Service difficulty report · Cusp Web · Boeing 717200

Difficulty date
February 20, 2025
Submitted
February 20, 2025
Operation
Air carrier
Aircraft
N955AT
Make and model
Boeing 717200
Aircraft serial
55017
Aircraft time
63,743 hours, 45,686 cycles
Part
Cusp Web
Condition
Corroded
Location
Zone 200
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

CORROSION ON CUSP WEB, REWORKED AREAS AT X=58 STA 866 AND STA 840-847 WAS FOUND OUT OF LIMITS WITH MINIMUM REMAINING THICKNESS OF 0.010IN PER B717 SRM 53-00-55-1A PROCEDURE 1 ALLOWABLE DAMAGE 1 PAR 4.C. FIG 101. SUMMARY OF NRC 00531: CORROSION LEVEL 2. CUSP WEB AT STA 832 TO STA 851 WAS REPAIRED PER B717-200 SRM 53-00-55-2R PROCEDURE 4 REPAIR 4 FIGURE 209, AND CUSP WEB AT X=58 STA 866 WAS REPAIRED PER B717-200 SRM 53-00-55-2R PROCEDURE 4 REPAIR 4 FIGURE 212. (LP #0819939)

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