SDR DALA2025030501714

Service difficulty report · Cusp Web · Boeing 717200

Difficulty date: March 5, 2025
Submitted: March 5, 2025
Operation: Air carrier
Aircraft: N998AT
Make and model: Boeing 717200
Aircraft serial: 55142
Aircraft time: 58,258 hours, 41,894 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
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 OUT OF LIMITS, IN REF TO NRC 0642. CORROSION ON RH CUSP WEB STA Y=262-270, ORIGINAL THICKNESS OF 0.020 IN AND MINIMUM REMAINING THICKNESS IS 0.010 IN, PER B717-200 SRM 53-00-55-1A-1 PROCEDURE 1 ALLOWABLE DAMAGE 1 PAR 4. A. FIG 101. SUMMARY OF NRC 00829: CORROSION LEVEL 2. THE RH CUSP WEB STA Y=262-270 WAS REPAIRED PER B717-200 SRM 53-00-55-2R-4. FIG. 215. (LP #0841398)

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