SDR SWAA2021011837212

Service difficulty report · Strap · Boeing 7377BD

Difficulty date: December 15, 2020
Submitted: January 18, 2021
Operation: Air carrier
Aircraft: N7715E
Make and model: Boeing 7377BD
Aircraft serial: 33921
Aircraft time: 51,070 hours, 26,608 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Strap
Part number: 146A7500
Condition: Corroded
Location: Aft Cargo
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

CORROSION, AFT CARGO COMPARTMENT BILGE FLOOR SUPPORT STRAP AT STA 727D+5; LBL 17 TO RBL 17 AND WL 153.5. FOUND EXFOLIETER CORROSION ON FLOOR SUPPORT STRAP AT STA 727D+5 OUT OF LIMITS, PER SRM 53-00-53-1A-2. INSTALLED NEW SUPPORT STRAP AT STA 727D+5, AS PER REF B737 SRM 51-40-02-0G-0 AND DWG 146A7500.

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