What was found
LEFT HORIZONTAL STABILIZER LOWER SKIN HAS TWO CRACKS ALONG RIB AREA. RIB APPROX 70" FROM INBD END , SEAL & BETWEEN 22" & 33" FROM FWD SPAR. INSTALLED DOUBLER & FILLERS IAW 55-10-01-2R-11.
- Difficulty date
- November 24, 2015
- Submitted
- November 28, 2015
- Operation
- Air carrier
- Aircraft
- N978AN
- Make and model
- Boeing 737823
- Aircraft serial
- 30100
- Aircraft time
- 43,044 hours, 17,518 cycles
- System (JASC)
- 5512 · Horizontal Stabilizer, Plate/Skin
- Part
- Skin
- Part number
- 186A1000
- Condition
- Cracked
- Location
- Lt Horiz 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.