SDR SWAA2022020790061

Service difficulty report · Angle · Boeing 73776N

Difficulty date: November 30, 2017
Submitted: February 7, 2022
Operation: Air carrier
Aircraft: N7722B
Make and model: Boeing 73776N
Aircraft serial: 32668
Aircraft time: 39,013 hours, 18,586 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Angle
Condition: Corroded
Location: Aft Cargo Compt
Stage of operation: IN
How discovered: 9
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

AFT CARGO BAY STA 887 TO STA947 RBL22; CORROSION ON UPPER SURFACE OF STRUCTURE. / REMOVED CORRSION AT Z-ANGLE STA 867-947 RBL 22' 'OUT OF LIMITS' ORIGINAL MATERIAL .040; REMAINING .033' LOSS .007 REMOVED 17% MAX ALLOWABLE 10% AND REMOVED; INSTALLED NEW Z-ANGLE FROM STA: 867-947 RBL-22 APPLIED ALODINE; PRIMER; CIC AT AREA IAW B737-700 SRM 51-40-02-0G-0; 93-00-53-1A-2; 51-40-05-0G-0; 93-70-53-01-2; AMM 51-21-72-370-804; 51-21-41-370-803; 51-21-91-620-802 TAG:A71906

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