What was found
AIRCRAFT WAS IN BASE MAINTENANCE. CRACK ON LEFT HORIZONTAL STABILIZER MACHINED INSPAR RIB 2ND AND 3RD VERTICAL STIFFENERS AT HSS 92.70. REPAIRED IAW SRM 55-10-09-2R-4, AND EA 271984.
- Difficulty date
- July 27, 2017
- Submitted
- July 28, 2017
- Operation
- Air carrier
- Aircraft
- N971AN
- Make and model
- Boeing 737823
- Aircraft serial
- 29547
- Aircraft time
- 47,332 hours, 19,394 cycles
- System (JASC)
- 5511 · Horizontal Stabilizer, Spar/Rib
- Part
- Rib
- Part number
- 182A53014
- 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.