Service difficulty report · Web · Boeing 7377H4

Difficulty date
February 18, 2021
Submitted
March 19, 2021
Operation
Air carrier
Aircraft
N436WN
Make and model
Boeing 7377H4
Aircraft serial
32456
Aircraft time
60,477 hours, 35,616 cycles
Part
Web
Condition
Corroded
Location
R2 Door
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

COROSION R-2 DOOR INNER WEB STRUCTURE FROM STA # 947 TO STA # 1000 FROM WL 208.10 RBL-55 SPOTS OF CORROSION. DOT # 208-14 / REMOVED CORROSION AT R-2 DOOR INNER WEB STRUCTURE FROM STA #947 TO STA #1000 WL 208.10 RBL-55 IAW B737-700 SRM 51-10-02-0G-0. EVALUATED DAMAGE ORIGINAL MAT 0.08'; MATERIAL REMOVED 0.015'; MATERIAL REMAINING 0.065 MAXIMUM MATERIAL ALLOWED TO BE REMOVED 0.008 FOUND TO BE OUT OF LIMITS IAW B737-700 SRM 53-70-15-1A-1; FIG 103; C-C. REMOVED; REPLACED; LOCATED AND DRILLED; AND INSTALLED NEW R-2 DOOR INNER CHORD IAW B737-700 SRM 51-40-02-0G-0 AND SRM 51-40-05-0G-0. MATERIAL USED: 147A8540-8; PO #1684224; BOEING DWG DOCUMENT #147A8501.

More about the Boeing 737-7H4