- Difficulty date
- July 23, 2025
- Submitted
- August 28, 2025
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35685
- Aircraft time
- 58,411 hours, 17,523 cycles
- Part
- Rib
- Part number
- BAC14902734BAC15
- Condition
- Cracked
- 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.
What was found
RIGHT HORIZONTAL STABILIZER INTERNAL LOWER AREA OF RIB HAS 1 CRACK AT STAB STA.147.90. GROUNDED - YES. REMOVED DAMAGE AT RIB IAW SRM 55-10-09-2R-4. FABRICATED & INSTALLED INTERNAL DOUBLER & ANGLE IAW B737-800 SRM 55-10-09-2R-4. CUT OUT LOWER SKIN TO ACCESS REPAIR AREA IAW SRM 55-10-09-4. FABRICATED & INSTALLED FILLER & EXTERNAL DOUBLER IAW B737-800 SRM 55-10-09-4.