SDR CALA2025111111104

Service difficulty report · Fuel Tank · Boeing 757224

Difficulty date: November 10, 2025
Submitted: November 11, 2025
Operation: Air carrier
Aircraft: N17128
Make and model: Boeing 757224
Aircraft serial: 27567
Aircraft time: 98,445 hours, 21,589 cycles
System (JASC): 2810 · Fuel Storage
Part: Fuel Tank
Condition: Corroded
Location: Zone 100
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

DURKING OK TO INSTALL OF FLOOR PANEL, FOUND BETWEEN BS 984 - 996 BELOW ACCESS PANEL 242BF, EXFOLIATION IN THE LOWER SURFACE. REF NRC 135215. REMOVED CORROSION ON UPPER SURFACE OF FUEL TANK SKIN BETWEEN BS 989 - 996 IAW SRM 51-10-02, SRM 57-10-01, REPAIR APB-1, STEP 4F. AREA IS WITHIN LIMITS IAW SRM 57-10-01, TABLE 203, ORIG THICKNESS 0.185" L=7" W=5" D=0.010". T95868/T95619.