SDR DALA2022030701480

Service difficulty report · None · Boeing 7572Q8

Difficulty date: March 4, 2022
Submitted: March 7, 2022
Operation: Air carrier
Aircraft: N702TW
Make and model: Boeing 7572Q8
Aircraft serial: 28162
Aircraft time: 89,830 hours, 23,826 cycles
System (JASC): 5330 · Fuselage Main, Plate/Skin
Part: None
Condition: None
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

SHIP 6801 FOUND CORROSION AT MID-LAV DUMP VALVE CUT-OUT. CORRECTIVE ACTION: REMOVED MID LAV DUMP VALVE ASSY TO ACCESS CORRODED AREA PER B757 AMM 38-32 (562634). C/W COMPLETION OF STEPS 1,2,3,4,5 AND 6 IAW PRI 597635-14 REV 1. TRANSFERRED TO NON-ROUTINE #1. SUMMARY OF NON-ROUTINE #1. PERFORMED ALL STEPS OF ER/A 597635-14 REV ORIGINAL. ALL RII STEPS COMPLETE. OPERATIONAL AND LEAK CHECK OF MID LAV SYSTEM COMPLETE. (8491843)

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