SDR FDEA202602050136

Service difficulty report · Gearbox · Airbus A300B4622R

Difficulty date: February 5, 2026
Submitted: February 6, 2026
Operation: Air carrier
Aircraft: N748FD
Make and model: Airbus A300B4622R
Aircraft serial: 633
Aircraft time: 47,600 hours, 20,413 cycles
Engine: Pwa PW4158
Engine time: 37,980 hours, 4,404 cycles
System (JASC): 7830 · Engine Thrust Reverser
Part: Gearbox
Part number: 32725641
Part serial: 682
Condition: Failed
Location: Zone 400
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

ON DEPARTURE, NR 1 ENG REV UNLOCK. RAN QRH, DECLARED EMERGENCY AND RETURNED TO ORF WITHOUT INCIDENT. AMM 78-31-35-04, AMM 78-32-11-05 IAW MOCC REQ (MTSI#78-31/9965) REPLACE ENG 1 SPLITTER GEARBOX. R & R ENG 1 SPLITTER GEARBOX. OPS CK OK. R & R SPLITTER AND PRSOV.

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