Service difficulty report · Intercostal · Boeing 737900

Difficulty date
March 4, 2022
Submitted
March 7, 2022
Operation
Air carrier
Aircraft
N38403
Make and model
Boeing 737900
Aircraft serial
30120
Aircraft time
56,942 hours, 23,534 cycles
Part
Intercostal
Part number
147A56601
Condition
Corroded
Location
Sta 947.5
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

CORROSION ON TRACK SUPPORT BETWEEN STA 947.5 967.5 OUTBOARD LEFT HAND SIDE IN A CABIN. MARKED DOT 211. AAR RFD NR 99920549 REMOVED AND REPLACED TRACK SUPPORT P/N 147A600-1 ON OUTBOARD L/H SIDE IN CABIN, WITH NEW TRACK SUPPORT P/N: 58-5300-3-0039, IAW B 737 SRM 51-40-02 STEP 7 (WORK ACCOMPLISHED BY V934437 AND V91483 7).