Service difficulty report · Rib · Boeing 7377H4

Difficulty date
November 5, 2021
Submitted
December 6, 2021
Operation
Air carrier
Aircraft
N206WN
Make and model
Boeing 7377H4
Aircraft serial
34011
Aircraft time
52,876 hours, 31,083 cycles
Part
Rib
Condition
Cracked
Location
L/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

LEFT HAND HORIZONTAL STABILIZER INSPAR RIB; AT STABILIZER STATION 120.30; 3RD VERTICAL STIFFENER IS CRACKED. ; / [01] CUT AND REMOVED DAMAGE FROM 3RD VERTICAL STIFFENER AND WEB ON R/H HORIZONTAL STAB. RIB AT STAB. STA. 120.30 IAW SRM 55-10-09-2R-4.;[06] FABRICATED REAIR'T' FROM 60-5872#7075T76511;.063';LOT#1463116-1; REPAIR ANGLE FROM BAC1490-2793#7075T62;.063';LOT#1464923-1; SHIMS FROM 7075T6;.063';LOT#1351319-2 IAW SRM55-10-09-2R-4;PARA 4.; [07] VERIFIED CORRECTIVE ACTION 6; [08] PERFORMED GVI IAW SRM 55-10-09-2R-4 PARA E. NO FURTHER DAMAGE NOTED; [09] APPLIED CHEMICAL CONVERSION COATING AND PRIMER TO REPAIR PARTS IAW SRM 55-10-09-2R-4 PARA. 4.; [10] VERIFIED CHEMICAL CONVERSION COATING AND PRIMER APPLIED TO

More about the Boeing 737-7H4