SDR DALA2025031001836

Service difficulty report · Doubler · Boeing 737932ER

Difficulty date: March 5, 2025
Submitted: March 10, 2025
Operation: Air carrier
Aircraft: N859DN
Make and model: Boeing 737932ER
Aircraft serial: 31970
Aircraft time: 28,398 hours, 10,839 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Doubler
Condition: Corroded
Location: Zone 100
Stage of operation: IN
How discovered: O
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

(LOG 0843102) CORROSION ON DOUBLER AT FCB, BS500C+12 BL0 WL149. REMOVED, FABRICATED A NEW DOUBLER (NUTPLATE RETAINER ASSY) OUT OF 2024-T3 CLAD 0.050" LOT #1320308-1 PER GO GO DWG: NO: P20196 REV.C. INSTALLED NEW DOUBLER (NUTPLATE RETAINER ASSY) PER GOGO DWG. NO. P18087-21706.