Service difficulty report · Rib · Boeing 7377L9

Difficulty date
October 29, 2021
Submitted
November 29, 2021
Operation
Air carrier
Aircraft
N7836A
Make and model
Boeing 7377L9
Aircraft serial
28010
Aircraft time
64,975 hours, 29,174 cycles
Part
Rib
Condition
Cracked
Location
R/H Horiz. 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

CRACK FRONT SPAR INSPAR RIB STAB STA 101.90 LOCATED AT 38 INCHES RT HORIZONTAL STAB. PERFORMED PERMANENT REPAIR LOC. ON INSPAR RIB STAB STA 101.90; AT 38 INCHES FROM FRONT WEB RT HORIZONTAL STABILIZER. I.A.W B737-700 SRM 51-40-02 AND SRM 55-10-09-2R-4 REPAIR 4; ITEM 4; FIGURE 202;SHEET 1. MATERIAL USED. ANGLE P/N: BAC1490-2738; P/O: 2021-185455; PROFILE P/N: BAC1505-101208; P/O: 2021-187268; SHEET P/N: 7075-T6 0.010; P/O: 2021-552973.

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