Service difficulty report · None · Boeing 737*

Difficulty date
September 29, 2021
Submitted
November 9, 2021
Operation
Air carrier
Aircraft
N783SW
Make and model
Boeing 737*
Aircraft serial
29809
Aircraft time
68,060 hours, 40,258 cycles
Part
None
Condition
Corroded
Location
L/H Vert. 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

CORROSION >>>>>>>VERTICAL FIN FRONT SPAR L/H FITTING LUG HAVE SIGN OF PITTI CORROSION AT INNER BORE. ; / [01] REMOVED CORROSION ON VERTICAL FIN FRONT SPAR L/H FITTING LUG ; PER REF. 737 SRM 51-10-02-0G-0; BY REAMING HOLE TO FINAL SIZE ; 1.040;( ON VERTICAL); [02] VERIFIED STEP 1.; [03] PREVIOUS HOLE SIZE ENTERED IN ERROR; ACTUAL FINAL HOLE SIZE IS 1.015'; CALIPER B/C #163379-A; DUE DATE 17JUL22; [04] ALL WORK WAS ACCOMPLISHED ON TASKCARD TTG8Q006V6S5.; [05] VERIFIED STEP 3; [06] VERIFIED STEP 4