SDR IPXA2025020343798

Service difficulty report · Tee Fitting · Boeing 75724APF

Difficulty date: January 11, 2025
Submitted: February 3, 2025
Operation: Air carrier
Aircraft: N401UP
Make and model: Boeing 75724APF
Aircraft serial: 23723
Aircraft time: 39,628 hours, 26,940 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Tee Fitting
Part number: 149N7559
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

LOWER FUSELAGE STRUCTURE, T-CHORD AT STA 1020-1040, LBL 0, HAS CORROSION. VERIFIED INSTALLATION OF NEW T-CHORD AT STA 1020-1040 RBL 0. P/N BACB30NX8K12, BATCH 0004260079, QUANTITY 1EA. COLLAR P/N HL79-8, BATCH 0004088263, QUANTITY 1EA. RIVETS P/N MS20470AD6-6, BATCH 0004132663, QUANTITY 3EA. IAW SRM 51-40-02-0G.

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