SDR DALA2021043002485

Service difficulty report · Access Panel · Boeing 737932ER

Difficulty date: April 27, 2021
Submitted: April 30, 2021
Operation: Air carrier
Aircraft: N840DN
Make and model: Boeing 737932ER
Aircraft serial: 31951
Aircraft time: 19,121 hours, 7,250 cycles
System (JASC): 5730 · Wing, Plate/Skin
Part: Access Panel
Condition: Corroded
Location: Lt Wing
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

(LOG 1793582) DURING INSPECTION FOUND FRETTING CORROSION ON PERIMETER CUT OUT OF LH FUEL ACCESS TANK NUMBERS 531BB, 532AB, 532CB, 532DB, 532EB, 532FB, 532GB AT LEFT WING. FRETTING CORROSION ON PERIMETER CUT OUT OF LH FUEL ACCESS TANK NUMBERS 531BB, 532AB, 532CB, 532DB, 532EB, 532FB, 532GB AT LH WING WAS REMOVED PER B-737-900ER SRM 51-10-02-0G PAR. 15. AND 57-20-01 REPAIR 1.