Service difficulty report · Rib · Boeing 73779P

Difficulty date
January 31, 2020
Submitted
August 23, 2021
Operation
Air carrier
Aircraft
N7857B
Make and model
Boeing 73779P
Aircraft serial
29358
Aircraft time
45,651 hours, 31,158 cycles
Part
Rib
Condition
Cracked
Location
Horizontal 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

RIGHT HORIZONTAL STAB LEADING EDGE PANEL 341B RIB CRACKED AT 105.25. / REMOVED AND REPLACED RIB AT R/H HORIZONTAL STAB. LEADING EDGE PANEL 341B AT 105.25 IAW B737 DWG 186A1304 REV.- AND SRM 51-40-02-0G-0. P/N 2 TAG# 186A1304-2 TAG# WN4012

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