Service difficulty report · Rib · Boeing 7377H4

Difficulty date
April 9, 2020
Submitted
May 1, 2020
Operation
Air carrier
Aircraft
N475WN
Make and model
Boeing 7377H4
Aircraft serial
32474
Aircraft time
54,947 hours, 32,366 cycles
Part
Rib
Condition
Cracked
Location
Rt Horiz Stab
Stage of operation
IN
How discovered
V
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

T HORIZONTAL STABILIZER L/E RIB NUMBER 9 IS RACKED BY THE FASTENER HOLE AS MARKED. DOT 2-035. / REMOVED AND REPLACED DAMAGED RIB ON R/H HORIZONTAL STABILIZER L/E RIB #9 STA 151.75' (P/N 186A1401-2) PER REF B737 SRM 51-40-02-0G-0 AND PL186A1308.

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