Service difficulty report · Skin · Boeing 737824

Difficulty date
June 26, 2021
Submitted
June 28, 2021
Operation
Air carrier
Aircraft
N33209
Make and model
Boeing 737824
Aircraft serial
30581
Aircraft time
64,965 hours, 23,425 cycles
Part
Skin
Part number
2024T3
Condition
Corroded
Location
Toilet Exhaust
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

TIOLET EXHAUST VENT HAS COROSION AROUND OPENING. REMOVED VACUUM WASTE VENT NOZZLE ASSY REF 53-70-01-2R-3. REMOVED CORROSION AREA FOUND TO BE OUT OF LIMIT REF SRM 53-00-01-1A-1 AD1. ACCOMPLISHED STEPS 4.A,B, AND D OF SRM 53-70-2R-3 REV. 72 REPAIR 3. AND ECRA 5330-06843. SRM 53-70-2R-3 REV 72 REPAIR 3 STEP 4.E INSP REQUIRED FOR HFEC ON CUTOUT EDGE PER ECRA 5330-06843 AND DAMAGED FOUND REF. NDT PT 6 51-00-00 PROC 4, 16, AND 23 AND REF SOPM 20-20-02. C/W SRM 53-70-01-2R-3 REPAIR 3 STEPS 4.E THRU 4.J. NO CRACKS OR PERFORMED STEP 4.F OF SRM 53-70-2R-3 REV 72. REF ECRA 5330-06843. AMM 20-60-07-913-801. PERFORMED EWIS OF REPAIR AREA BEFORE ANY WORK ACCOMPLISHED PER VERIFIED -1 DOUBLER MATERIAL AS .063-2024T3 P.O 7180317 REF SRM 53-70-01-2R-3 REPAIR 3 & ECRA 5330-06843. REF SRM 53-70-01-2R-3 REPAIR 3 & ECRA 5330-06843.