SDR SWAA2023030695253

Service difficulty report · Web · Boeing 7377H4

Difficulty date: January 25, 2023
Submitted: March 6, 2023
Operation: Air carrier
Aircraft: N955WN
Make and model: Boeing 7377H4
Aircraft serial: 36671
Aircraft time: 38,739 hours, 23,607 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Web
Condition: Corroded
Location: Zn 100 Fus Lower
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 ON 1016 WEB RBL 4 BS 1016+13; RBL 19 BS 1016+10.5.<[01] CORROSION ON BS 1016 SHEAR WEB AT RBL 4 AND RBL 19 FOUND TO BE OUT OF LIMITS DUE TO NO ALLOWABLE LIMITS GIVEN IN THE SRM;[02] BS 1016 SHEAR WEB BL 0 TO RBL 51 TO BE REPLACED ON CARD# TTG8QOOHFM3P;[03] TASK CARD COMPLETE;[04] VERIFIED CORRECTIVE ACTION ITEM 1-2; MEASUREMENT FIELDS NOT COMPLETED BY AMT.;[05] UPDATED MEASUREMENT TABLE. FAULT COMPLETE;[06] VERIFIED MEASUREMENT TABLE; INSPECTION COMPLETE

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