SDR SWAA2025063083536

Service difficulty report · Service Panel · Boeing 737752

Difficulty date: June 20, 2025
Submitted: June 30, 2025
Operation: Air carrier
Aircraft: N7835A
Make and model: Boeing 737752
Aircraft serial: 34294
Aircraft time: 64,328 hours, 34,217 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: Service Panel
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

POSSIBLE CORROSION AT STA 850 AT THE WASTE TANK SERVICE PANEL ALONG STRINGER 25L.<[01] REMOVED AND REPLACED WASTE TANK SERVICE PAN ASSY IAW B737 SRM 51-40-02 AND BOEING DWG#DWG 146A7400-16#B ID:22;[02] 02 - INSPECTED PER B737 SRM 51-40-02 AND BOEING DWG# 146A7400-16#B.;[03] 02 -RII INSPECTED PER B737 SRM 51-40-02 AND BOEING DWG# 146A7400-16#B.;[04] 02 - INSPECTED PER [SRM 51-40-02-0G-0-A00729 (GENERAL - FASTENER INSTALLATION AND REMOVAL - AIRFRAME - PERMANENT)]