- Difficulty date
- January 9, 2020
- Submitted
- August 23, 2021
- Operation
- Air carrier
- Aircraft
- N7845A
- Make and model
- Boeing 73771B
- Aircraft serial
- 29366
- Aircraft time
- 40,061 hours, 26,404 cycles
- Part
- Rib
- Condition
- Cracked
- Location
- Horizotnal Stab
- Stage of operation
- IN
- How discovered
- 9
- 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
LH HORZ STAB IN-SPAR RIB STA 120.3; 2ND RIB HAS CRACK AT BOTTOM / VERIFIED PART 55100003-01 IAW DWG 55100003 REV B ATAG #WN1882 NDT VERIFIED NO DEFECTS IAW NDT 51-00-00- PROCEDURES 23 AND 16 LOCATED AND DRILLED HOLES IAW SRM 55-10-09-2R-4 FIG 202 VIEW A. TREATED IAW AMM 51-21-41-370-803 PRIMED IAW AMM 51-21-72-370-804 INSTALLED REPAIR PARTS IAW SRM 51-40-02-OG-0 AND SRM 55-10-09-2R-4 FIG 202 VIEW A