air carrier
- Aircraft
- N817NN
- Make and model
- Boeing 737*
- Aircraft serial
- 29558
- Aircraft time
- 35,154 hours, 14,314 cycles
- System (JASC)
- 5511 · Horizontal Stabilizer, Spar/Rib
- Part
- Rib
- Part number
- 182A53013
- Condition
- Cracked
- Location
- Zone 300 - Stabs
- 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.