Service difficulty report · Intercostal · Boeing 7377BD

Difficulty date
December 12, 2024
Submitted
January 13, 2025
Operation
Air carrier
Aircraft
N7715E
Make and model
Boeing 7377BD
Aircraft serial
33921
Aircraft time
62,755 hours, 33,831 cycles
Part
Intercostal
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 INTERCOSTAL AT MAIN EBAY BS312 - BS323 LBL3 WL50. MARKED<[01] REMOVED AND REPLACED NEW INTERCOSTAL ASSY ON BS312 TO BS323 LBL3 IAW SRM 51-40-02; DWG 141A0650 ID:0004 REV: E AND DWG 141A0650 ID: 0009 REV: D;[02] VERIFIED ALL STEPS; CORRECTION ACTION ITEM 1; MEASUREMENT FIELD COMPLETE; CARD COMPLETE.

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